Appendix D Seed Mixes Used for Revegetation

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APPENDIX D Seed Mixes Used for Revegetation

Mileposts State County Spread Mix Name Common Name Scientific Name 48-59 Utah Rich Spread 1A Basin Big Sagebrush (UT) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 48-59 Utah Rich Spread 1A Basin Big Sagebrush (UT) Basin big sagebrush (local) Artemisia tridentata 48-59 Utah Rich Spread 1A Basin Big Sagebrush (UT) Basin wildrye (Continental or Trailhead) Leymus cinereus 48-59 Utah Rich Spread 1A Basin Big Sagebrush (UT) Canby bluegrass (Canbar) Poa canbyi 48-59 Utah Rich Spread 1A Basin Big Sagebrush (UT) Indian ricegrass (Rimrock) Achnatherum hymenoides 48-59 Utah Rich Spread 1A Basin Big Sagebrush (UT) Western wheatgrass (Rosana) Pascopyrum smithii 48-59 Utah Rich Spread 1A Basin Big Sagebrush (UT) Winterfat Krascheninnikovia lanata 48-59 Utah Rich Spread 1A Basin Big Sagebrush (UT) blue flax (Maple grove) Linum lewisii 48-59 Utah Rich Spread 1A Basin Big Sagebrush (UT) Yarrow Achillea millefolium 48-59 Utah Rich Spread 1A Basin Big Sagebrush (UT) Scarlet globemallow Sphaeralcea coccinea 61–64 Utah Rich Spread 1A Black Sagebrush (UT) Indian ricegrass (Rimrock) Achnatherum hymenoides 61–64 Utah Rich Spread 1A Black Sagebrush (UT) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 61–64 Utah Rich Spread 1A Black Sagebrush (UT) Black sagebrush (local) Artemisia nova 61–64 Utah Rich Spread 1A Black Sagebrush (UT) Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 61–64 Utah Rich Spread 1A Black Sagebrush (UT) Galleta grass (Viva Florets) Pleuraphis jamesii 61–64 Utah Rich Spread 1A Black Sagebrush (UT) Shadscale Atriplex confertifolia 61–64 Utah Rich Spread 1A Black Sagebrush (UT) Yarrow Achillea millefolium 27-41, 46-48 Wyoming Uinta Spread 1A Mountain Big Sagebrush (WY) Bluebunch wheatgrass (Goldar) Pseudoroegneria spicata 27-41, 46-48 Wyoming Uinta Spread 1A Mountain Big Sagebrush (WY) Basin wildrye (Magnar) Leymus cinereus 27-41, 46-48 Wyoming Uinta Spread 1A Mountain Big Sagebrush (WY) Indian Ricegrass (Nezpar) Oryzopsis hymenoides 27-41, 46-48 Wyoming Uinta Spread 1A Mountain Big Sagebrush (WY) Mountain big sagebrush (local) Artemisia tridentata 27-41, 46-48 Wyoming Uinta Spread 1A Mountain Big Sagebrush (WY) Needle and thread Hesperostipa comata 27-41, 46-48 Wyoming Uinta Spread 1A Mountain Big Sagebrush (WY) Fourwing saltbush Atriplex canescens 27-41, 46-48 Wyoming Uinta Spread 1A Mountain Big Sagebrush (WY) Thickspike wheatgrass (Critana) Elymus lanceolatus 27-41, 46-48 Wyoming Uinta Spread 1A Mountain Big Sagebrush (WY) Western wheatgrass (Rosana) Pascopyrum smithii 27-41, 46-48 Wyoming Uinta Spread 1A Mountain Big Sagebrush (WY) Scarlet globemallow Sphaeralcea coccinea 27-41, 46-48 Wyoming Uinta Spread 1A Mountain Big Sagebrush (WY) Winterfat Krascheninnikovia lanata 27-41, 46-48 Wyoming Uinta Spread 1A Mountain Big Sagebrush (WY) blue flax Linum perenne 27-41, 46-48 Wyoming Uinta Spread 1A Mountain Big Sagebrush (WY) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 0-10, 13-20, 24-27, 41-46 Wyoming Lincoln/Uinta Spread 1A Sagebrush steppe (WY) Bluebunch wheatgrass (Goldar) Pseudoroegneria spicata 0-10, 13-20, 24-27, 41-46 Wyoming Lincoln/Uinta Spread 1A Sagebrush steppe (WY) Basin wildrye (Magnar) Leymus cinereus 0-10, 13-20, 24-27, 41-46 Wyoming Lincoln/Uinta Spread 1A Sagebrush steppe (WY) Indian Ricegrass (Nezpar) Oryzopsis hymenoides 0-10, 13-20, 24-27, 41-46 Wyoming Lincoln/Uinta Spread 1A Sagebrush steppe (WY) Needle and thread Hesperostipa comata 0-10, 13-20, 24-27, 41-46 Wyoming Lincoln/Uinta Spread 1A Sagebrush steppe (WY) Wyoming big sagebrush (local) Artemisia tridentata 0-10, 13-20, 24-27, 41-46 Wyoming Lincoln/Uinta Spread 1A Sagebrush steppe (WY) Fourwing saltbush Atriplex canescens 0-10, 13-20, 24-27, 41-46 Wyoming Lincoln/Uinta Spread 1A Sagebrush steppe (WY) Thickspike wheatgrass (Critana) Elymus lanceolatus 0-10, 13-20, 24-27, 41-46 Wyoming Lincoln/Uinta Spread 1A Sagebrush steppe (WY) Western wheatgrass (Rosana) Pascopyrum smithii 0-10, 13-20, 24-27, 41-46 Wyoming Lincoln/Uinta Spread 1A Sagebrush steppe (WY) Scarlet globemallow Sphaeralcea coccinea 0-10, 13-20, 24-27, 41-46 Wyoming Lincoln/Uinta Spread 1A Sagebrush steppe (WY) Winterfat Krascheninnikovia lanata 0-10, 13-20, 24-27, 41-46 Wyoming Lincoln/Uinta Spread 1A Sagebrush steppe (WY) blue flax Linum perenne 0-10, 13-20, 24-27, 41-46 Wyoming Lincoln/Uinta Spread 1A Sagebrush steppe (WY) Yarrow Achillea millefolium 10–13, 20–24 Wyoming Lincoln/Uinta Spread 1A Salt-desert Shrub (WY) Fourwing saltbush Atriplex canescens 10–13, 20–24 Wyoming Lincoln/Uinta Spread 1A Salt-desert Shrub (WY) Indian Ricegrass (Nezpar) Oryzopsis hymenoides 10–13, 20–24 Wyoming Lincoln/Uinta Spread 1A Salt-desert Shrub (WY) Western wheatgrass (Rosana) Pascopyrum smithii 10–13, 20–24 Wyoming Lincoln/Uinta Spread 1A Salt-desert Shrub (WY) Gardners saltbush Atriplex gardneri 10–13, 20–24 Wyoming Lincoln/Uinta Spread 1A Salt-desert Shrub (WY) Slender wheatgrass Elymus trachycaulus 10–13, 20–24 Wyoming Lincoln/Uinta Spread 1A Salt-desert Shrub (WY) Thickspike wheatgrass (Critana) Elymus lanceolatus 10–13, 20–24 Wyoming Lincoln/Uinta Spread 1A Salt-desert Shrub (WY) Winterfat Krascheninnikovia lanata 10–13, 20–24 Wyoming Lincoln/Uinta Spread 1A Salt-desert Shrub (WY) Scarlet globemallow Sphaeralcea coccinea 10–13, 20–24 Wyoming Lincoln/Uinta Spread 1A Salt-desert Shrub (WY) Yarrow Achillea millefolium 1-48b Wyoming Lincoln/Uinta Spread 1A Western Wyoming Range (WY) Triticale sterile Triticosecale sp. 1-48b Wyoming Lincoln/Uinta Spread 1A Western Wyoming Range (WY) Indian ricegrass (local) Oryzopsis hymenoides 1-48b Wyoming Lincoln/Uinta Spread 1A Western Wyoming Range (WY) Thickspike wheatgrass Elymus lanceolatus 1-48b Wyoming Lincoln/Uinta Spread 1A Western Wyoming Range (WY) Western wheatgrass Pascopyrum smithii 1-48b Wyoming Lincoln/Uinta Spread 1A Western Wyoming Range (WY) Fourwing saltbush Atriplex canescens 1-48b Wyoming Lincoln/Uinta Spread 1A Western Wyoming Range (WY) Slender wheatgrass Elymus trachycaulus 1-48b Wyoming Lincoln/Uinta Spread 1A Western Wyoming Range (WY) Gardners saltbush Atriplex gardneri 1-48b Wyoming Lincoln/Uinta Spread 1A Western Wyoming Range (WY) Trident saltbush Atriplex tridentata

CH2M HILL Confidential 12/20/2012 Page 1 of 11 APPENDIX D Seed Mixes Used for Revegetation

