Geologic Maps of Washington

GEOLOGIC MAPS OF WASHINGTON

DGER GM-53 124° 117° 123° 122° 121° 120° CANADA 119° 118° 49° 49° WASHINGTON STATE PEND DGER OFR 2000-5 WHATCOM DGER OFR 90-5 USA FERRY (scale 1:500,000) OREILLE Roche Mount Bellingham Robinson Oroville Republic Colville Harbor Baker Mtn 125° OKANOGAN DGER OFR 2003-17 48°30 USGS Map I-2660 DGER OFR 90-10 DGER OFR 90-13 48°30 CANADA DGER OFR 90-11 SAN USA Port JUAN SKAGIT DGER DGER OFR 90-12 ISLAND OFR 90-9 Cape Angeles Port Sauk Nespelem Chewelah Flattery Townsend River Twisp Omak USGS Map I-1198F DGER OFR 2003-5 DGER OFR 2003-6 DGER DGER OFR 90-14 48° USGS Map I-1198G USGS Map I -2592 OFR 95-3 DGER OFR 90-16 48° CLALLAM USGS OFR 93-233 STEVENS IDAHO SNOHOMISH DOUGLAS JEFFERSON USGS OFR 91-147 CHELAN Mount Coulee Forks Seattle Skykomish Banks Spokane Olympus River Chelan Lake Dam DGER OFR 2000-4 DGER OFR 2003-4 DGER OFR 90-17 47°30 KITSAP USGS Map I-1963 USGS Map I-1661 DGER OFR 90-6 DGER OFR 90-15 47°30 GRAYS GIS data only KING LINCOLN SPOKANE Copalis HARBOR GRANT Snoqualmie Moses Beach Shelton Tacoma Wenatchee Ritzville Rosalia MASON Pass Lake DGER OFR 2003-16 KITTITAS DGER OFR 2003-15 47° DGER OFR 87-3 USGS Map I-2538 USGS Map I-1311 DGER OFR 90-1 DGER OFR 90-2 DGER OFR 90-7 47° WHITMAN PIERCE ADAMS THURSTON Westport Chehalis Mount Priest Pullman River Centralia Yakima Connell LEWIS Rainier Rapids FRANKLIN DGER DGER OFR 87-8 DGER OFR 87-8 DGER 46°30 DGER OFR 87-11 DGER OFR 87-16 OFR 86-4 OFR 94-12 DGER OFR 94-13 DGER OFR 94-14 DGER OFR 94-6 46°30 PACIFIC GARFIELD YAKIMA DGER COLUMBIA OFR 86-3 BENTON Ilwaco WAHKIAKUM Mount Clarkston Mount Richland Walla Walla Astoria St. Helens Adams Toppenish (and Orofino) WALLA WALLA ASOTIN COWLITZ SKAMANIA DGER DGER OFR 87-2 DGER OFR 87-2 46° DGER OFR 87-4 DGER OFR 87-5 OFR 94-10 DGER OFR 94-8 DGER OFR 94-3 DGER OFR 93-4 46° 125° 124° OREGON 118° 117° KLICKITAT DGER CLARK OFR 87-13 Vancouver Hood Goldendale Hermiston River DGER DGER OFR 87-10 45°30 DGER OFR 87-6 OFR 94-9 DGER OFR 94-9 120°30 123° 122° 121° 120° 119° NW NE 30- BY 60-MINUTE QUADRANGLES DGER DGER GM-39 GM-50 (scale 1:100,000) 47°15 SW SE 0 10 20 30 40 mi DGER GM-34 DGER GM-45 0 10 20 30 40 50 60 km

QUADRANT MAPS PAGE DOWN FOR LINKS LISTED 7.5-MINUTE QUADRANGLES (scale 1:250,000) BY MAP NAME OR AUTHOR (scale 1:24,000) GEOLOGIC MAPS OF WASHINGTON

The list below is in alphabetical order by quadrangle Chelan: Tabor and others, 1987, USGS I-1661 Toppenish (east half): Schuster, 1994, DGER OFR name and gives abbreviated versions of author(s), Chewelah: Waggoner, 1990, DGER OFR 90-14 94-10 year published, publisher, series, and series number. Clarkston: Schuster, 1993, DGER OFR 93-4 Toppenish (west half): Walsh, 1986, DGER OFR It is followed by ―References by Author‖ for a 86-3 complete citation. Blue tint indicates links to those Colville: Joseph, 1990, DGER OFR 90-13 Twisp (east half): Bunning, 1990, DGER OFR 90-9 maps that are online. All other published maps may Connell: Gulick, 1994, DGER OFR 94-14 be consulted at the Washington Geology Library. Twisp (west half): Dragovich and Norman, 1995, Digital coverage of the entire state at 1:100,000-scale Copalis Beach: Logan, 2003, DGER OFR 2003-16 DGER OFR 95-3 is available through our GIS data page. In-print Coulee Dam: Waggoner, 1990, DGER OFR 90-15 Vancouver: Phillips, 1987, DGER OFR 87-10 DGER formal publications are available through the Forks: Gerstel and Lingley, 