Wilderness mineral potential : assessment of mineral-resource potential in U.S. Forest Service lands studied, 1964-1984. Volume 1 - Marsh, Sherman P., 1935-; Kropschot, S. J. (Susan J.); Dickinson, R. G. (Robert G.) (Washington : United States Government Printing Office, 1984)
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Keywords: geologie; geology; bulletiny; information bulletins