USGS Scientific Investigations Map 2927, Sheet 1
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Scientific Investigations Map 2927 U.S. Department of the Interior Sheet 1 of 2 U.S. Geological Survey Pamphlet and CD-ROM accompany map dike 121°45' 121°15" 41°52'30" 41°52’30” 41°52’30” 41°52’30” The Peninsula Tule Lake Hovey Point Prisoners 121°30' Rock Canby Hospital 42°00' Bay Rock Gillems Captain Camp Jacks Stronghold The Canby Mount Panhandle Casuse Dome Cross Mountain Big Crack Gillem Bluff LAVA BEDS Juniper Tulelake Butte NATIONAL Gold GILLEM FAULT Digger Ross MONUMENT Box Pass Chimneys Canyon Hardin 121°45' 121°15' Panhandle Black Butte Hills Crater Devils Homestead Bonita Fleener Semi Yellow Chimneys Crater LBNM Lake Butte Whitney Twin Butte Bat Butte SCHONCHIN FLOW Sister dike 121° Schonchin 25° Three Red Rock Lakes Mount Dome Captain Jacks The Panhandle Copic 22’ Bonita Butte Sisters Stronghold dike Butte Bearpaw The Castles 30” Butte I Six Hippo Shooter Butte J Modoc Crescent Butte Pass Crater MONUMENT HEADQUARTERS Eagle Nest Red Caldwell Valentine Cave Three Sisters Butte Butte Sharp Hidden Minor Big Sand 41°45' CALLAHAN Mountain Valley Caldwell Butte Butte FLOW East 10° Island Tickner Cave Caldwell Sand 355° Antelope Butte Ice Caves Butte Well Mammoth Berthas Cupboard Crater Little H Cinder Cave I Sand Butte Bonita Butte Schonchin Butte Caldwell Butte Perez 121° Wild Tickner Butte Sharp Mountain "Railroad Butte" Chimneys 30’ Horse ("Berthas Butte") Mountain Cougar H G Lookout Kelley Butte Dock Butte Aspen Pass Tionesta Well Crater Hill 22 Indian Butte Fourmile Hill Timber Road" LDERA R Mountain "Tennant Grouse CA IM 121° Hill NORTH RIM Mount "HOFFMAN CRATER GLASS Hoffman FLOW"(north) Garner Mountain Little Glass Medicine Lake West of Kephart Kephart 22’ FLOW Hot Spot Mountain 30” Badger View of Medicine Lake volcano from northeast. Photo by Julie M. Donnelly-Nolan, 1978. Garner MEDICINE LAKE Glass Mountain Figure 1. Mountain Tamarack Peak GLASS FLOW "HOFFMAN Flat Little Schonchin Arnica FLOW" (south) Mount Spring Sink Red Shale Kephart Butte GILLEM FAULT Hoffman Medicine (siding) Sheet 1 Pumice Little Medicine Alcohol Lyons Peak 41°30' GILLEM BLUFF Stone Lake Lake Crater Sheet 2 Pumice Crystal Well Stone Springs Telephone Squaw Little Mountain Medicine Mountain Flat Peak Glass Mountain (SOUTH RIM) 330° Tamarack Paynes Undertakers Red Lake Paint Pot Springs Camp Horse Peak Snag Hill Porcupine Butte Border Mountain Hollenbeck Hill Bullseye Crater Lake G Red Cap Mountain Cinder Typhoon Mesa Cone Shotgun Black F 121° Grasshopper Peak Mountain 37’ Flat Chimney Paynes Creek Yellowjacket High Hole 30” otg Lost Spring Crater 121°45’ Giant Butte Crater LAVA BEDS Six Doe Crater Fisk Ridge Peak Shooter Sheet 1 Double Hole Crater Butte 41°30' NATIONAL Sheet 2 Papoose Stud Border Hill Hill Mountain Jot Dean BURNT LAVA FLOW Hambone Indian Spring White Horse Egg Lake Ice Cave "Vent 5" Saddle Hills Mountain DEVILS HOMESTEAD Powder Buck MONUMENT Hill Butte Harris Long Bell Snag Water Spring Station Hill Caves Deep Lost Iron Timber Crater 41°15' Well Hill 48° Harris Mountain Snell J Butte K Porcupine Round Butte Mountain East of Pondosa Timbered Crater Lava Crack Spring Dry Lake Lakin INDEX MAP SHOWING 7.5' QUADRANGLES IN MAP AREA (MAGENTA SHADING) (siding) AND AREAS OF MAP ON SHEETS 1 AND 2. MAYFIELD FAULT Hambone Island 41°45’ 41°45’ Julia Glover SCHONCHIN Flat FLOW FAULT MAYFIELD THREE SISTERS m1 Figure 2. Aerial view from east of upper part of Medicine Lake volcano, showing Glass Mountain flow in foreground, Medicine Lake within caldera in middle distance, and Mount Shasta on horizon. Photo by Julie M. Donnelly-Nolan, 1981. 