Geology topics
J. R. Benham
Publications and source records attributed to J. R. Benham.
Mineral resource potential map of the West and East Palisades Roadless Areas, Idaho and Wyoming
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Miscellaneous Field Studies Map↗
Mineral resource potential map of the Ten Mile West Roadless Area, Boise and Elmore counties, Idaho
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Miscellaneous Field Studies Map↗
Mineral resource potential map of the Sky Lakes Roadless Area and Mountain Lakes Wilderness, Jackson and Klamath counties, Oregon
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Miscellaneous Field Studies Map↗
Mineral resource potential map of the Long Swamp Roadless Area, Okanogan County, Washington
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Miscellaneous Field Studies Map↗
Mineral resource potential maps of the Blue Joint Wilderness Study Area, Ravalli County, Montana, and the Blue Joint Roadless Area, Lemhi County, Idaho
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Miscellaneous Field Studies Map↗
Mineral resource potential map of part of the Ventana Wilderness and the Black Butte, Bear Mountain, and Bear Canyon Roadless Areas, Monterey County, California
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Miscellaneous Field Studies Map↗