Geologic map of the east part of the Raymond Peak Roadless Area, Alpine County, California
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Miscellaneous Field Studies Map↗
Geology topics
D. A. John
Publications and source records attributed to D. A. John.
Geologic map of the Carson-Iceberg and Leavitt Lake Roadless Areas, central Sierra Nevada, California
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Miscellaneous Field Studies Map↗
Geologic map of the Freel and Dardanelles Further Planning Areas, Alpine and El Dorado counties, California
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Miscellaneous Field Studies Map↗
Preliminary geologic map of the Markleeville 15' quadrangle, California
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Open-File Report↗
Preliminary geologic map of the Freel Peak 15-minute Quadrangle, California and Nevada
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Open-File Report↗