Mineral resources of the Black Ridge Canyons Wilderness Study Area, Mesa County, Colorado, and Grand County, Utah, and Westwater Canyon Wilderness Study Area, Grand County, Utah / by Dickerson, Robert P.

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Mineral resources of the Coal Canyon, Spruce Canyon, and Flume Canyon wilderness study areas, Grand County, Utah / by Dickerson, Robert P.

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Mineral resources of the San Rafael Swell Wilderness study areas, including Muddy Creek, Crack Canyon, San Rafael Reef, Mexican Mountain, and Sids Mountain Wilderness study areas,... by Bartsch-Winkler, S., Barton, Harlan N., Dickerson, Robert P.

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