Johnson, V.H., 1941, Geology of the Helvetia mining district, Pima County, Arizona: Tucson, University of Arizona, Ph.D. dissertation, 111 p.
Authors
Publication Date
1941
Citation
Tucson, University of Arizona, Ph.D. dissertation, 111 p.
State
AZ
Province
BR
County
PM
Placenames
Keywords
More Keywords
Mineral District, Areal, Structure, Stratigraphy, Porphyry Copper, Skarn, Copper, Lead, Zinc, Silver, Molybdenum, Tungsten,
AzGeoBib RefNum
4999