Subject: Placer mining - Yale University Library GeoBlacklight Search Results

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1. Map of the eastern part of Placer County, California : showing location of known mining claims

1903. 2022-06-03T18:04:18Z. 2022-06-03T18:04:18Z. Warner, L. F., Jr., cartographer. L.F. Warner, Jr.?. English. cartographic image. Public. California, Placer County, and Placer County (Calif.).

2. Takla, Cassiar District, British Columbia [cartographic material]

1946. 2012-06-29T13:10:11Z. 2012-07-05T13:04:51Z. Armstrong, J. E. (John Edward), 1912-. Canada Dept. of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography. English. Public. British Columbia, Takla Lake Region, Cassiar (District), and Takla Group (B.C.).