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by Powers, Richard B.,
Published: United States Department of the Interior, Geological Survey, 1983
Description: 1 online resource (iii, N14 pages) : illustrations, maps.
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by Spencer, Charles Winthrop, 1930-
Published: United States Department of the Interior, Geological Survey, 1983
Description: 1 online resource (iii, M10 pages) : maps.
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Petroleum Wilderness areas