2000, DGER OFR Walla Walla: Schuster, 1994, DGER OFR 94-3 Department of Printing. See our Publications List for 2000-4 more information. To order USGS products, call toll- Wenatchee: Tabor and others, 1977, USGS OFR 77- free 1-888-ASK-USGS or visit http://store.usgs.gov/. Goldendale (east half): Schuster, 1994, DGER 531 OFR 94-9 Wenatchee: Tabor and others, 1982, USGS I-1311 Note: These files can be very large (~2–30 MB). Goldendale (northwest part): Phillips and Walsh, Depending on the speed of your Internet connection 1987, DGER OFR 87-13 Westport: Logan, 1987, DGER OFR 87-8 and age and power of your computer, they may take Hermiston: Schuster, 1994, DGER OFR 94-9 Yakima (east half): Schuster, 1994, DGER OFR several minutes to load, or not load at all if you have 94-12 Hood River: Korosec, 1987, DNR OFR 87-6 dial up. Yakima (west half): Walsh, 1986, DNR DGER 86-4 Ilwaco: Walsh, 1987, DGER OFR 87-2 * * * * * Moses Lake: Gulick, 1990, DGER OFR 90-1 * * * * * GLOSSARY Mount Adams: Korosec, 1987, DNR OFR 87-5 (parentheses) – indicate partial quadrangle REFERENCES BY AUTHOR Mount Baker: Tabor and others, 1994, USGS OFR Dragovich, J. D.; Logan, R. L.; Schasse, H. W.; DGER – Washington Division of Geology and Earth 94-403 Resources Walsh, T. J.; Lingley, W. S., Jr.; Norman, D. K.; Mount Olympus: Gerstel and Lingley, 2003, DGER Gerstel, W. J.; Lapen, T. J.; Schuster, J. E.; GM – DGER Geologic Map OFR 2003-4 Meyers, K. D., 2002, Geologic map of I – USGS Miscellaneous Investigations Series Map Mount Rainier: Schasse, 1987, DNR OFR 87-16 Washington—Northwest quadrant: Washington OFR – DGER or USGS Open File Report Division of Geology and Earth Resources Mount St. Helens: Phillips, 1987, DNR DGER 87-4 Geologic Map GM-50, 3 sheets, scale 1:250,000, USGS – U.S. Geological Survey Nespelem: Joseph, 1990, DGER OFR 90-16 with 72 p. text. [http://www.dnr.wa.gov/ Omak: Gulick and Korosec, 1990, DGER OFR 90-12 Publications/ger_gm50_geol_map_nw_wa_250k. * * * * * pdf] Orofino: Schuster, 1993, DGER OFR 93-4 GEOLOGIC MAPS OF WASHINGTON STATE Dragovich, J. D.; Norman, D. K., compilers, 1995, Geologic map of Washington State: Schuster, 2005, Oroville: Stoffel, 1990, DGER OFR 90-11 Geologic map of the west half of the Twisp DGER GM-53 Port Angeles: Schasse, 2003, DGER OFR 2003-6 1:100,000 quadrangle, Washington: Washington Page-size Geologic Map of Washington: Schuster, Port Townsend [bedrock]: Whetten and others, 1988, Division of Geology and Earth Resources Open 2009, [no series or number] USGS I-1198-G File Report 95-3, 63 p., 1 plate, scale 1:100,000. [http://www.dnr.wa.gov/Publications/ger_ofr95- Geologic map of Washington: Huntting and others, Port Townsend [surficial]: Pessl and others, 1989, 3_geol_map_twisp_w_100k.zip] 1961, DGER GM [no number, two versions] USGS I-1198-F [1 sheet] [sheet 1 of 2] [sheet 2 of 2] Frizzell, V. A., Jr.; Tabor, R. W.; Booth, D. B.; Priest Rapids: Reidel and Fecht, 1994, DGER Ort, K. M.; Waitt, R. B., Jr., 1984, Preliminary Geologic cross section of Washington: Livingston, OFR 94-13 geologic map of the Snoqualmie Pass 1:100,000 1961, DGER GM [no number, accompanies 1961 Pullman: Gulick, 1994, DGER OFR 94-6 quadrangle, Washington: U.S. Geological Survey map] Republic: Stoffel, 1990, DGER OFR 90-10 Open-File Report 84-693, 1 plate, scale State of Washington—Preliminary geologic map: 1:100,000, with 43 p. text. Republic: Stoffel, 1992 rev., DGER OFR 90-10 Stose, 