Geology and ore deposits of the Mackay region, Idaho,
Umpleby, Joseph Bertram, 1883-1967.
Geology and ore deposits of the Mackay region, Idaho, by Joseph B. Umpleby. - Washington, Govt. Print Off., 1917. - 129 p. illus., XXI pl. (part fold., part col., incl. maps. plan) diagrs. 30cm. - United States. Geological survey. Professional paper 97 .
At head of title: Department of the Interior. Three maps in pocket. Contains references.
gs 17000294
Geology--Idaho.
Ore deposits--Idaho.
QE75 / .P9 no. 97
I19.16:97
Geology and ore deposits of the Mackay region, Idaho, by Joseph B. Umpleby. - Washington, Govt. Print Off., 1917. - 129 p. illus., XXI pl. (part fold., part col., incl. maps. plan) diagrs. 30cm. - United States. Geological survey. Professional paper 97 .
At head of title: Department of the Interior. Three maps in pocket. Contains references.
gs 17000294
Geology--Idaho.
Ore deposits--Idaho.
QE75 / .P9 no. 97
I19.16:97