Dresher, W.H., 1975, 1974-1975, Annual report: Arizona Bureau of Mines, 7 p. [now available as Arizona Geological Survey Open-File Report 75-1]. Authors Dresher, W.H. Publication Date 1975 Citation Arizona Bureau of Mines, 7 p. [now available as Arizona Geological Survey Open-File Report 75-1]. State AZ Keywords History More Keywords History, AzGeoBib RefNum 14098