41°15' 122°00' 121°30' AREA OF MAP THREE SISTERS CALLAHAN CALDWELL FLOW BUTTE 41°45' 0 5 KM Figure 5. Shaded-relief map showing place names in map area (magenta outline) and areas of map on sheets 1 and 2. Some additional place MAMMOTH names outside map area are shown on figure 4. CRATER CINDER BUTTE Cascade Range Mount Shasta bac COUGAR Modoc Plateau BUTTE K 75° 41°15' DOCK L WELL 295° dac F ASPEN FOURMILE CRATER E HILL oap 0 10 20 KM Figure 3. Shaded-relief regional location map showing size and location of map area (magenta outline) relative to Mount Shasta. 41°37’30” 41°37’30” DOME 8 DOME 7 121°45' OREGON 121°15' 42°00' CALIFORNIA rng Tulelake Hwy 97 DOME 6 Lower MOUNT Klamath HOFFMAN Lake Tule Lake Hwy 139 CRATER GLASS FLOW MEDICINE LAKE GLASS GLASS FLOW MOUNTAIN LAVA BEDS FLAT NATIONAL oag MONUMENT TAMARACK MOUNT RAINIER 41°45' MNF Visitor KNF Center Road 10 Road 15 MEDICINE RED SHALE BUTTE MEDICINE LAKE LITTLE Road 97 MOUNT LAKE VOLCANO CALDERA R Timber IM Mountain HOFFMAN DERA RIM Tennant Medicine AL . C Lake Medicine KNF Lake Stephens SNF Pass Damons 41°30' . Butte MEDICINE MOUNTAIN LITTLE GLASS SQUAW MOUNTAIN AREA OF MAP PEAK Road 49 E SNF MNF 260° D PAINT POT CRATER RED CAP MOUNTAIN 41°15' Devastated Area AREA OF MAP Hwy 89 0 10 Ml MOUNT 0 10 KM 0 10 KM ST. GRASSHOPPER HELENS Figure 4. Location map showing major roads and land management boundaries on and near FLAT Medicine Lake volcano. Magenta shading indicates area of geologic map. Major highways are LOST depicted with solid black lines; dotted lines indicate significant secondary roads. National SPRING Figure 6. Sketch map showing area of Medicine Lake volcano (magenta outline) superimposed Forests: MNF, Modoc National Forest; SNF, Shasta-Trinity National Forest; and KNF, Klamath on areas of two volcanoes in southern Washington State Cascade Range, Mount St. Helens (green D National Forest. Lava Beds National Monument is administered by National Park Service. Town shading) and Mount Rainier (yellow shading), which are shown in their correct spatial positions of Tulelake (about 1,000 residents) is largest population center within area. Boundary between C with respect to each other and at same scale as Medicine Lake volcano. "Devastated Area" is area California and Oregon is at top of map. 245° impacted by May 18, 1980 eruption of Mount St. Helens. SIX GIANT SHOOTER BUTTE DOE CRATER PEAK 121°15’ 41°30’ 41°30’ 121°45’ 121°37’30” 121°30’ 121°22’30” L C M M 115° A B B A 225° 155° 190° Base from U.S. Geological Survey 1:24,000-scale quadrangles: Captain Jacks Stronghold, Red Rock 15° SCALE 1:50 000 Geology by J.M. Donnelly-Nolan 1979-1992 Lakes, 1985 (provisional eds.); Bonita Butte, Copic, Garner Mountain, Little Glass Mountain, Schonchin 1 1/2 0 1 2 3 4 MILES Digital database and cartography by D.W. Ramsey, T.J. Felger, Butte, Sharp Mountain, Tulelake, 1988 (provisional eds.); Border Mountain, Hambone, Horse Peak, E. Lougee, and P. Bruggman Snag Hill, 1990 (provisional eds.); Caldwell Butte, Egg Lake, Hollenbeck, Kephart, Medicine Lake, 3000 0 3000 6000 9000 12000 15000 18000 21000 FEET Mount Dome, Perez, Porcupine Butte, The Panhandle, West of Kephart, White Horse, 1993; East of CALIF. Edited by Taryn A. Lindquist; digital cartographic production by 1 .5 0 1 2 3 4 5 KILOMETERS Kathryn Nimz Pondosa, Indian Spring Mountain, Timbered Crater, 1995 TRUE NORTH Lambert Conformal Conic projection MAGNETIC NORTH Manuscript approved for publication June 20, 2006 APPROXIMATE MEAN DECLINATION, 2010 CONTOUR INTERVALS 5, 10, 20, AND 40 FEET MAP LOCATION SUPPLEMENTARY CONTOUR INTERVALS 5, 10, AND 20 FEET Geologic Map of Medicine Lake Volcano, Northern California By Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government. Julie M. Donnelly-Nolan For sale by U.S. Geological Survey, Information Services, Box 25286, Federal Center, Denver, CO, 80225, 1–888–ASK–USGS 2010 Digital files available at http://pubs.usgs.gov/sim/2927/.