Mileposts State County Spread Mix Name Common Name Scientific Name 1-48b Wyoming Lincoln/Uinta Spread 1A Western Wyoming Range (WY) Winterfat Krascheninnikovia lanata 5.7a Wyoming Lincoln Spread 1A Roberson Creek Blue grama Bouteloua gracilis 5.7a Wyoming Lincoln Spread 1A Roberson Creek Inland saltgrass Distichlis spicata 5.7a Wyoming Lincoln Spread 1A Roberson Creek Thickspike wheatgrass Elymus lanceolatus 5.7a Wyoming Lincoln Spread 1A Roberson Creek Idaho fescue Festuca idahoensis 5.7a Wyoming Lincoln Spread 1A Roberson Creek Sheep fescue Festuca ovina 5.7a Wyoming Lincoln Spread 1A Roberson Creek Western wheatgrass Pascopyrum smithii 5.7a Wyoming Lincoln Spread 1A Roberson Creek Bluebunch wheatgrass Pseudoroegneria spicata 5.7a Wyoming Lincoln Spread 1A Roberson Creek Sandberg bluegrass Poa secunda 5.7a Wyoming Lincoln Spread 1A Roberson Creek Alkali sacaton Sporobolus airoides 5.7a Wyoming Lincoln Spread 1A Roberson Creek Sand dropseed Sporobolus cryptandrus 122–124, 128, 143–148, 153–155 Utah Box Elder Spread 1B Basin Big Sagebrush (UT) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 122–124, 128, 143–148, 153–155 Utah Box Elder Spread 1B Basin Big Sagebrush (UT) Basin big sagebrush Artemisia tridentata 122–124, 128, 143–148, 153–155 Utah Box Elder Spread 1B Basin Big Sagebrush (UT) Basin wildrye (Continental or Trailhead) Leymus cinereus 122–124, 128, 143–148, 153–155 Utah Box Elder Spread 1B Basin Big Sagebrush (UT) Canby bluegrass (Canbar) Poa canbyi 122–124, 128, 143–148, 153–155 Utah Box Elder Spread 1B Basin Big Sagebrush (UT) Indian ricegrass (Rimrock) Achnatherum hymenoides 122–124, 128, 143–148, 153–155 Utah Box Elder Spread 1B Basin Big Sagebrush (UT) Western wheatgrass (Rosana) Pascopyrum smithii 122–124, 128, 143–148, 153–155 Utah Box Elder Spread 1B Basin Big Sagebrush (UT) Winterfat Krascheninnikovia lanata 122–124, 128, 143–148, 153–155 Utah Box Elder Spread 1B Basin Big Sagebrush (UT) blue flax (Maple grove) Linum lewisii 122–124, 128, 143–148, 153–155 Utah Box Elder Spread 1B Basin Big Sagebrush (UT) Yarrow Achillea millefolium 122–124, 128, 143–148, 153–155 Utah Box Elder Spread 1B Basin Big Sagebrush (UT) Scarlet globemallow Sphaeralcea coccinea 139.83–143.0 Utah Box Elder Spread 1B Frank Rees Limited Partnership Crested wheatgrass Agropyron cristatum 139.83–143.0 Utah Box Elder Spread 1B Frank Rees Limited Partnership Intermediate wheatgrass (OAHE) Thinopyrum intermedium 139.83–143.0 Utah Box Elder Spread 1B Frank Rees Limited Partnership Siberian wheatgrass Agropyron fragile 139.83–143.0 Utah Box Elder Spread 1B Frank Rees Limited Partnership Forage kochia Bassia prostrata 139.83–143.0 Utah Box Elder Spread 1B Frank Rees Limited Partnership Western wheatgrass Pascopyrum smithii 111–112, 116–119, 126, 171–173 Utah Box Elder Spread 1B Greasewood Basin wildrye (Continential or trailhead) Leymus cinereus 111–112, 116–119, 126, 171–173 Utah Box Elder Spread 1B Greasewood Indian ricegrass (Rimrock) Achnatherum hymenoides 111–112, 116–119, 126, 171–173 Utah Box Elder Spread 1B Greasewood Intermediate wheatgrass (OAHE) Thinopyrum intermedium 111–112, 116–119, 126, 171–173 Utah Box Elder Spread 1B Greasewood Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 111–112, 116–119, 126, 171–173 Utah Box Elder Spread 1B Greasewood Galleta grass (Viva florets) Pleuraphis jamesii 111–112, 116–119, 126, 171–173 Utah Box Elder Spread 1B Greasewood Greasewood Sarcobatus vermiculatus 111–112, 116–119, 126, 171–173 Utah Box Elder Spread 1B Greasewood Winterfat Krascheninnikovia lanata 113–114, 133–142 Utah Box Elder Spread 1B Mountain Big Sagebrush (UT) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 113–114, 133–142 Utah Box Elder Spread 1B Mountain Big Sagebrush (UT) Bluebunch wheatgrass (Anatone or P7) Pseudoroegneria spicata 113–114, 133–142 Utah Box Elder Spread 1B Mountain Big Sagebrush (UT) Indian Ricegrass (Nezpar) Oryzopsis hymenoides 113–114, 133–142 Utah Box Elder Spread 1B Mountain Big Sagebrush (UT) Mountain big sagebrush Artemisia tridentata 113–114, 133–142 Utah Box Elder Spread 1B Mountain Big Sagebrush (UT) Western wheatgrass (Rosana) Pascopyrum smithii 113–114, 133–142 Utah Box Elder Spread 1B Mountain Big Sagebrush (UT) Little sagebrush (local) Artemisia arbuscula 113–114, 133–142 Utah Box Elder Spread 1B Mountain Big Sagebrush (UT) Saskatoon serviceberry Amelanchier alnifolia 113–114, 133–142 Utah Box Elder Spread 1B Mountain Big Sagebrush (UT) blue flax (Maple grove) Linum lewisii 113–114, 133–142 Utah Box Elder Spread 1B Mountain Big Sagebrush (UT) Yarrow (Occidentalis) Achillea millefolium 113–114, 133–142 Utah Box Elder Spread 1B Mountain Big Sagebrush (UT) Mule's ear Wyethia sp. 161–165 Utah Box Elder Spread 1B Russel Boyer et al. Crested wheatgrass Agropyron cristatum 161–165 Utah Box Elder Spread 1B Russel Boyer et al. Intermediate wheatgrass (OAHE) Thinopyrum intermedium 161–165 Utah Box Elder Spread 1B Russel Boyer et al. Siberian wheatgrass Agropyron fragile 161–165 Utah Box Elder Spread 1B Russel Boyer et al. Forage kochia Bassia prostrata 161–165 Utah Box Elder Spread 1B Russel Boyer et al. Western wheatgrass Pascopyrum smithii 149–152, 159–170 Utah Box Elder Spread 1B Shadescale (UT) Indian ricegrass (Rimrock) Achnatherum hymenoides 149–152, 159–170 Utah Box Elder Spread 1B Shadescale (UT) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 149–152, 159–170 Utah Box Elder Spread 1B Shadescale (UT) Needle and thread Hesperostipa comata 149–152, 159–170 Utah Box Elder Spread 1B Shadescale (UT) Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 149–152, 159–170 Utah Box Elder Spread 1B Shadescale (UT) Galleta grass (Viva florets) Pleuraphis jamesii 149–152, 159–170 Utah Box Elder Spread 1B Shadescale (UT) Shadscale Atriplex confertifolia 149–152, 159–170 Utah Box Elder Spread 1B Shadescale (UT) Winterfat Krascheninnikovia lanata 149–152, 159–170 Utah Box Elder Spread 1B Shadescale (UT) Yarrow (Occidentalis) Achillea millefolium 149–152, 159–170 Utah Box Elder Spread 1B Shadescale (UT) Scarlet globemallow Sphaeralcea coccinea

CH2M HILL Confidential 12/20/2012 Page 2 of 11 APPENDIX D Seed Mixes Used for Revegetation

Mileposts State County Spread Mix Name Common Name Scientific Name 156–158 Utah Box Elder Spread 1B Wyoming big sagebrush (UT) Indian ricegrass (Rimrock) Achnatherum hymenoides 156–158 Utah Box Elder Spread 1B Wyoming big sagebrush (UT) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 156–158 Utah Box Elder Spread 1B Wyoming big sagebrush (UT) Needle and thread Hesperostipa comata 156–158 Utah Box Elder Spread 1B Wyoming big sagebrush (UT) Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 156–158 Utah Box Elder Spread 1B Wyoming big sagebrush (UT) Wyoming big sagebrush (local) Artemisia tridentata 156–158 Utah Box Elder Spread 1B Wyoming big sagebrush (UT) Utah Serviceberry Amelanchier utahensis 156–158 Utah Box Elder Spread 1B Wyoming big sagebrush (UT) blue flax Linum perenne 156–158 Utah Box Elder Spread 1B Wyoming big sagebrush (UT) Yarrow Achillea millefolium 156–158 Utah Box Elder Spread 1B Wyoming big sagebrush (UT) Scarlet globemallow Sphaeralcea coccinea 61–64 Utah Rich Spread 2 Black sagebrush (UT) Indian ricegrass (Rimrock) Achnatherum hymenoides 61–64 Utah Rich Spread 2 Black sagebrush (UT) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 61–64 Utah Rich Spread 2 Black sagebrush (UT) Black sagebrush (local) Artemisia nova 61–64 Utah Rich Spread 2 Black sagebrush (UT) Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 61–64 Utah Rich Spread 2 Black sagebrush (UT) Galleta grass (Viva florets) Pleuraphis jamesii 61–64 Utah Rich Spread 2 Black sagebrush (UT) Shadscale Atriplex confertifolia 61–64 Utah Rich Spread 2 Black sagebrush (UT) Yarrow (Occidentalis) Achillea millefolium 107.4–107.7 Utah Box Elder Spread 2 Blaine Richins Intermediate wheatgrass Thinopyrum intermedium 107.4–107.7 Utah Box Elder Spread 2 Blaine Richins Meadow brome Bromus biebersteinii 107.4–107.7 Utah Box Elder Spread 2 Blaine Richins Orchardgrass Dactylis glomerata 107.4–107.7 Utah Box Elder Spread 2 Blaine Richins Perennial ryegrass Lolium perenne 107.4–107.7 Utah Box Elder Spread 2 Blaine Richins Tall Fescue Schedonorus arundinaceus 109.77–109.94 Utah Box Elder Spread 2 Clark A. Siddoway et al. Meadow brome Bromus biebersteinii 109.77–109.94 Utah Box Elder Spread 2 Clark A. Siddoway et al. Tall Fescue Schedonorus arundinaceus 109.77–109.94 Utah Box Elder Spread 2 Clark A. Siddoway et al. Orchardgrass Dactylis glomerata 109.77–109.94 Utah Box Elder Spread 2 Clark A. Siddoway et al. Perennial ryegrass Lolium perenne 109.77–109.94 Utah Box Elder Spread 2 Clark A. Siddoway et al. White clover Trifolium repens 80.35-83.4 Utah Cache Spread 2 Coldwater Ranch, Inc Intermediate wheatgrass Thinopyrum intermedium 80.35-83.4 Utah Cache Spread 2 Coldwater Ranch, Inc Smooth brome Bromus inermis 80.35-83.4 Utah Cache Spread 2 Coldwater Ranch, Inc Alfalfa Ranger Medicago sp. 80.35-83.4 Utah Cache Spread 2 Coldwater Ranch, Inc Sainfoin Onobrychis viciifolia 80.35-83.4 Utah Cache Spread 2 Coldwater Ranch, Inc Tall Fescue Schedonorus arundinaceus 87.95–91.04 Utah Cache Spread 2 Dee's Inc Intermediate wheatgrass Thinopyrum intermedium 87.95–91.04 Utah Cache Spread 2 Dee's Inc Smooth brome Bromus inermis 87.95–91.04 Utah Cache Spread 2 Dee's Inc Alfalfa Ranger Medicago sp. 87.95–91.04 Utah Cache Spread 2 Dee's Inc Sainfoin Onobrychis viciifolia 87.95–91.04 Utah Cache Spread 2 Dee's Inc Tall Fescue Schedonorus arundinaceus 62-112c Utah Box Elder or Cache Spread 2 Flora Lee Wall Forage kochia Bassia prostrata 62-112c Utah Box Elder or Cache Spread 2 Flora Lee Wall Intermediate wheatgrass (OAHE) Thinopyrum intermedium 62-112c Utah Box Elder or Cache Spread 2 Flora Lee Wall Bluebunch wheatgrass (Anatone or P7) Pseudoregneria spicata 62-112c Utah Box Elder or Cache Spread 2 Flora Lee Wall Indian Ricegrass (Nezpar) Oryzopsis hymenoides 62-112c Utah Box Elder or Cache Spread 2 Flora Lee Wall Mountain big sagebrush Artemisia tridentata 62-112c Utah Box Elder or Cache Spread 2 Flora Lee Wall Western wheatgrass (Rosana) Pascopyrum smithii 62-112c Utah Box Elder or Cache Spread 2 Flora Lee Wall Little sagebrush Artemisia arbuscula 62-112c Utah Box Elder or Cache Spread 2 Flora Lee Wall Saskatoon serviceberry Amelanchier alnifolia 62-112c Utah Box Elder or Cache Spread 2 Flora Lee Wall blue flax (Maple grove) Linum lewisii 62-112c Utah Box Elder or Cache Spread 2 Flora Lee Wall Yarrow (Occidentalis) Achillea millefolium 62-112c Utah Box Elder or Cache Spread 2 Flora Lee Wall Mule's ear Wyethia sp. 103–108 Utah Box Elder Spread 2 Fuel Break Crested wheatgrass Agrophyron cristatum 103–108 Utah Box Elder Spread 2 Fuel Break Siberian wheatgrass Agropyron fraglie 103–108 Utah Box Elder Spread 2 Fuel Break Western wheatgrass Pascopyrum smithii 103–108 Utah Box Elder Spread 2 Fuel Break Forage kochia Bassia prostrata 103–108 Utah Box Elder Spread 2 Fuel Break blue flax Linum perenne 103–108 Utah Box Elder Spread 2 Fuel Break Yarrow Achillea millefolium 62-112c Utah Box Elder or Cache Spread 2 Fuel Break + smooth sumac & chokecherry Crested wheatgrass Agrophyron cristatum 62-112c Utah Box Elder or Cache Spread 2 Fuel Break + smooth sumac & chokecherry Chokecherry Prunus virginiana 62-112c Utah Box Elder or Cache Spread 2 Fuel Break + smooth sumac & chokecherry Siberian wheatgrass Agropyron fraglie

