Mineral investigation of the Black Rock Wilderness Study Area, Graham County, Arizona
Ryan, G.S., 1985, Mineral investigation of the Black Rock Wilderness Study Area, Graham County, Arizona: U.S. Bureau of Mines Mineral Land Assessment Open File Report MLA 5-85, 13 p.
Authors
Ryan, G.S.
Publication Date
1985
Citation
U.S. Bureau of Mines Mineral Land Assessment Open File Report MLA 5-85, 13 p.