Mono Lake, showing calcium carbonate “tufa tower” formations that originally formed beneath the lake but are now exposed after the water level dropped. The eastern flank of the Sierra Nevada range is shown in the background. (Photo by D. J. DePaolo.)
Article Images
Mono Lake, California
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"Save Our Water" Logo
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Cliff Palace, Mesa Verde
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Donner Lake, California
Donner Lake, Sierra Nevada Range, California (Photo taken by B. Lynn Ingram). |
Dust Bowl, 1930s
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Folsom Lake
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Folsom Lake, 2014
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Giant Sequoia Trunk Section
A cut section of a Giant Sequoia trunk from Tuolumne Grove, Yosemite National Park, California, showing AD dates of fires (photo courtesy of Thomas Swetnam, Laboratory of Tree-Ring Research, University of Arizona). |
Hohokam
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John Wesley Powell
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John Wesley Powell, 1869
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Lake Powell, 2006
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Lake Powell, 2009
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Lake Tahoe
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Marsh Sediment, San Francisco Bay
Frances Malamud-Roam and Anders Noren coring marsh sediments adjacent to San Francisco Bay (Photo taken by B. Lynn Ingram) |
Montezuma Well
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Montezuma’s Castle
Montezuma’s Castle, a cliff dwelling occupied by the Sinagua, located just north of Camp Verde in central Arizona. (Photo by B. Lynn Ingram.) |
Oroville Lake, 2014
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Pueblo Cliff Dwelling, Colorado
Ancient pueblo cliff dwelling at Mesa Verde, southwestern Colorado. (Photo taken by B. Lynn Ingram) |
Sacramento Valley, California
Frances Malamud-Roam, B. Lynn Ingram, and Christina Brady coring a small oxbow lake in the Sacramento Valley, California. (Photo taken by Anders Noren, University of Minnesota, LaCore curator.) |
San Francisco Bay, California
Sediment core taken by Frances Malamud-Roam and B. Lynn Ingram from beneath San Francisco Bay, California. (Photo taken by B. Lynn Ingram.) |
Shasta Lake, 1965
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The Colorado River
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West Walker River, Sierra Nevada Range
An ancient tree stump submerged in the West Walker River, eastern Sierra Nevada. (Photo courtesy of D. J. DePaolo.) |