CH2M HILL Confidential 12/20/2012 Page 3 of 11 APPENDIX D Seed Mixes Used for Revegetation

Mileposts State County Spread Mix Name Common Name Scientific Name 62-112c Utah Box Elder or Cache Spread 2 Fuel Break + smooth sumac & chokecherry Smooth sumac Rhus glabra 62-112c Utah Box Elder or Cache Spread 2 Fuel Break + smooth sumac & chokecherry Western wheatgrass Pascopyrum smithii 62-112c Utah Box Elder or Cache Spread 2 Fuel Break + smooth sumac & chokecherry Forage kochia Bassia prostrata 62-112c Utah Box Elder or Cache Spread 2 Fuel Break + smooth sumac & chokecherry blue flax Linum perenne 62-112c Utah Box Elder or Cache Spread 2 Fuel Break + smooth sumac & chokecherry Yarrow Achillea millefolium 111–112 Utah Box Elder Spread 2 Greasewood (UT) Basin wildrye (Continential or trailhead) Leymus cinereus 111–112 Utah Box Elder Spread 2 Greasewood (UT) Indian ricegrass (Rimrock) Achnatherum hymenoides 111–112 Utah Box Elder Spread 2 Greasewood (UT) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 111–112 Utah Box Elder Spread 2 Greasewood (UT) Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 111–112 Utah Box Elder Spread 2 Greasewood (UT) Galleta grass (Viva florets) Pleuraphis jamesii 111–112 Utah Box Elder Spread 2 Greasewood (UT) Greasewood Sarcobatus vermiculatus 111–112 Utah Box Elder Spread 2 Greasewood (UT) Winterfat Krascheninnikovia lanata 65–105 Utah Rich/Cache/Box Elder Spread 2 Mountain Big Sagebrush (UT) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 65–105 Utah Rich/Cache/Box Elder Spread 2 Mountain Big Sagebrush (UT) Bluebunch wheatgrass (Anatone or P7) Pseudoregneria spicata 65–105 Utah Rich/Cache/Box Elder Spread 2 Mountain Big Sagebrush (UT) Indian Ricegrass (Nezpar) Oryzopsis hymenoides 65–105 Utah Rich/Cache/Box Elder Spread 2 Mountain Big Sagebrush (UT) Mountain big sagebrush (local) Artemisia tridentata 65–105 Utah Rich/Cache/Box Elder Spread 2 Mountain Big Sagebrush (UT) Western wheatgrass (Rosana) Pascopyrum smithii 65–105 Utah Rich/Cache/Box Elder Spread 2 Mountain Big Sagebrush (UT) Little sagebrush Artemisia arbuscula 65–105 Utah Rich/Cache/Box Elder Spread 2 Mountain Big Sagebrush (UT) Saskatoon serviceberry Amelanchier alnifolia 65–105 Utah Rich/Cache/Box Elder Spread 2 Mountain Big Sagebrush (UT) blue flax (Maple grove) Linum lewisii 65–105 Utah Rich/Cache/Box Elder Spread 2 Mountain Big Sagebrush (UT) Yarrow (Occidentalis) Achillea millefolium 65–105 Utah Rich/Cache/Box Elder Spread 2 Mountain Big Sagebrush (UT) Mule's ear Wyethia sp. 96.1-100.86 Utah Cache Spread 2 Noel J. Bess Family Trust Pubescent wheatgrass, Luna Agropyron intermedium 96.1-100.86 Utah Cache Spread 2 Noel J. Bess Family Trust Crested wheatgrass (Hycrest) Agrophyron cristatum 96.1-100.86 Utah Cache Spread 2 Noel J. Bess Family Trust Meadow brome (Fleet) Bromus biebersteinii 96.1-100.86 Utah Cache Spread 2 Noel J. Bess Family Trust Sainfoin (Eski) Onobrychis viciifolia 96.1-100.86 Utah Cache Spread 2 Noel J. Bess Family Trust Small burnet (Delar) Sanguisorba minor 75 Utah Cache Spread 2 USFS Mountain brome (Garnet) Bromus marginatus 75 Utah Cache Spread 2 USFS Slender wheatgrass (Pryor) Elymus trachycaulus 75 Utah Cache Spread 2 USFS Thickspike wheatgrass (Bannock) Elymus lanceolatus 75 Utah Cache Spread 2 USFS Mountain Lupine Lupinus monticola 75 Utah Cache Spread 2 USFS blue flax (Maple grove) Linum lewisii 75 Utah Cache Spread 2 USFS Yarrow White Achillea millefolium 108–110 Utah Box Elder Spread 2 Basin Big Sagebrush (UT) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 108–110 Utah Box Elder Spread 2 Basin Big Sagebrush (UT) Basin big sagebrush (local) Artemisia tridentata 108–110 Utah Box Elder Spread 2 Basin Big Sagebrush (UT) Basin wildrye (Continental or Trailhead) Leymus cinereus 108–110 Utah Box Elder Spread 2 Basin Big Sagebrush (UT) Canby bluegrass (Canbar) Poa canbyi 108–110 Utah Box Elder Spread 2 Basin Big Sagebrush (UT) Indian ricegrass (Rimrock) Achnatherum hymenoides 108–110 Utah Box Elder Spread 2 Basin Big Sagebrush (UT) Western wheatgrass (Rosana) Pascopyrum smithii 108–110 Utah Box Elder Spread 2 Basin Big Sagebrush (UT) Winterfat Krascheninnikovia lanata 108–110 Utah Box Elder Spread 2 Basin Big Sagebrush (UT) blue flax (Maple grove) Linum lewisii 108–110 Utah Box Elder Spread 2 Basin Big Sagebrush (UT) Yarrow Achillea millefolium 108–110 Utah Box Elder Spread 2 Basin Big Sagebrush (UT) Scarlet globemallow Sphaeralcea coccinea 265–267, 270, Nevada Elko Spread 3 Black greasewood (NV) Antelope Bitterbrush (local NE NV source) Pushia tridentata 265–267, 270, Nevada Elko Spread 3 Black greasewood (NV) Bluebunch wheatgrass (P-7) Pseudoregneria spicata 265–267, 270, Nevada Elko Spread 3 Black greasewood (NV) Indian ricegrass (Rimrock) Achnatherum hymenoides 265–267, 270, Nevada Elko Spread 3 Black greasewood (NV) Siberian wheatgrass (Vavilov) Agropyron fraglie 265–267, 270, Nevada Elko Spread 3 Black greasewood (NV) Winterfat (local NE NV source) Krascheninnikovia lanata 265–267, 270, Nevada Elko Spread 3 Black greasewood (NV) American vetch Vicia americana 265–267, 270, Nevada Elko Spread 3 Black greasewood (NV) Blue flax (Appar) Linum perenne 265–267, 270, Nevada Elko Spread 3 Black greasewood (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 265–267, 270, Nevada Elko Spread 3 Black greasewood (NV) Black sagebrush (local) Artemisia nova 265–267, 270, Nevada Elko Spread 3 Black greasewood (NV) Wyoming big sagebrush (local) Artemisia tridentata 234-240; 247-249; 257-262; 276-278 Nevada Elko Spread 3 Black sagebrush (NV) Antelope bitterbrush (local NE NV source) Pushia tridentata 234-240; 247-249; 257-262; 276-278 Nevada Elko Spread 3 Black sagebrush (NV) Bluebunch wheatgrass (P-7) Pseudoregneria spicata 234-240; 247-249; 257-262; 276-278 Nevada Elko Spread 3 Black sagebrush (NV) Indian ricegrass (Rimrock) Achnatherum hymenoides 234-240; 247-249; 257-262; 276-278 Nevada Elko Spread 3 Black sagebrush (NV) Siberian wheatgrass (Vavilov) Agropyron fraglie 234-240; 247-249; 257-262; 276-278 Nevada Elko Spread 3 Black sagebrush (NV) Winterfat (local NE NV source) Krascheninnikovia lanata

CH2M HILL Confidential 12/20/2012 Page 4 of 11 APPENDIX D Seed Mixes Used for Revegetation

