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1
The genesis of the ores at Tonopah, Nevada, By Edson S. Bastin and Francis B. Laney. [U.S. Geological Survey. Professional Paper 104.]
Published 1917“…Serial set 7267…”
Online Access
Government Document Electronic eBook -
2
Hydraulic-mining debris in the Sierra Nevada by Grove Karl Gilbert [U.S. Geological Survey. Professional Paper 105]
Published 1917“…Serial set 7267…”
Online Access
Government Document Electronic eBook