Mt. Baker stratovolcano, Washington
Mt. Baker, a glacier-covered stratovolcano of the Cascades Range in northern Washington (220830-3)
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Silhouette of Mt. Baker, a glacier-covered stratovolcano in northern Washington (220828-61)
Download ImageLower Curtis Glacier and Crevasses, Washington
Terminus of Lower Curtis Glacier on the side of Mt. Shuksan, North Cascades National Park, Washington (220828-57)
Download ImageLower Curtis Glacier and cirque, Washington
Lower Curtis Glacier and cirque carved into the side of Mt. Shuksan, North Cascades National Park, Washington (220828-56)
Download ImageHaystack rock glacial erratic, Washington
Haystack rock, a giant erratic deposited by the Continental Ice Sheet in northern Washington (161015-29)
Download ImageCretaceous Migmatite, Washington
Migmatite gneiss of the Cretaceous Chelan Mountains Terrane, Washington (161014-83)
Download ImageColumbia River near Chelan, Washington
Columbia River near Chelan, Washington (161014-81)
Download ImagePalouse Falls and CRBG, Washington (vertical)
Palouse Falls and cliffs of Columbia River Basalt Group (Wanapum overlying Grande Ronde), Washington (161012-74)(Wanapum overlying Grande Ronde), Washington (161012-76)
Download ImagePalouse Falls and CRBG, Washington
Palouse Falls and cliffs of Columbia River Basalt Group (Wanapum overlying Grande Ronde), Washington (161012-74)
Download ImageMissoula Floods slackwater deposits- “Touchet Beds”
Sediment deposited from slackwater in temporary lakes formed behind hydraulic dams during the Ice-Age Missoula Floods (160816-34)
Download ImageSheath fold in gneiss, Washington
Sheath fold in gneiss of the footwall of the Kettle dome, northern Washington (160815-28)
Download ImageMylonitic front of Okanogan Dome, Washington
Mylonitic front of Okanogan Dome, a metamorphic core complex in northern Washington (160815-1)
Download ImageEocene Sycamore leaf, Washington (square)
Eocene fossilized Sycamore leaf (Macginitiea gracilis) from Klondike Mountain Formation, Republic, Washington. Collection of Stonerose Interpretive Center (150803-58)
Download ImageOverlapping dacite domes, Black Butte, CA
Black Butte Holocene-age dacite domes, on the west side of Mt. Shasta in the Cascade Range, California (221215-2)
Download ImageVolcanic rock of Pinnacles NP, California
Cliffs of Oligocene felsic volcanic rocks of Pinnacles National Park, a piercing point on the San Andreas Fault, California (221214-22)
Download ImageVolcanic rock of Pinnacles NP, California (vertical)
Cliffs of Oligocene felsic volcanic rocks of Pinnacles National Park, a piercing point on the San Andreas Fault, California (221214-21)
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Desert Wash, Mojave Desert, SE California
Lone hiker in Virgin Spring Canyon, Death Valley National Park, California (221211-6)
Download ImageQuaternary lakebeds and Cambrian section, SE Cal
Quaternary Tecopa Lakebed deposits and Paleozoic (Cambrian) sedimentary rock (mostly limestone) of the Resting Spring Range, Shoshone, California (221210-28)
Download ImageTufa pinnacles, California
Tufa pinnacles, precipitated in Pleistocene (pluvial) Searles Lake. Trona Pinnacles, Trona, California. (221102-49)
Download ImageTufa closeup
Closeup of tufa, precipitated in Pleistocene (pluvial) Searles Lake. Trona Pinnacles, California. (221102-44)
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