Mileposts State County Spread Mix Name Common Name Scientific Name 234-240; 247-249; 257-262; 276-278 Nevada Elko Spread 3 Black sagebrush (NV) American vetch Vicia americana 234-240; 247-249; 257-262; 276-278 Nevada Elko Spread 3 Black sagebrush (NV) Blue flax (Appar) Linum perenne 234-240; 247-249; 257-262; 276-278 Nevada Elko Spread 3 Black sagebrush (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 234-240; 247-249; 257-262; 276-278 Nevada Elko Spread 3 Black sagebrush (NV) Black sagebrush (local) Artemisia nova 234-240; 247-249; 257-262; 276-278 Nevada Elko Spread 3 Black sagebrush (NV) Wyoming big sagebrush Artemisia tridentata 234-240; 247-249; 257-262; 276-278 Utah Elko Spread 3 Black sagebrush (UT) Indian ricegrass (Rimrock) Achnatherum hymenoides 234-240; 247-249; 257-262; 276-278 Utah Elko Spread 3 Black sagebrush (UT) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 234-240; 247-249; 257-262; 276-278 Utah Elko Spread 3 Black sagebrush (UT) Black sagebrush (local) Artemisia nova 234-240; 247-249; 257-262; 276-278 Utah Elko Spread 3 Black sagebrush (UT) Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 234-240; 247-249; 257-262; 276-278 Utah Elko Spread 3 Black sagebrush (UT) Galleta grass (Viva florets) Pleuraphis jamesii 234-240; 247-249; 257-262; 276-278 Utah Elko Spread 3 Black sagebrush (UT) Shadscale Atriplex confertifolia 234-240; 247-249; 257-262; 276-278 Utah Elko Spread 3 Black sagebrush (UT) Yarrow (Occidentalis) Achillea millefolium 241–246, 250–256,263, 268–269, Nevada Elko Spread 3 Low precip. Wyoming big sagebrush (NV) Siberian wheatgrass (Vavilov) Agropyron fraglie 271–275, 279–280, 286 241–246, 250–256,263, 268–269, Nevada Elko Spread 3 Low precip. Wyoming big sagebrush (NV) Russian wildrye (Bioziosky) Psathyrostachys juncea 271–275, 279–280, 286 241–246, 250–256,263, 268–269, Nevada Elko Spread 3 Low precip. Wyoming big sagebrush (NV) Fourwing saltbush (local source) Atriplex canescens 271–275, 279–280, 286 241–246, 250–256,263, 268–269, Nevada Elko Spread 3 Low precip. Wyoming big sagebrush (NV) Thickspike wheatgrass (Bannock) Elymus lanceolatus 271–275, 279–280, 286 241–246, 250–256,263, 268–269, Nevada Elko Spread 3 Low precip. Wyoming big sagebrush (NV) Forage kochia (Immigrant) Bassia prostrata 271–275, 279–280, 286 241–246, 250–256,263, 268–269, Nevada Elko Spread 3 Low precip. Wyoming big sagebrush (NV) Blue flax (Appar) Linum perenne 271–275, 279–280, 286 241–246, 250–256,263, 268–269, Nevada Elko Spread 3 Low precip. Wyoming big sagebrush (NV) Gooseberry-leaf globemallow Sphaeralcea grossulariifolia 271–275, 279–280, 286 241–246, 250–256,263, 268–269, Nevada Elko Spread 3 Low precip. Wyoming big sagebrush (NV) Sandberg bluegrass Poa secunda 271–275, 279–280, 286 241–246, 250–256,263, 268–269, Nevada Elko Spread 3 Low precip. Wyoming big sagebrush (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 271–275, 279–280, 286 241–246, 250–256,263, 268–269, Nevada Elko Spread 3 Low precip. Wyoming big sagebrush (NV) Wyoming big sagebrush (local) Artemisia tridentata 271–275, 279–280, 286 281–285, 287–302 Nevada Elko Spread 3 Low sagebrush (NV) Bluebunch wheatgrass (P-7) Pseudoregneria spicata 281–285, 287–302 Nevada Elko Spread 3 Low sagebrush (NV) Antelope bitterbrush (local NE NV source) Pushia tridentata 281–285, 287–302 Nevada Elko Spread 3 Low sagebrush (NV) Arrowleaf balsamroot Balsamorhiza sagittata 281–285, 287–302 Nevada Elko Spread 3 Low sagebrush (NV) Basin wildrye (Magnar) Leymus cinereus 281–285, 287–302 Nevada Elko Spread 3 Low sagebrush (NV) Bottlebrush squirreltail (Sand Hollow or local source) Elymus multisetus 281–285, 287–302 Nevada Elko Spread 3 Low sagebrush (NV) Idaho fescue (Joseph) Festuca idahoensis 281–285, 287–302 Nevada Elko Spread 3 Low sagebrush (NV) Sandberg bluegrass (Mtn Home, ID) Poa secunda 281–285, 287–302 Nevada Elko Spread 3 Low sagebrush (NV) Blue flax (Appar) Linum perenne 281–285, 287–302 Nevada Elko Spread 3 Low sagebrush (NV) Basin big sagebrush (local) Artemisia tridentata 281–285, 287–302 Nevada Elko Spread 3 Low sagebrush (NV) Gray low sagebrush/early low sagebrush Artemisia sp. 281–285, 287–302 Nevada Elko Spread 3 Low sagebrush (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 174–200, 211–214, 222–230 Utah Box Elder Spread 3 Shadscale (UT) Indian ricegrass (Rimrock) Achnatherum hymenoides 174–200, 211–214, 222–230 Utah Box Elder Spread 3 Shadscale (UT) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 174–200, 211–214, 222–230 Utah Box Elder Spread 3 Shadscale (UT) Needle and thread Hesperostipa comata 174–200, 211–214, 222–230 Utah Box Elder Spread 3 Shadscale (UT) Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 174–200, 211–214, 222–230 Utah Box Elder Spread 3 Shadscale (UT) Galleta grass (Viva florets) Pleuraphis jamesii 174–200, 211–214, 222–230 Utah Box Elder Spread 3 Shadscale (UT) Shadscale Atriplex confertifolia 174–200, 211–214, 222–230 Utah Box Elder Spread 3 Shadscale (UT) Winterfat Krascheninnikovia lanata 174–200, 211–214, 222–230 Utah Box Elder Spread 3 Shadscale (UT) Yarrow (Occidentalis) Achillea millefolium 174–200, 211–214, 222–230 Utah Box Elder Spread 3 Shadscale (UT) Scarlet globemallow Sphaeralcea coccinea 264 Nevada Elko Spread 3 Shadscale (NV) Siberian wheatgrass (Vavilov) Agropyron fraglie 264 Nevada Elko Spread 3 Shadscale (NV) Russian wildrye (Bioziosky) Psathyrostachys juncea 264 Nevada Elko Spread 3 Shadscale (NV) Fourwing saltbush (local source) Atriplex canescens 264 Nevada Elko Spread 3 Shadscale (NV) Shadscale (local) Atriplex confertifolia 264 Nevada Elko Spread 3 Shadscale (NV) Forage kochia (Immigrant) Bassia prostrata 264 Nevada Elko Spread 3 Shadscale (NV) Gooseberry-leaf globemallow Sphaeralcea grossulariifolia 178–179, 201–203 Utah Box Elder Spread 3 Wyoming big sagebrush (UT) Indian ricegrass (Rimrock) Achnatherum hymenoides

CH2M HILL Confidential 12/20/2012 Page 5 of 11 APPENDIX D Seed Mixes Used for Revegetation

