David D. Alt Books

Physical geology
Physical geology

By David D. Alt

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Roadside geology of the northern Rockies
Rocks, ice & water
Rocks, ice & water

By David D. Alt

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Roadside geology of northern California
Roadside geology of northern California

By David D. Alt

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Maps, cross-sections, diagrams, photos, and text describe the geologic foundations of Northern California.

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Roadside geology of Oregon
Roadside geology of Oregon

By David D. Alt

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Roadside geology of Washington
Roadside geology of Montana
Roadside geology of Montana

By David D. Alt

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Roadside geology of Idaho
Roadside geology of Idaho

By David D. Alt

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Northwest exposures
Northwest exposures

By David D. Alt

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Glacial Lake Missoula and Its Humongous Floods

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