. Hydraulic Mining. Alternate Title: Watkins' Pacific Coast. Created: ca. 1870. Coverage: 1865?-1880?. Digital item published 6-15-2005; updated 7-21-2008. 147 Hydraulic Mining, by Watkins, Carleton E., 1829-1916

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Keywords: ., 1865?-1880?., 1870., ca., coverage, created, digital, item, publi