Mileposts State County Spread Mix Name Common Name Scientific Name 178–179, 201–203 Utah Box Elder Spread 3 Wyoming big sagebrush (UT) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 178–179, 201–203 Utah Box Elder Spread 3 Wyoming big sagebrush (UT) Needle and thread Hesperostipa comata 178–179, 201–203 Utah Box Elder Spread 3 Wyoming big sagebrush (UT) Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 178–179, 201–203 Utah Box Elder Spread 3 Wyoming big sagebrush (UT) Wyoming big sagebrush (local) Artemisia tridentata 178–179, 201–203 Utah Box Elder Spread 3 Wyoming big sagebrush (UT) Utah Serviceberry Amelanchier utahensis 178–179, 201–203 Utah Box Elder Spread 3 Wyoming big sagebrush (UT) blue flax Linum perenne L. 178–179, 201–203 Utah Box Elder Spread 3 Wyoming big sagebrush (UT) Yarrow Achillea millefolium 178–179, 201–203 Utah Box Elder Spread 3 Wyoming big sagebrush (UT) Scarlet globemallow Sphaeralcea coccinea 171–173 Utah Box Elder Spread 3 Greasewood (UT) Basin wildrye (Continential or trailhead) Leymus cinereus 171–173 Utah Box Elder Spread 3 Greasewood (UT) Indian ricegrass (Rimrock) Achnatherum hymenoides 171–173 Utah Box Elder Spread 3 Greasewood (UT) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 171–173 Utah Box Elder Spread 3 Greasewood (UT) Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 171–173 Utah Box Elder Spread 3 Greasewood (UT) Galleta grass (Viva florets) Pleuraphis jamesii 171–173 Utah Box Elder Spread 3 Greasewood (UT) Greasewood Sarcobatus vermiculatus 171–173 Utah Box Elder Spread 3 Greasewood (UT) Winterfat Krascheninnikovia lanata 367–376 Nevada Elko Spread 4 Big sagebrush + bitterbrush (NV) Antelope bitterbrush (local NE NV source) Pushia tridentata 367–376 Nevada Elko Spread 4 Big sagebrush + bitterbrush (NV) Bluebunch wheatgrass (P-7) Pseudoregneria spicata 367–376 Nevada Elko Spread 4 Big sagebrush + bitterbrush (NV) Sainfoin (Eski) Onobrychis viciifolia 367–376 Nevada Elko Spread 4 Big sagebrush + bitterbrush (NV) Bluebunch Snake River wheatgrass (Secar) Elymus wawawaiensis 367–376 Nevada Elko Spread 4 Big sagebrush + bitterbrush (NV) Thickspike wheatgrass (Bannock) Elymus lanceolatus 367–376 Nevada Elko Spread 4 Big sagebrush + bitterbrush (NV) Arrowleaf balsamroot Balsamorhiza sagittata 367–376 Nevada Elko Spread 4 Big sagebrush + bitterbrush (NV) Basin wildrye (Magnar) Leymus cinereus 367–376 Nevada Elko Spread 4 Big sagebrush + bitterbrush (NV) Big bluegrass (Sherman) Poa secunda 367–376 Nevada Elko Spread 4 Big sagebrush + bitterbrush (NV) Blue flax (Appar) Linum perenne 367–376 Nevada Elko Spread 4 Big sagebrush + bitterbrush (NV) Canby bluegrass (Canbar) Poa canbyi 367–376 Nevada Elko Spread 4 Big sagebrush + bitterbrush (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 367–376 Nevada Elko Spread 4 Big sagebrush + bitterbrush (NV) Basin big sagebrush (local) Artemisia tridentata 367–376 Nevada Elko Spread 4 Big sagebrush + bitterbrush (NV) Mountain big sagebrush (local) Artemisia tridentata 367–376 Nevada Elko Spread 4 Big sagebrush + bitterbrush (NV) Wyoming big sagebrush (local) Artemisia tridentata 318-320 Nevada Elko Spread 4 Black sagebrush (NV) Antelope bitterbrush (local NE NV source) Pushia tridentata 318-320 Nevada Elko Spread 4 Black sagebrush (NV) Bluebunch wheatgrass (P-7) Pseudoregneria spicata 318-320 Nevada Elko Spread 4 Black sagebrush (NV) Indian ricegrass (Rimrock) Achnatherum hymenoides 318-320 Nevada Elko Spread 4 Black sagebrush (NV) Siberian wheatgrass (Vavilov) Agropyron fraglie 318-320 Nevada Elko Spread 4 Black sagebrush (NV) Winterfat (local NE NV source) Krascheninnikovia lanata 318-320 Nevada Elko Spread 4 Black sagebrush (NV) American vetch Vicia americana 318-320 Nevada Elko Spread 4 Black sagebrush (NV) Blue flax (Appar) Linum perenne 318-320 Nevada Elko Spread 4 Black sagebrush (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 318-320 Nevada Elko Spread 4 Black sagebrush (NV) Black sagebrush (local) Artemisia nova 318-320 Nevada Elko Spread 4 Black sagebrush (NV) Wyoming big sagebrush Artemisia tridentata 303–317, 321–335 Nevada Elko Spread 4 Low precip. Wyoming big sagebrush (NV) Siberian wheatgrass (Vavilov) Agropyron fraglie 303–317, 321–335 Nevada Elko Spread 4 Low precip. Wyoming big sagebrush (NV) Russian wildrye (Bioziosky) Psathyrostachys juncea 303–317, 321–335 Nevada Elko Spread 4 Low precip. Wyoming big sagebrush (NV) Fourwing saltbush (local source) Atriplex canescens 303–317, 321–335 Nevada Elko Spread 4 Low precip. Wyoming big sagebrush (NV) Thickspike wheatgrass (Bannock) Elymus lanceolatus 303–317, 321–335 Nevada Elko Spread 4 Low precip. Wyoming big sagebrush (NV) Forage kochia (Immigrant) Bassia prostrata 303–317, 321–335 Nevada Elko Spread 4 Low precip. Wyoming big sagebrush (NV) Blue flax (Appar) Linum perenne 303–317, 321–335 Nevada Elko Spread 4 Low precip. Wyoming big sagebrush (NV) Gooseberry-leaf globemallow Sphaeralcea grossulariifolia 303–317, 321–335 Nevada Elko Spread 4 Low precip. Wyoming big sagebrush (NV) Sandberg bluegrass Poa secunda 303–317, 321–335 Nevada Elko Spread 4 Low precip. Wyoming big sagebrush (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 303–317, 321–335 Nevada Elko Spread 4 Low precip. Wyoming big sagebrush (NV) Wyoming big sagebrush (local) Artemisia tridentata 287–302, 336–343,348–366, 377–379 Nevada Elko Spread 4 Low sagebrush (NV) Bluebunch wheatgrass (P-7) Pseudoregneria spicata 287–302, 336–343,348–366, 377–379 Nevada Elko Spread 4 Low sagebrush (NV) Antelope bitterbrush (local NE NV source) Pushia tridentata 287–302, 336–343,348–366, 377–379 Nevada Elko Spread 4 Low sagebrush (NV) Arrowleaf balsamroot Balsamorhiza sagittata 287–302, 336–343,348–366, 377–379 Nevada Elko Spread 4 Low sagebrush (NV) Basin wildrye (Magnar) Leymus cinereus 287–302, 336–343,348–366, 377–379 Nevada Elko Spread 4 Low sagebrush (NV) Bottlebrush squirreltail (Sand Hollow or local source) Elymus multisetus 287–302, 336–343,348–366, 377–379 Nevada Elko Spread 4 Low sagebrush (NV) Idaho fescue (Joseph) Festuca idahoensis 287–302, 336–343,348–366, 377–379 Nevada Elko Spread 4 Low sagebrush (NV) Sandberg bluegrass (Mtn Home, ID) Poa secunda 287–302, 336–343,348–366, 377–379 Nevada Elko Spread 4 Low sagebrush (NV) Blue flax (Appar) Linum perenne 287–302, 336–343,348–366, 377–379 Nevada Elko Spread 4 Low sagebrush (NV) Basin big sagebrush (local) Artemisia tridentata 287–302, 336–343,348–366, 377–379 Nevada Elko Spread 4 Low sagebrush (NV) Gray low sagebrush/early low sagebrush Artemisia sp.

CH2M HILL Confidential 12/20/2012 Page 6 of 11 APPENDIX D Seed Mixes Used for Revegetation

Mileposts State County Spread Mix Name Common Name Scientific Name 287–302, 336–343,348–366, 377–379 Nevada Elko Spread 4 Low sagebrush (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Utah serviceberry Amelanchier utahensis 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Antelope bitterbrush (local NE NV source) Pushia tridentata 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Basin wildrye (Magnar) Leymus cinereus 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Bluebunch wheatgrass (P-7) Pseudoregneria spicata 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Sainfoin (Eski) Onobrychis viciifolia 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Small burnet (Delar) Sanguisorba minor 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Bluebunch Snake River wheatgrass (Secar) Elymus wawawaiensis 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Thickspike wheatgrass (Bannock) Elymus lanceolatus 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Alfalfa (Ladak) Medicago sativa 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Arrowleaf balsamroot Balsamorhiza sagittata 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Penstemon (Palmer) Penstemon palmeri 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Big bluegrass (Sherman) Poa secunda 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Canby bluegrass (Canbar) Poa canbyi 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) White-stemmed rubber rabbitbrush Chrysothamnus nauseosus 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Basin big sagebrush (local) Artmeisia tridentata 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Mountain big sagebrush (local) Artmeisia tridentata 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Mountain Lupine Lupinus monticola 344–345; 347 Nevada Elko Spread 4 Mountain big sagebrush (NV) Wyoming big sagebrush (local) Artmeisia tridentata 435, 490–492 Nevada Humboldt Spread 5 Alkali Sacaton (NV) Basin wildrye (Magnar or Tailhead) Leymus cinereus 435, 490–492 Nevada Humboldt Spread 5 Alkali Sacaton (NV) Inland saltgrass Distichlis spicata 435, 490–492 Nevada Humboldt Spread 5 Alkali Sacaton (NV) Alkali sacaton Sporobolus airoides 387–393 Nevada Elko Spread 5 Big sagebrush + Bitterbrush (NV) Antelope bitterbrush (local NE NV source) Pushia tridentata 387–393 Nevada Elko Spread 5 Big sagebrush + Bitterbrush (NV) Bluebunch wheatgrass (P-7) Pseudoregneria spicata 387–393 Nevada Elko Spread 5 Big sagebrush + Bitterbrush (NV) Sainfoin (Eski) Onobrychis viciifolia 387–393 Nevada Elko Spread 5 Big sagebrush + Bitterbrush (NV) Bluebunch Snake River wheatgrass (Secar) Elymus wawawaiensis 387–393 Nevada Elko Spread 5 Big sagebrush + Bitterbrush (NV) Thickspike wheatgrass (Bannock) Elymus lanceolatus 387–393 Nevada Elko Spread 5 Big sagebrush + Bitterbrush (NV) Arrowleaf balsamroot Balsamorhiza sagittata 387–393 Nevada Elko Spread 5 Big sagebrush + Bitterbrush (NV) Basin wildrye (Magnar) Leymus cinereus 387–393 Nevada Elko Spread 5 Big sagebrush + Bitterbrush (NV) Big bluegrass (Sherman) Poa secunda 387–393 Nevada Elko Spread 5 Big sagebrush + Bitterbrush (NV) Blue flax (Appar) Linum perenne 387–393 Nevada Elko Spread 5 Big sagebrush + Bitterbrush (NV) Canby bluegrass (Canbar) Poa canbyi 387–393 Nevada Elko Spread 5 Big sagebrush + Bitterbrush (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 387–393 Nevada Elko Spread 5 Big sagebrush + Bitterbrush (NV) Basin big sagebrush (local) Artmeisia tridentata 387–393 Nevada Elko Spread 5 Big sagebrush + Bitterbrush (NV) Mountain big sagebrush (local) Artmeisia tridentata 387–393 Nevada Elko Spread 5 Big sagebrush + Bitterbrush (NV) Wyoming big sagebrush (local) Artmeisia tridentata 405–408, 412–413, 454–484,493–502 Nevada Humboldt Spread 5 Black greasewood (NV) Antelope Bitterbrush (local NE NV source) Purshia tridentata 405–408, 412–413, 454–484,493–502 Nevada Humboldt Spread 5 Black greasewood (NV) Bluebunch wheatgrass (P-7) Pseudoregneria spicata 405–408, 412–413, 454–484,493–502 Nevada Humboldt Spread 5 Black greasewood (NV) Indian ricegrass (Rimrock) Achnatherum hymenoides 405–408, 412–413, 454–484,493–502 Nevada Humboldt Spread 5 Black greasewood (NV) Siberian wheatgrass (Vavilov) Agropyron fraglie 405–408, 412–413, 454–484,493–502 Nevada Humboldt Spread 5 Black greasewood (NV) Winterfat (local NE NV source) Krascheninnikovia lanata 405–408, 412–413, 454–484,493–502 Nevada Humboldt Spread 5 Black greasewood (NV) American vetch Vicia americana 405–408, 412–413, 454–484,493–502 Nevada Humboldt Spread 5 Black greasewood (NV) Blue flax (Appar) Linum perenne 405–408, 412–413, 454–484,493–502 Nevada Humboldt Spread 5 Black greasewood (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 405–408, 412–413, 454–484,493–502 Nevada Humboldt Spread 5 Black greasewood (NV) Black sagebrush (local) Artemisia nova 405–408, 412–413, 454–484,493–502 Nevada Humboldt Spread 5 Black greasewood (NV) Wyoming big sagebrush (local) Artmeisia tridentata 397–400, 414–423, 426–429, 438 - 453, Nevada Humboldt/Washoe Spread 5 Fuel break (NV & Surprise) Crested wheatgrass (Hycrest) 503–506, 542-545 Agrophyron cristatum 397–400, 414–423, 426–429, 438 - 453, Nevada Humboldt/Washoe Spread 5 Fuel break (NV & Surprise) Forage kochia 503–506, 542-545 Bassia prostrata 528–530, 485–487 Nevada Humboldt Spread 5 High precip. Wyoming big sagebrush (NV) Basin wildrye (Magnar) Leymus cinereus 528–530, 485–487 Nevada Humboldt Spread 5 High precip. Wyoming big sagebrush (NV) Bluebunch wheatgrass (P-7) Pseudoregneria spicata 528–530, 485–487 Nevada Humboldt Spread 5 High precip. Wyoming big sagebrush (NV) Siberian wheatgrass (Vavilov) Agropyron fraglie 528–530, 485–487 Nevada Humboldt Spread 5 High precip. Wyoming big sagebrush (NV) Thickspike wheatgrass (Bannock) Elymus lanceolatus 528–530, 485–487 Nevada Humboldt Spread 5 High precip. Wyoming big sagebrush (NV) Arrowleaf balsamroot Balsamorhiza sagittata 528–530, 485–487 Nevada Humboldt Spread 5 High precip. Wyoming big sagebrush (NV) Big bluegrass (Sherman) Poa secunda 528–530, 485–487 Nevada Humboldt Spread 5 High precip. Wyoming big sagebrush (NV) Blue flax (Appar) Linum perenne