1936, DGER GM [no number] Gerstel, W. J.; Lingley, W. S., Jr., 2003, Geologic Richland: Reidel and Fecht, 1994, DGER OFR 94-8 map of the Mount Olympus 1:100,000 * * * * * Ritzville: Gulick, 1990, DGER OFR 90-2 quadrangle, Washington: Washington Division of QUADRANTS BY NAME Roche Harbor: Logan, 2003, DGER OFR 2003-17 Geology and Earth Resources Open File Report 2003-4, 1 sheet, scale 1:100,000. [http://www. Northeast quadrant: Stoffel and others, 1991, DGER Robinson Mtn: Stoffel and McGroder, 1990, DGER GM-39 dnr.wa.gov/Publications/ger_ofr2003-4_geol_ OFR 90-5 map_ mountolympus_100k.pdf] Northwest quadrant: Dragovich and others, 2002, Rosalia: Waggoner, 1990, DGER OFR 90-7 DGER GM-50 Gerstel, W. J.; Lingley, W. S., Jr., compilers, 2000, Sauk River: Tabor and others, 2002, USGS I-2592 Geologic map of the Forks 1:100,000 quadrangle, Southeast quadrant: Schuster and others, 1997, Washington: Washington Division of Geology DGER GM-45 Seattle [bedrock]: Yount and Gower, 1991, USGS OFR 91-147 and Earth Resources Open File Report 2000-4, Southwest quadrant: Walsh and others, 1987, DGER 36 p., 2 plates, scale 1:100,000. [http://www.dnr. Seattle [surficial]: Yount and others, 1993, USGS GM-34 wa.gov/Publications/ger_ofr2000-4_geol_map_ OFR 93-233 * * * * * forks_100k.zip] Shelton: Logan, 2003, DGER OFR 2003-15 QUADRANGLES BY NAME Gulick, C. W., compiler, 1990, Geologic map of the Skykomish River: Tabor and others, 1982, USGS Moses Lake 1:100,000 quadrangle, Washington: (7.5-minute quadrangles are listed separately) OFR 82-747 Washington Division of Geology and Earth Astoria: Walsh, 1987, DGER OFR 87-2 Skykomish River: Tabor and others, 1993, USGS I- Resources Open File Report 90-1, 9 p., 1 plate. Banks Lake: Gulick and Korosec, 1990, DGER OFR 1963 [http://www.dnr.wa.gov/Publications/ger_ofr90- 1_geol_map_moseslake_100k.zip] 90-6 Snoqualmie Pass: Frizzell and others, 1984, USGS Bellingham: Lapen, 2000, DGER OFR 2000-5 OFR 84-693 Gulick, C. W., compiler, 1990, Geologic map of the Ritzville 1:100,000 quadrangle, Washington: Snoqualmie Pass: Tabor and others, 2000, USGS I- Cape Flattery: Schasse, 2003, DGER OFR 2003-5 Washington Division of Geology and Earth 2538 Centralia: Schasse, 1987, DGER OFR 87-11 Resources Open File Report 90-2, 7 p., 1 plate. Chehalis River: Logan, 1987, DGER OFR 87-8 Spokane: Joseph, 1990, DGER OFR 90-17 [http://www.dnr.wa.gov/Publications/ger_ofr90- 2_geol_map_ritzville_100k.zip] Chelan: Tabor and others, 1980, USGS OFR 80-841 Tacoma (south half): Walsh, 1987, DGER OFR 87-3

GEOLOGIC MAPS OF WASHINGTON 2 5/12/2011 Gulick, C. W., compiler, 1994, Geologic map of the Logan, R. L., compiler, 1987, Geologic map of the Schasse, H. W., compiler, 1987, Geologic map of the Connell 1:100,000 quadrangle, Washington: Chehalis River and Westport quadrangles, Mount Rainier quadrangle, Washington: Washington Division of Geology and Earth Washington: Washington Division of Geology Washington Division of Geology and Earth Resources Open File Report 94-14, 18 p., 1 plate. and Earth Resources Open File Report 87-8, Resources Open File Report 87-16, 43 p., 1 plate, [http://www.dnr.wa.gov/Publications/ger_ofr94- 16 p., 1 plate, scale 1:100,000. [http://www.dnr. scale 1:100,000. [http://www.dnr.wa.gov/ 14_geol_map_connell_100k.zip] wa.gov/Publications/ger_ofr87-8_geol_map_ Publications/ger_ofr87-16_geol_map_ Gulick, C. W., compiler, 1994, Geologic map of the