Product Description
Umpleby, J. B.; Geology and Ore Deposits of the Mackay Region, Idaho. USGS Prof. Paper 97, Washington, GPO, 1917. Quarto, pp 129 pages, 21 plates (3 in pocket) 14 figs.
The work is complete and in the original tan title wraps. The binding is tight and pristine, the text, plates and maps are pristine. In fine condition.
Umpleby provides a detailed description of the Mackey region in southeastern Idaho, its geology, stratigraphy, mineral deposits and mines. The region ihas produced copper, lead, gold silver since the 1880s.