CH2M HILL Confidential 12/20/2012 Page 7 of 11 APPENDIX D Seed Mixes Used for Revegetation

Mileposts State County Spread Mix Name Common Name Scientific Name 528–530, 485–487 Nevada Humboldt Spread 5 High precip. Wyoming big sagebrush (NV) Gooseberry-leaf globemallow Sphaeralcea grossulariifolia 528–530, 485–487 Nevada Humboldt Spread 5 High precip. Wyoming big sagebrush (NV) Sandberg bluegrass (Mtn Home, ID) Poa secunda 528–530, 485–487 Nevada Humboldt Spread 5 High precip. Wyoming big sagebrush (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 528–530, 485–487 Nevada Humboldt Spread 5 High precip. Wyoming big sagebrush (NV) Basin big sagebrush (local) Artmeisia tridentata 528–530, 485–487 Nevada Humboldt Spread 5 High precip. Wyoming big sagebrush (NV) Wyoming big sagebrush (local) Artmeisia tridentata 507–513 Nevada Humboldt Spread 5 Little sagebrush (NV) Bluebunch Snake River wheatgrass (Secar) Elymus wawawaiensis 507–513 Nevada Humboldt Spread 5 Little sagebrush (NV) Bluebunch wheatgrass (P-7) Pseudoregneria spicata 507–513 Nevada Humboldt Spread 5 Little sagebrush (NV) Alfalfa (Ladak) Medicago sativa 507–513 Nevada Humboldt Spread 5 Little sagebrush (NV) Fourwing saltbush (local source) Atriplex canescens 507–513 Nevada Humboldt Spread 5 Little sagebrush (NV) Blue flax (Appar) Linum perenne 507–513 Nevada Humboldt Spread 5 Little sagebrush (NV) Basin big sagebrush (local) Artmeisia tridentata 507–513 Nevada Humboldt Spread 5 Little sagebrush (NV) Little sagebrush (local) Artemisia arbuscula 507–513 Nevada Humboldt Spread 5 Little sagebrush (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 380–386, 394–397, 423–425 Nevada Elko/Humboldt Spread 5 Low precip. Wyoming big sagebrush (NV) Siberian wheatgrass (Vavilov) Agropyron fraglie 380–386, 394–397, 423–425 Nevada Elko/Humboldt Spread 5 Low precip. Wyoming big sagebrush (NV) Russian wildrye (Bioziosky) Psathyrostachys juncea 380–386, 394–397, 423–425 Nevada Elko/Humboldt Spread 5 Low precip. Wyoming big sagebrush (NV) Fourwing saltbush (local source) Atriplex canescens 380–386, 394–397, 423–425 Nevada Elko/Humboldt Spread 5 Low precip. Wyoming big sagebrush (NV) Thickspike wheatgrass (Bannock) Elymus lanceolatus 380–386, 394–397, 423–425 Nevada Elko/Humboldt Spread 5 Low precip. Wyoming big sagebrush (NV) Forage kochia (Immigrant) Bassia prostrata 380–386, 394–397, 423–425 Nevada Elko/Humboldt Spread 5 Low precip. Wyoming big sagebrush (NV) Blue flax (Appar) Linum perenne 380–386, 394–397, 423–425 Nevada Elko/Humboldt Spread 5 Low precip. Wyoming big sagebrush (NV) Gooseberry-leaf globemallow Sphaeralcea grossulariifolia 380–386, 394–397, 423–425 Nevada Elko/Humboldt Spread 5 Low precip. Wyoming big sagebrush (NV) Sandberg bluegrass Poa secunda 380–386, 394–397, 423–425 Nevada Elko/Humboldt Spread 5 Low precip. Wyoming big sagebrush (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 380–386, 394–397, 423–425 Nevada Elko/Humboldt Spread 5 Low precip. Wyoming big sagebrush (NV) Wyoming big sagebrush (local) Artmeisia tridentata 539–541, 546–549 Nevada Washoe Spread 5 Low precip. Wyoming big sagebrush (Surprise) NEEDLE & THREAD Hesperostipa comata 539–541, 546–549 Nevada Washoe Spread 5 Low precip. Wyoming big sagebrush (Surprise) Bottlebrush squirreltail (local) Elymus elymoides 539–541, 546–549 Nevada Washoe Spread 5 Low precip. Wyoming big sagebrush (Surprise) Indian ricegrass (local) Achnatherum hymenoides 539–541, 546–549 Nevada Washoe Spread 5 Low precip. Wyoming big sagebrush (Surprise) Sandberg bluegrass (local) Poa secunda 539–541, 546–549 Nevada Washoe Spread 5 Low precip. Wyoming big sagebrush (Surprise) Blue flax (Appar) Linum perenne 539–541, 546–549 Nevada Washoe Spread 5 Low precip. Wyoming big sagebrush (Surprise) Globemallow (local) Sphaeralce a sp. 539–541, 546–549 Nevada Washoe Spread 5 Low precip. Wyoming big sagebrush (Surprise) Wyoming big sagebrush (local) Artmeisia tridentata 539–541, 546–549 Nevada Washoe Spread 5 Low precip. Wyoming big sagebrush (Surprise) Yarrow Western (Idaho cultivar) Achillea millefolium 377–379 Nevada Elko Spread 5 Low sagebrush (NV) Bluebunch wheatgrass (P-7) Pseudoregneria spicata 377–379 Nevada Elko Spread 5 Low sagebrush (NV) Antelope bitterbrush (local NE NV source) Purshia tridentata 377–379 Nevada Elko Spread 5 Low sagebrush (NV) Arrowleaf balsamroot Balsamorhiza sagittata 377–379 Nevada Elko Spread 5 Low sagebrush (NV) Basin wildrye (Magnar) Leymus cinereus 377–379 Nevada Elko Spread 5 Low sagebrush (NV) Bottlebrush squirreltail (Sand Hollow or local source) Elymus multisetus 377–379 Nevada Elko Spread 5 Low sagebrush (NV) Idaho fescue (Joseph) Festuca idahoensis 377–379 Nevada Elko Spread 5 Low sagebrush (NV) Sandberg bluegrass (Mtn Home, ID) Poa secunda 377–379 Nevada Elko Spread 5 Low sagebrush (NV) Blue flax (Appar) Linum perenne 377–379 Nevada Elko Spread 5 Low sagebrush (NV) Basin big sagebrush (local) Artmeisia tridentata 377–379 Nevada Elko Spread 5 Low sagebrush (NV) Gray low sagebrush/early low sagebrush Artemisia sp. 377–379 Nevada Elko Spread 5 Low sagebrush (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 534–541 Nevada Humboldt/Washoe Spread 5 Low sagebrush (Surprise) Bluebunch wheatgrass Pseudoregneria spicata 534–541 Nevada Humboldt/Washoe Spread 5 Low sagebrush (Surprise) Antelope bitterbrush (local ) Purshia tridentata 534–541 Nevada Humboldt/Washoe Spread 5 Low sagebrush (Surprise) Arrowleaf balsamroot Balsamorhiza sagittata 534–541 Nevada Humboldt/Washoe Spread 5 Low sagebrush (Surprise) Basin wildrye Leymus cinereus 534–541 Nevada Humboldt/Washoe Spread 5 Low sagebrush (Surprise) Bottlebrush squirreltail Elymus elymoides 534–541 Nevada Humboldt/Washoe Spread 5 Low sagebrush (Surprise) Idaho fescue (local) Festuca idahoensis 534–541 Nevada Humboldt/Washoe Spread 5 Low sagebrush (Surprise) Sandberg bluegrass Poa secunda 534–541 Nevada Humboldt/Washoe Spread 5 Low sagebrush (Surprise) Blue flax (Appar) Linum perenne 534–541 Nevada Humboldt/Washoe Spread 5 Low sagebrush (Surprise) Gray low sagebrush (local) Artemisia sp. 534–541 Nevada Humboldt/Washoe Spread 5 Low sagebrush (Surprise) Yarrow Western (Idaho cultivar) Achillea millefolium 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Utah serviceberry Amelanchier utahensis 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Antelope bitterbrush (local NE NV source) Purshia tridentata 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Basin wildrye (Magnar) Leymus cinereus 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Bluebunch wheatgrass (P-7) Pseudoregneria spicata 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Sainfoin (Eski) Onobrychis viciifolia 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Small burnet (Delar) Sanguisorba minor

CH2M HILL Confidential 12/20/2012 Page 8 of 11 APPENDIX D Seed Mixes Used for Revegetation

