HYDRAULIC-MINING DEBRIS IN THE SIERRA NEVADA
Washington DC: Government Printing Office, 1917. First Edition. Original wrappers. 154 pp. Illustrated with 43 plates (halftones, tables and graphs); illustrations and maps in text and folding map of Yuba River. Index. Original wrappers. 9" x 11 1/2". Department of the Interior/ United States Geological Survey. Professional Paper 105. This..... More