chehalisriver_westport_100k.zip] mountrainier_100k.zip] Pullman 1:100,000 quadrangle, Washington– Logan, R. L., 2003, Geologic map of the Copalis Schasse, H. W., 2003, Geologic map of the Idaho: Washington Division of Geology and Beach 1:100,000 quadrangle, Washington: Washington portion of the Cape Flattery Earth Resources Open File Report 94-6, 22 p., Washington Division of Geology and Earth 1:100,000 quadrangle: Washington Division of 1 plate. [http://www.dnr.wa.gov/Publications/ Resources Open File Report 2003-16, 1 sheet, Geology and Earth Resources Open File Report ger_ofr94-6_geol_map_pullman_100k.zip] scale 1:100,000. [http://www.dnr.wa.gov/ 2003-5, 1 sheet, scale 1:100,000. [http://www. Gulick, C. W.; Korosec, M. A., compilers, 1990, Publications/ger_ofr2003-16_geol_map_ dnr.wa.gov/Publications/ger_ofr2003-5_geol_ Geologic map of the Banks Lake 1:100,000 copalisbeach_100k.pdf] map_ capeflattery_100k.pdf] quadrangle, Washington: Washington Division of Logan, R. L., 2003, Geologic map of the Shelton Schasse, H. W., 2003, Geologic map of the Geology and Earth Resources Open File Report 1:100,000 quadrangle, Washington: Washington Washington portion of the Port Angeles 90-6, 20 p., 1 plate. [http://www.dnr.wa.gov/ Division of Geology and Earth Resources Open 1:100,000 quadrangle: Washington Division of Publications/ger_ofr90-6_geol_map_bankslake_ File Report 2003-15, 1 sheet, scale 1:100,000. Geology and Earth Resources Open File Report 100k.zip] [http://www.dnr.wa.gov/Publications/ger_ofr200 2003-6, 1 sheet, scale 1:100,000. [http://www. Gulick, C. W.; Korosec, M. A., compilers, 1990, 3-15_geol_map_shelton_100k.pdf] dnr.wa.gov/Publications/ger_ofr2003-6_geol_ Geologic map of the Omak 1:100,000 Logan, R. L., 2003, Geologic map of the Washington map_ portangeles_100k.pdf] quadrangle, Washington: Washington Division of portion of the Roche Harbor 1:100,000 Schuster, J. E., compiler, 1993, Geologic map of the Geology and Earth Resources Open File Report quadrangle: Washington Division of Geology Clarkston 1:100,000 quadrangle, Washington– 90-12, 52 p., 1 plate. [http://www.dnr.wa.gov/ and Earth Resources Open File Report 2003-17, Idaho, and the Washington portion of the Orofino Publications/ger_ofr90-12_geol_map_omak_ 1 sheet, scale 1:100,000. [http://www.dnr.wa. 1:100,000 quadrangle: Washington Division of 100k.zip] gov/Publications/ger_ofr2003-17_geol_map_ Geology and Earth Resources Open File Report Huntting, M. T.; Bennett, W. A. G.; Livingston, rocheharbor_100k.pdf] 93-4, 43 p., 1 plate. [http://www.dnr.wa.gov/ V. E., Jr.; Moen, W. S., 1961, Geologic map of Pessl, Fred, Jr.; Dethier, D. P.; Booth, D. B.; Minard, Publications/ger_ofr93-4_geol_map_clarkston_ Washington: Washington Division of Mines and J. P., 1989, Surficial geologic map of the Port orofino_100k.zip] Geology Geologic Map, 1 sheet and 2 sheets [2 Townsend 30- by 60-minute quadrangle, Puget Schuster, J. E., compiler, 1994, Geologic map of the versions], scale 1:500,000. [http://www.dnr.wa. Sound region, Washington: U.S. Geological east half of the Toppenish 1:100,000 quadrangle, gov/Publications/ger_gm_wa_1961_1_sheet.pdf] Survey Miscellaneous Investigations Series Map Washington: Washington Division of Geology [http://www.dnr.wa.gov/Publications/ger_gm_ I-1198-F, 1 sheet, scale 1:100,000, with 13 p. and Earth Resources Open File Report 94-10, wa_1961_sheet1.pdf] [http://www.dnr.wa.gov/ text. 15 p., 1 plate. [http://www.dnr.wa.gov/ Publications/ger_gm_wa_1961_sheet2.pdf] Phillips, W. M., compiler, 1987, Geologic map of the Publications/ger_ofr94-10_geol_map_ Joseph, N. L., compiler, 1990, Geologic map of the Vancouver quadrangle, Washington: Washington toppenish_e_100k.zip] Colville 1:100,000 quadrangle, Washington– Division of Geology and Earth Resources Open Schuster, J. E., compiler, 1994, Geologic map of the Idaho: Washington Division of Geology and File Report 87-10, 27 p., 1 plate, scale 1:100,000. east half of the Yakima 1:100,000 quadrangle, Earth Resources Open File Report 90-13, 78 p., [http://www.dnr.wa.gov/Publications/ger_ofr87- Washington: Washington Division of Geology 1 plate. [http://www.dnr.wa.gov/Publications/ 10_geol_map_vancouver_100k.zip] and Earth Resources Open File Report 94-12, ger_ofr90-13_geol_map_colville_100k.zip] Phillips, W. M.; Walsh, T. J., compilers, 1987, 19 p., 1 plate. [http://www.dnr.wa.gov/ Joseph, N. L., compiler, 1990, Geologic map of the Geologic map of the northwest part of the Publications/ger_ofr94-12_geol_map_yakima_ Nespelem 1:100,000 quadrangle, Washington: Goldendale quadrangle, Washington: e_100k.zip] Washington Division of Geology and Earth Washington Division of Geology and Earth Schuster, J. E., compiler, 1994, Geologic map of the Resources Open File Report 90-16, 47 p., 1 plate. Resources Open File Report 87-13, 7 p., 1 plate, Walla Walla 1:100,000 quadrangle, Washington: [http://www.dnr.wa.gov/Publications/ger_ofr90- scale 1:100,000. [http://www.dnr.wa.gov/ Washington Division of Geology and Earth 16_geol_map_nespelem_100k.zip] Publications/ger_ofr87-13_geol_map_ Resources Open File Report 94-3, 18 p., 1 plate. Joseph, N. L., compiler, 1990, Geologic map of the goldendale_w_100k.zip] [http://www.dnr.wa.gov/Publications/ger_ofr94- Spokane 1:100,000 quadrangle, Washington– Reidel, S. P.; Fecht, K. R., compilers, 1994, Geologic 3_geol_map_wallawalla_100k.zip] Idaho: Washington Division of Geology and map of the Priest Rapids 1:100,000 quadrangle, Schuster, J. E., compiler, 1994, Geologic maps of the Earth Resources Open File Report 90-17, 29 p., Washington: Washington Division of Geology east half of the Washington portion of the 1 plate. [http://www.dnr.wa.gov/Publications/ and Earth Resources Open File Report 94-13, Goldendale 1:100,000 quadrangle and the ger_ofr90-17_geol_map_spokane_100k.zip] 22 p., 1 plate. [http://www.dnr.wa.gov/ Washington portion of the Hermiston 1:100,000 Korosec, M. A., compiler, 1987, Geologic map of the Publications/ger_ofr94-13_geol_map_ quadrangle: Washington Division of Geology and Hood River quadrangle, Washington and Oregon: priestrapids_100k.zip] Earth Resources Open File Report 94-9, 17 p., Washington Division of Geology and Earth Reidel, S. P.; Fecht, K. R., compilers, 1994, Geologic 1 plate. [http://www.dnr.wa.gov/Publications/ Resources Open File Report 87-6, 40 p., 1 plate, map of the Richland 1:100,000 quadrangle, ger_ofr94-9_geol_map_goldendale_e_ scale 1:100,000. [http://www.dnr.wa.gov/ Washington: Washington Division of Geology hermiston_100k.zip] Publications/ger_ofr87-6_geol_map_hoodriver_ and Earth Resources Open File Report 94-8, Schuster, J. E., 2005, Geologic map of Washington 100k.zip] 21 p., 1 plate. [http://www.dnr.wa.gov/ State: Washington Division of Geology and Earth Lapen, T. J., 2000, Geologic map of the Bellingham Publications/ger_ofr94-8_geol_map_richland_ Resources Geologic Map