Mileposts State County Spread Mix Name Common Name Scientific Name 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Bluebunch Snake River wheatgrass (Secar) Elymus wawawaiensis 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Thickspike wheatgrass (Bannock) Elymus lanceolatus 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Alfalfa (Ladak) Medicago sativa 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Arrowleaf balsamroot Balsamorhiza sagittata 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Intermediate wheatgrass (OAHE) Thinopyrum intermedium 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Penstemon (Palmer) Penstemon palmeri 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Big bluegrass (Sherman) Poa secunda 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Canby bluegrass (Canbar) Poa canbyi 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) White-stemmed rubber rabbitbrush Chrysothamnus nauseosus 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Yarrow Western (Idaho cultivar) Achillea millefolium 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Basin big sagebrush Artemisia tridentata 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Mountain big sagebrush Artemisia tridentata 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Mountain Lupine Lupinus monticola 514-–527 Nevada Humboldt Spread 5 Mountain big sagebrush (NV) Wyoming big sagebrush Artemisia tridentata 430–434 Nevada Humboldt Spread 5 Sandy big sagebrush (NV) Fourwing saltbush (local source) Atriplex canescens 430–434 Nevada Humboldt Spread 5 Sandy big sagebrush (NV) Indian ricegrass (Rimrock) Achnatherum hymenoides 430–434 Nevada Humboldt Spread 5 Sandy big sagebrush (NV) Needle and thread Hesperostipa comata 430–434 Nevada Humboldt Spread 5 Sandy big sagebrush (NV) Penstemon (Palmer) Penstemon palmeri 401-404; 408-411; 436-438; 487-489 Nevada Humboldt Spread 5 Shadscale (NV) Siberian wheatgrass (Vavilov) Agropyron fraglie 401-404; 408-411; 436-438; 487-489 Nevada Humboldt Spread 5 Shadscale (NV) Russian wildrye (Bioziosky) Psathyrostachys juncea 401-404; 408-411; 436-438; 487-489 Nevada Humboldt Spread 5 Shadscale (NV) Fourwing saltbush (local source) Atriplex canescens 401-404; 408-411; 436-438; 487-489 Nevada Humboldt Spread 5 Shadscale (NV) Shadscale (local) Atriplex confertifolia 401-404; 408-411; 436-438; 487-489 Nevada Humboldt Spread 5 Shadscale (NV) Forage kochia (Immigrant) Bassia prostrata 401-404; 408-411; 436-438; 487-489 Nevada Humboldt Spread 5 Shadscale (NV) Gooseberry-leaf globemallow Sphaeralcea grossulariifolia 531–533 Nevada Humboldt Spread 5 Mountain big sagebrush (Surprise) Utah serviceberry (local) Amelanchier utahensis 531–533 Nevada Humboldt Spread 5 Mountain big sagebrush (Surprise) Antelope bitterbrush (local ) Purshia tridentata 531–533 Nevada Humboldt Spread 5 Mountain big sagebrush (Surprise) Bluebunch wheatgrass (local) Pseudoregneria spicata 531–533 Nevada Humboldt Spread 5 Mountain big sagebrush (Surprise) Needle & Thread and Indian rice grass Hesperostipa comata and Achnatherum hymenoides 531–533 Nevada Humboldt Spread 5 Mountain big sagebrush (Surprise) Arrowleaf balsamroot (local) Balsamorhiza sagittata 531–533 Nevada Humboldt Spread 5 Mountain big sagebrush (Surprise) Basin wildrye (local) Leymus cinereus 531–533 Nevada Humboldt Spread 5 Mountain big sagebrush (Surprise) Canby bluegrass (local) Poa secunda 531–533 Nevada Humboldt Spread 5 Mountain big sagebrush (Surprise) Yarrow Western (Idaho cultivar) Achillea millefolium 531–533 Nevada Humboldt Spread 5 Mountain big sagebrush (Surprise) Basin big sagebrush (local) Artemisia tridentata 531–533 Nevada Humboldt Spread 5 Mountain big sagebrush (Surprise) Mountain big sagebrush (local) Artemisia tridentata 531–533 Nevada Humboldt Spread 5 Mountain big sagebrush (Surprise) Wyoming big sagebrush (local) Artemisia tridentata 563–571 Nevada Washoe Spread 6 Black greasewood (Surprise) Basin wildrye (local) Leymus cinereus 563–571 Nevada Washoe Spread 6 Black greasewood (Surprise) Fourwing saltbush (local source) Atriplex canescens 563–571 Nevada Washoe Spread 6 Black greasewood (Surprise) Greasewood (local) Sarcobatus vermiculatus 563–571 Nevada Washoe Spread 6 Black greasewood (Surprise) Inland saltgrass (local) Distichlis spicata 563–571 Nevada Washoe Spread 6 Black greasewood (Surprise) Nevada bluegrass (local) Poa nevadensis 563–571 Nevada Washoe Spread 6 Black greasewood (Surprise) Alkali sacaton (local) Sporobolus airoides 563–571 Nevada Washoe Spread 6 Black greasewood (Surprise) Bottlebrush squirreltail (local) Elymus elymoides 563–571 Nevada Washoe Spread 6 Black greasewood (Surprise) Globemallow (local) Sphaeralcea sp. 563–571 Nevada Washoe Spread 6 Black greasewood (Surprise) Indian ricegrass (local) Achnatherum hymenoides 573–576, 580–590 Nevada/Oregon Washoe/Lake Spread 6 Low sagebrush (Surprise) Bluebunch wheatgrass (local) Pseudoregneria spicata 573–576, 580–590 Nevada/Oregon Washoe/Lake Spread 6 Low sagebrush (Surprise) Antelope bitterbrush (local ) Purshia tridentata 573–576, 580–590 Nevada/Oregon Washoe/Lake Spread 6 Low sagebrush (Surprise) Arrowleaf balsamroot (local) Balsamorhiza sagittata 573–576, 580–590 Nevada/Oregon Washoe/Lake Spread 6 Low sagebrush (Surprise) Basin wildrye (local) Leymus cinereus 573–576, 580–590 Nevada/Oregon Washoe/Lake Spread 6 Low sagebrush (Surprise) Bottlebrush squirreltail (local) Elymus elymoides 573–576, 580–590 Nevada/Oregon Washoe/Lake Spread 6 Low sagebrush (Surprise) Idaho fescue (local) Festuca idahoensis 573–576, 580–590 Nevada/Oregon Washoe/Lake Spread 6 Low sagebrush (Surprise) Sandberg bluegrass (local) Poa secunda 573–576, 580–590 Nevada/Oregon Washoe/Lake Spread 6 Low sagebrush (Surprise) Blue flax (Appar) Linum perenne 573–576, 580–590 Nevada/Oregon Washoe/Lake Spread 6 Low sagebrush (Surprise) Gray low sagebrush (local) Artemisia sp. 573–576, 580–590 Nevada/Oregon Washoe/Lake Spread 6 Low sagebrush (Surprise) Yarrow Western (Idaho cultivar) Achillea millefolium 572.5–573, 576–580 Nevada Washoe Spread 6 Mountain big sagebrush (Surprise) Utah serviceberry (local) Amelanchier utahensis 572.5–573, 576–580 Nevada Washoe Spread 6 Mountain big sagebrush (Surprise) Antelope bitterbrush (local ) Purshia tridentata 572.5–573, 576–580 Nevada Washoe Spread 6 Mountain big sagebrush (Surprise) Bluebunch wheatgrass (local) Pseudoregneria spicata 572.5–573, 576–580 Nevada Washoe Spread 6 Mountain big sagebrush (Surprise) Needle & Thread and Indian rice grass Hesperostipa comata and Achnatherum hymenoides

CH2M HILL Confidential 12/20/2012 Page 9 of 11 APPENDIX D Seed Mixes Used for Revegetation

