Robert Carl Pearson

5 books

Mineral Resources of an Area Near the Popo Agie Primitive Area, Fremont County, Wyoming: Usgs Bulletin 1391-A

by Robert Carl Pearson

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Mineral Resources of the Popo Agie Primitive Area, Fremont and Sublette Counties, Wyoming: Bulletin 1353-B

by Robert Carl Pearson

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Mineral resources of the Indian Peaks study area, Boulder and Grand Counties, Colorado

by Robert Carl Pearson

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Mineral resources of the Popo Agie Primitive Area, Fremont and Sublette Counties, Wyoming, (Geological Survey bulletin 1353-B. Studies related to wilderness--primitive areas)

by Robert Carl Pearson

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Eocene rocks in northeast Washington--radiometric ages and correlation: The genetic relations among numerous patches of volcanic rocks (Geological Survey bulletin ; 1433)

by Robert Carl Pearson

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