GM-53, 1 sheet, scale 1:100,000 quadrangle, Washington: Washington 100k.zip] 1:500,000, with 44 p. text. [http://www.dnr.wa. Division of Geology and Earth Resources Open Schasse, H. W., compiler, 1987, Geologic map of the gov/Publications/ger_gm53_geol_map_ File Report 2000-5, 36 p., 2 plates, scale Centralia quadrangle, Washington: Washington washington_500k.zip] 1:100,000. [http://www.dnr.wa.gov/Publications/ Division of Geology and Earth Resources Open Schuster, J. E., compiler, 2009, Geologic map of ger_ofr2000-5_geol_map_bellingham_100k.zip] File Report 87-11, 28 p., 1 plate, scale 1:100,000. Washington: Washington Division of Geology Livingston, V. E., Jr., 1961, Geologic cross section [http://www.dnr.wa.gov/Publications/ger_ofr87- and Earth Resources, 1 sheet, scale 1:2,250,000. to accompany the 1961 Geologic map of 11_geol_map_centralia_100k.zip] [http://www.dnr.wa.gov/Publications/ger_geol_ Washington, by M. T. Huntting and others: map_washington_pagesize.pdf] Washington Division of Mines and Geology, 1 sheet. [http://www.dnr.wa.gov/Publications/ ger_gm_geo_cross_sect_1961_geomap.pdf]

GEOLOGIC MAPS OF WASHINGTON 3 5/12/2011 Schuster, J. E.; Gulick, C. W.; Reidel, S. P.; Fecht, Tabor, R. W.; Frizzell, V. A., Jr.; Whetten, J. T.; Walsh, T. J., compiler, 1987, Geologic map of K. R.; Zurenko, S. E., 1997, Geologic map of Swanson, D. A.; Byerly, G. R.; Booth, D. B.; the south half of the Tacoma quadrangle, Washington—Southeast quadrant: Washington Hetherington, M. J.; Waitt, R. B., Jr., 1980, Washington: Washington Division of Geology Division of Geology and Earth Resources Preliminary geologic map of the Chelan and Earth Resources Open File Report 87-3, Geologic Map GM-45, 2 sheets, scale 1:250,000, 1:100,000 quadrangle, Washington: U.S. 10 p., 1 plate, scale 1:100,000. [http://www.dnr. with 20 p. text. [http://www.dnr.wa.gov/ Geological Survey Open-File Report 80-841, wa.gov/Publications/ger_ofr87-3_geol_map_ Publications/ger_gm45_geol_map_se_wa_250k. 46 p., 1 plate, scale 1:100,000. tacoma_s_100k.zip] pdf] Tabor, R. W.; Frizzell, V. A., Jr.; Whetten, J. T.; Walsh, T. J.; Korosec, M. A.; Phillips, W. M.; Stoffel, K. L., compiler, 1990, Geologic map of the Waitt, R. B.; Swanson, D. A.; Byerly, G. R.; Logan, R. L.; Schasse, H. W., 1987, Geologic Oroville 1:100,000 quadrangle, Washington: Booth, D. B.; Hetherington, M. J.; Zartman, map of Washington—Southwest quadrant: Washington Division of Geology and Earth R. E., 1987, Geologic map of the Chelan 30- Washington Division of Geology and Earth Resources Open File Report 90-11, 58 p., 1 plate. minute by 60-minute quadrangle, Washington: Resources Geologic Map GM-34, 2 sheets, scale [http://www.dnr.wa.gov/Publications/ger_ofr90- U.S. Geological Survey Miscellaneous 1:250,000, with 28 p. text. [http://www.dnr.wa. 11_geol_map_oroville_100k.zip] Investigations Series Map I-1661, 1 sheet, scale gov/Publications/ger_gm34_geol_map_sw_wa_2 Stoffel, K. L., compiler, 1990, Geologic map of the 1:100,000, with 29 p. text. [http://pubs.usgs.gov/ 50k.pdf] Republic 1:100,000 quadrangle, Washington: imap/i1661/] Whetten, J. T.; Carroll, P. I.; Gower, H. D.; Brown, Washington Division of Geology and Earth Tabor, R. W.; Haugerud, R. A.; Booth, D. B.; Brown, E. H.; Pessl, Fred, Jr., 1988, Bedrock geologic Resources Open File Report 90-10, 62 p., 1 plate. E. H., 1994, Preliminary geologic map of the map of the Port Townsend 30- by 60-minute