Mileposts State County Spread Mix Name Common Name Scientific Name 572.5–573, 576–580 Nevada Washoe Spread 6 Mountain big sagebrush (Surprise) Arrowleaf balsamroot (local) Balsamorhiza sagittata 572.5–573, 576–580 Nevada Washoe Spread 6 Mountain big sagebrush (Surprise) Basin wildrye (local) Leymus cinereus 572.5–573, 576–580 Nevada Washoe Spread 6 Mountain big sagebrush (Surprise) Canby bluegrass (local) Poa secunda 572.5–573, 576–580 Nevada Washoe Spread 6 Mountain big sagebrush (Surprise) Yarrow Western (Idaho cultivar) Achillea millefolium 572.5–573, 576–580 Nevada Washoe Spread 6 Mountain big sagebrush (Surprise) Basin big sagebrush (local) Artemisia tridentata 572.5–573, 576–580 Nevada Washoe Spread 6 Mountain big sagebrush (Surprise) Mountain big sagebrush (local) Artemisia tridentata 572.5–573, 576–580 Nevada Washoe Spread 6 Mountain big sagebrush (Surprise) Wyoming big sagebrush (local) Artemisia tridentata 591-649 Oregon Lake/Klamath Spread 6 Sagebrush steppe (Oregon) Western wheatgrass Pascopyrum smithii 591-649 Oregon Lake/Klamath Spread 6 Sagebrush steppe (Oregon) Thickspike wheatgrass Elymus lanceolatus 591-649 Oregon Lake/Klamath Spread 6 Sagebrush steppe (Oregon) Bottlebrush squirreltail Elymus elymoides 591-649 Oregon Lake/Klamath Spread 6 Sagebrush steppe (Oregon) Basin wildrye Leymus cinereus 591-649 Oregon Lake/Klamath Spread 6 Sagebrush steppe (Oregon) Bluebunch wheatgrass Pseudoregneria spicata 591-649 Oregon Lake/Klamath Spread 6 Sagebrush steppe (Oregon) Needle and Thread Hesperostipa comata 591-649 Oregon Lake/Klamath Spread 6 Sagebrush steppe (Oregon) Idaho fescue Festuca idahoensis 591-649 Oregon Lake/Klamath Spread 6 Sagebrush steppe (Oregon) blue flax Linum perenne 591-649 Oregon Lake/Klamath Spread 6 Sagebrush steppe (Oregon) Deseret parsley Lomatium sp. 591-649 Oregon Lake/Klamath Spread 6 Sagebrush steppe (Oregon) Milkvetch Astragalu s sp. 591-649 Oregon Lake/Klamath Spread 6 Sagebrush steppe (Oregon) Rocky Mountain Beeplant Cleome serrulata 591-649 Oregon Lake/Klamath Spread 6 Sagebrush steppe (Oregon) Sandberg bluegrass Poa secunda 591-649 Oregon Lake/Klamath Spread 6 Sagebrush steppe (Oregon) Scarlet globemallow Sphaeralcea coccinea 591-649 Oregon Lake/Klamath Spread 6 Sagebrush steppe (Oregon) Thickleaf Penstemon Penstemon sp. 550–562 Nevada Washoe Spread 6 Sandy big sagebrush (Surprise) Indian ricegrass (local) Achnatherum hymenoides 550–562 Nevada Washoe Spread 6 Sandy big sagebrush (Surprise) Needle and thread (local) Hesperostipa comata 550–562 Nevada Washoe Spread 6 Sandy big sagebrush (Surprise) Native penstemon (local) Penstemon sp. 550–562 Nevada Washoe Spread 6 Sandy big sagebrush (Surprise) Thickspike wheatgrass or Great Basin wildrye Elymus lanceolatus 550–562 Nevada Washoe Spread 6 Sandy big sagebrush (Surprise) Nevada bluegrass (local) Poa nevadensis 550–562 Nevada Washoe Spread 6 Sandy big sagebrush (Surprise) Basin big sagebrush (local) Artemisia tridentata 550–562 Nevada Washoe Spread 6 Sandy big sagebrush (Surprise) Wyoming big sagebrush (local) Artemisia tridentata 602.7 - 650.7 Oregon Lake/Klamath Spread 6 Non-Forest Sandberg bluegrass Poa secunda 602.7 - 650.7 Oregon Lake/Klamath Spread 6 Non-Forest bluebunch wheatgrass Pseudoroegnaria spicata 602.7 - 650.7 Oregon Lake/Klamath Spread 6 Non-Forest Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 602.7 - 650.7 Oregon Lake/Klamath Spread 6 Non-Forest California brome Bromus carinatus 602.7 - 650.7 Oregon Lake/Klamath Spread 6 Forest blue wildrye Elymus glaucus 602.7 - 650.7 Oregon Lake/Klamath Spread 6 Forest blue wildrye Elymus glaucus 602.7 - 650.7 Oregon Lake/Klamath Spread 6 Forest Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 602.7 - 650.7 Oregon Lake/Klamath Spread 6 Forest Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 602.7 - 650.7 Oregon Lake/Klamath Spread 6 Forest California brome Bromus carinatus 602.7 - 650.7 Oregon Lake/Klamath Spread 6 Forest California brome Bromus carinatus 602.7 - 650.7 Oregon Lake/Klamath Spread 6 Forest California brome Bromus carinatus 653-654, 657, 659-663, 665, 673-674 Oregon Klamath Spread 7 Low sagebrush (Oregon) Bluebunch wheatgrass (local) Pseudoregneria spicata 653-654, 657, 659-663, 665, 673-674 Oregon Klamath Spread 7 Low sagebrush (Oregon) Idaho fescue (local) Festuca idahoensis 653-654, 657, 659-663, 665, 673-674 Oregon Klamath Spread 7 Low sagebrush (Oregon) Sandberg bluegrass (local) Poa secunda 653-654, 657, 659-663, 665, 673-674 Oregon Klamath Spread 7 Low sagebrush (Oregon) Bottlebrush squirrel tail Elymus elymoides 653-654, 657, 659-663, 665, 673-674 Oregon Klamath Spread 7 Low sagebrush (Oregon) Antelope bitterbrush (local ) Purshia tridentata 653-654, 657, 659-663, 665, 673-674 Oregon Klamath Spread 7 Low sagebrush (Oregon) Balsamorshiza sagittata or hookeri Balsamorhiza sagittata 653-654, 657, 659-663, 665, 673-674 Oregon Klamath Spread 7 Low sagebrush (Oregon) Lupine (local) Lupinus sp. 653-654, 657, 659-663, 665, 673-674 Oregon Klamath Spread 7 Low sagebrush (Oregon) Yarrow Achillea millefolium 653-654, 657, 659-663, 665, 673-674 Oregon Klamath Spread 7 Low sagebrush (Oregon) Nineleaf biscuitroot (local) Lomatium triternatum 653-654, 657, 659-663, 665, 673-674 Oregon Klamath Spread 7 Low sagebrush (Oregon) Sulphur flower buckwheat (local) Eriogonum umbellatum 653-654, 657, 659-663, 665, 673-674 Oregon Klamath Spread 7 Low sagebrush (Oregon) Mountain big Sagebrush Artemisia tridentata 653-654, 657, 659-663, 665, 673-674 Oregon Klamath Spread 7 Low sagebrush (Oregon) Gray Low big sagebrush (local) Artemisia sp. 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Bluebunch wheatgrass (local) Pseudoregneria spicata 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Idaho fescue (local) Festuca idahoensis 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Sandberg bluegrass (local) Poa secunda 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Basin wildrye (local) Leymus cinereus 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Bottlebrush Squirreltail (local) Elymus elymoides 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Chokecherry Prunus virginiana 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Western needlegrass Achnatherum occidentale 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Prairie junegrass (local) Koeleria macrantha

CH2M HILL Confidential 12/20/2012 Page 10 of 11 APPENDIX D Seed Mixes Used for Revegetation

Mileposts State County Spread Mix Name Common Name Scientific Name 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Ross' sedge (local) Carex rossii 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Ribes cereum Ribes cereum 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Antelope bitterbrush (local ) Purshia tridentata 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Blue Flax Linum perenne 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Mule's Ear Wyethia amplexicaulis 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Balsamorshiza sagittata or hookeri Balsamorhiza sagittata 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Nineleaf biscuitroot (local) Lomatium triternatum 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Sulphur flower buckwheat (local) Eriogonum umbellatum 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Yarrow (local) Achillea millefolium 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Mountain big sagebrush (local) Artemisia tridentata 655-656,658, 664 Oregon Klamath Spread 7 Mountain big sagebrush (Oregon) Saskatoon serviceberry (local) Amelanchier alnifolia 591-649 Oregon Lake/Klamath Spread 7 Sagebrush steppe (Oregon) Western wheatgrass Pascopyrum smithii 591-649 Oregon Lake/Klamath Spread 7 Sagebrush steppe (Oregon) Thickspike wheatgrass Elymus lanceolatus 591-649 Oregon Lake/Klamath Spread 7 Sagebrush steppe (Oregon) Bottlebrush squirreltail Elymus elymoides 591-649 Oregon Lake/Klamath Spread 7 Sagebrush steppe (Oregon) Basin wildrye Leymus cinereus 591-649 Oregon Lake/Klamath Spread 7 Sagebrush steppe (Oregon) Bluebunch wheatgrass Pseudoregneria spicata 591-649 Oregon Lake/Klamath Spread 7 Sagebrush steppe (Oregon) Needle and Thread Hesperostipa comata 591-649 Oregon Lake/Klamath Spread 7 Sagebrush steppe (Oregon) Idaho fescue Festuca idahoensis 591-649 Oregon Lake/Klamath Spread 7 Sagebrush steppe (Oregon) blue flax Linum perenne 591-649 Oregon Lake/Klamath Spread 7 Sagebrush steppe (Oregon) Deseret parsley Lomatium sp. 591-649 Oregon Lake/Klamath Spread 7 Sagebrush steppe (Oregon) Milkvetch Astragalus sp. 591-649 Oregon Lake/Klamath Spread 7 Sagebrush steppe (Oregon) Rocky Mountain Beeplant Cleome serrulata 591-649 Oregon Lake/Klamath Spread 7 Sagebrush steppe (Oregon) Sandberg bluegrass Poa secunda 591-649 Oregon Lake/Klamath Spread 7 Sagebrush steppe (Oregon) Scarlet Gloebemallow Sphaeralcea coccinea 591-649 Oregon Lake/Klamath Spread 7 Sagebrush steppe (Oregon) Thickleaf Penstemon Penstemon sp. 668-671 Oregon Klamath Spread 7 Wyoming big sagebrush (Oregon) Bluebunch wheatgrass (local) Pseudoregneria spicata 668-671 Oregon Klamath Spread 7 Wyoming big sagebrush (Oregon) Idaho fescue (local) Festuca idahoensis 668-671 Oregon Klamath Spread 7 Wyoming big sagebrush (Oregon) Sandberg bluegrass (local) Poa secunda 668-671 Oregon Klamath Spread 7 Wyoming big sagebrush (Oregon) Bottlebrush Squirreltail (local) Elymus elymoides 668-671 Oregon Klamath Spread 7 Wyoming big sagebrush (Oregon) Western needlegrass Achnatherum occidentale 668-671 Oregon Klamath Spread 7 Wyoming big sagebrush (Oregon) Prairie junegrass (local) Koeleria macrantha 668-671 Oregon Klamath Spread 7 Wyoming big sagebrush (Oregon) Blue Flax Linum perenne 668-671 Oregon Klamath Spread 7 Wyoming big sagebrush (Oregon) Lupine (local) Lupinus sp. 668-671 Oregon Klamath Spread 7 Wyoming big sagebrush (Oregon) Nineleaf biscuitroot (local) Lomatium triternatum 668-671 Oregon Klamath Spread 7 Wyoming big sagebrush (Oregon) Nineleaf biscuitroot (local) Lomatium triternatum 668-671 Oregon Klamath Spread 7 Wyoming big sagebrush (Oregon) Yarrow (local) Achillea millefolium 668-671 Oregon Klamath Spread 7 Wyoming big sagebrush (Oregon) Mountain big sagebrush Artemisia tridentata 602.7 - 650.7 Oregon Lake/Klamath Spread 7 Non-Forest Sandberg bluegrass Poa secunda 602.7 - 650.7 Oregon Lake/Klamath Spread 7 Non-Forest bluebunch wheatgrass Pseudoroegnaria spicata 602.7 - 650.7 Oregon Lake/Klamath Spread 7 Non-Forest Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 602.7 - 650.7 Oregon Lake/Klamath Spread 7 Non-Forest California brome Bromus carinatus 602.7 - 650.7 Oregon Lake/Klamath Spread 7 Forest blue wildrye Elymus glaucus 602.7 - 650.7 Oregon Lake/Klamath Spread 7 Forest blue wildrye Elymus glaucus 602.7 - 650.7 Oregon Lake/Klamath Spread 7 Forest Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 602.7 - 650.7 Oregon Lake/Klamath Spread 7 Forest Bottlebrush Squirreltail (Toe Jam Creek) Elymus elymoides 602.7 - 650.7 Oregon Lake/Klamath Spread 7 Forest California brome Bromus carinatus 602.7 - 650.7 Oregon Lake/Klamath Spread 7 Forest California brome Bromus carinatus 602.7 - 650.7 Oregon Lake/Klamath Spread 7 Forest California brome Bromus carinatus

Notes: aNo specific MPs identified. Presumed to be used in the vicinity of the Roberson Creek Compressor Station bNo specific MPs identified cNo specific MPs identified. MPs shown are for entire spread. Highlighted Species are Listed on County Invasive List

CH2M HILL Confidential 12/20/2012 Page 11 of 11