Stoffel, K. L., compiler, 1992 rev., Geologic map of Mount Baker 30- by 60-minute quadrangle, quadrangle, Puget Sound region, Washington: the Republic 1:100,000 quadrangle, Washington: Washington: U.S. Geological Survey Open-File U.S. Geological Survey Miscellaneous Washington Division of Geology and Earth Report 94-403, 55 p., 2 plates. [http://pubs.er. Investigations Series Map I-1198-G, 1 sheet, Resources Open File Report 90-10, 62 p., 1 plate. usgs.gov/usgspubs/ofr/ofr94403] scale 1:100,000. [http://www.dnr.wa.gov/Publications/ger_ofr90- Tabor, R. W.; Waitt, R. B., Jr.; Frizzell, V. A., Jr.; Yount, J. C.; Gower, H. D., 1991, Bedrock geologic 10_geol_map_republic_100k.zip] Swanson, D. A.; Byerly, G. R., 1977, Preliminary map of the Seattle 30' by 60' quadrangle, Stoffel, K. L.; Joseph, N. L.; Waggoner, S. Z.; geologic map of the Wenatchee 1:100,000 Washington: U.S. Geological Survey Open-File Gulick, C. W.; Korosec, M. A.; Bunning, B. B., quadrangle, Washington: U.S. Geological Survey Report 91-147, 37 p., 4 plates. [http://pubs.er. 1991, Geologic map of Washington—Northeast Open-File Report 77-531, 40 p., 1 plate, scale usgs.gov/usgspubs/ofr/ofr91147] quadrant: Washington Division of Geology and 1:100,000. Yount, J. C.; Minard, J. P.; Dembroff, G. R., 1993, Earth Resources Geologic Map GM-39, 3 sheets, Tabor, R. W.; Waitt, R. B., Jr.; Frizzell, V. A., Jr.; Geologic map of surficial deposits in the Seattle scale 1:250,000, with 36 p. text. [http://www.dnr. Swanson, D. A.; Byerly, G. R.; Bentley, R. D., 30' x 60' quadrangle, Washington: U.S. wa.gov/Publications/ger_gm39_geol_map_ne_ 1982, Geologic map of the Wenatchee 1:100,000 Geological Survey Open-File Report 93-233, wa_250k.pdf] quadrangle, central Washington: U.S. Geological 2 sheets, scale 1:100,000. Stoffel, K. L.; McGroder, M. F., compilers, 1990, Survey Miscellaneous Investigations Series Map Geologic map of the Robinson Mtn. 1:100,000 I-1311, 1 sheet, scale 1:100,000, with 26 p. text. quadrangle, Washington: Washington Division of [http://pubs.er.usgs.gov/usgspubs/i/i1311/] Geology and Earth Resources Open File Report Waggoner, S. Z., compiler, 1990, Geologic map of 90-5, 39 p., 1 plate. [http://www.dnr.wa.gov/ the Chewelah 1:100,000 quadrangle, Publications/ger_ofr90-5_geol_map_ Washington-Idaho: Washington Division of robinsonmtn_100k.zip] Geology and Earth Resources Open File Report Stose, G. W., editor, 1936, State of Washington 90-14, 63 p., 1 plate. [http://www.dnr.wa.gov/ preliminary geologic map: Washington Division Publications/ger_ofr90-14_geol_map_chewelah_ of Geology Geologic Map, 1 sheet, scale 100k.zip] 1:500,000. [http://www.dnr.wa.gov/Publications/ Waggoner, S. Z., compiler, 1990, Geologic map of ger_gm_wa_1936.pdf] the Coulee Dam 1:100,000 quadrangle, Tabor, R. W.; Booth, D. B.; Vance, J. A.; Ford, Washington: Washington Division of Geology A. B., 2002, Geologic map of the Sauk River 30- and Earth Resources Open File Report 90-15, by 60-minute quadrangle, Washington: U.S. 40 p., 1 plate. [http://www.dnr.wa.gov/ Geological Survey Geologic Investigations Series Publications/ger_ofr90-15_geol_map_ Map I-2592, 2 sheets, scale 1:100,000, with 67 p. couleedam_100k.zip] text. [http://pubs.er.usgs.gov/usgspubs/i/i2592] Waggoner, S. Z., compiler, 1990, Geologic map of Tabor, R. W.; Frizzell, V. A., Jr.; Booth, D. B.; the Rosalia 1:100,000 quadrangle, Washington- Waitt, R. B., 2000, Geologic map of the Idaho: Washington Division of Geology and Snoqualmie Pass 30 x 60 minute quadrangle, Earth Resources Open File Report 90-7, 20 p., Washington: U.S. Geological Survey Geologic 1 plate. [http://www.dnr.wa.gov/Publications/ Investigations Series Map I-2538, 1 sheet, scale ger_ofr90-7_geol_map_rosalia_100k.zip] 1:100,000, with 57 p. text. [http://pubs.usgs. Walsh, T. J., compiler, 1986, Geologic map of the gov/imap/i2538/] west half of the Toppenish quadrangle, Tabor, R. W.; Frizzell, V. A., Jr.; Booth, D. B.; Washington: Washington Division of Geology Waitt, R. B.; Whetten, J. T.; Zartman, R. E., and Earth Resources Open File Report 86-3, 1 1993, Geologic map of the Skykomish River 30- sheet, scale 1:100,000, with 7 p. text. by 60-minute quadrangle, Washington: U.S. [http://www.dnr.wa.gov/Publications/ger_ofr86- Geological Survey Miscellaneous Investigations 3_geol_map_toppenish_w_100k.zip] Series Map I-1963, 1 sheet, scale 1:100,000, with Walsh, T. J., compiler, 1987, Geologic map of the 42 p. text. [http://pubs.usgs.gov/imap/i1963/] Astoria and Ilwaco quadrangles, Washington and Tabor, R. W.; Frizzell, V. A., Jr.; Booth, D. B.; Oregon: Washington Division of Geology and Whetten, J. T.; Waitt, R. B., Jr.; Zartman, R. E., Earth Resources Open File Report 87-2, 28 p., 1982, Preliminary geologic map of the 1 plate. [http://www.dnr.wa.gov/Publications/ Skykomish River 1:100,000 quadrangle, ger_ofr87-2_geol_map_astoria_ilwaco_100k.zip] Washington: U.S. Geological Survey Open-File Report 82-747, 31 p., 1 sheet, scale 1:100,000.

GEOLOGIC MAPS OF WASHINGTON 4 5/12/2011 COUNTIES PER 1:100,000-SCALE QUADRANGLE

ASTORIA COULEE DAM OROVILLE SHELTON Pacific Lincoln Okanogan Mason Wahkiakum Ferry PORT ANGELES Grays Harbor Cowlitz Stevens Clallam Thurston Lewis Okanogan San Juan SKYKOMISH Grant BANKS LAKE PRIEST RAPIDS Snohomish Chelan FORKS Grant Chelan Grant Jefferson Yakima Kittitas Douglas Clallam Benton SNOQUALMIE PASS Okanogan Grays Harbor Franklin King BELLINGHAM GOLDENDALE Adams Kittitas Whatcom Klickitat Kittitas Pierce Skagit HERMISTON PULLMAN Yakima San Juan Klickitat Whitman SPOKANE CAPE FLATTERY Benton Adams Stevens Clallam HOOD RIVER Columbia Lincoln CENTRALIA Skamania Garfield Spokane Lewis Klickitat REPUBLIC TACOMA Thurston ILWACO Ferry King Pierce Pacific Okanogan Pierce CHEHALIS RIVER Stevens Thurston MOSES LAKE Mason Grays Harbor Grant RICHLAND Pacific Douglas Benton TOPPENISH Thurston Yakima Yakima Lewis MOUNT ADAMS Klickitat Klickitat Skamania CHELAN Franklin TWISP Yakima Walla Walla Chelan Lewis Chelan Douglas RITZVILLE Snohomish Okanogan MOUNT BAKER Lincoln Okanogan Whatcom Adams CHEWELAH Skagit VANCOUVER Stevens Grant Clark Pend Oreille MOUNT OLYMPUS ROBINSON MTN. Cowlitz Spokane Jefferson Okanogan Skamania Clallam CLARKSTON Whatcom WALLA WALLA Grays Harbor Skagit Asotin Mason Walla Walla Garfield Chelan Franklin Columbia MOUNT RAINIER ROCHE HARBOR Columbia Whitman Pierce San Juan Benton Lewis COLVILLE Yakima ROSALIA WENATCHEE Pend Oreille Whitman Kittitas Stevens MOUNT ST. HELENS Spokane Chelan Cowlitz CONNELL Lincoln Grant Lewis Adams Douglas Adams Skamania Franklin Clark SAUK RIVER WESTPORT Whitman Skagit Grays Harbor Columbia NESPELEM Chelan Pacific Ferry Grant Snohomish YAKIMA Walla Walla Stevens Okanogan SEATTLE Yakima COPALIS BEACH Douglas King Kittitas Grays Harbor Snohomish OMAK Kitsap Okanogan Clallam Douglas Jefferson

GEOLOGIC MAPS OF WASHINGTON 5 5/12/2011