Subject: Silver mines and mining / Year: 1870 - Yale University Library GeoBlacklight Search Results

Start Over Subject Silver mines and mining Year 1870

1. Map of the Iron River silver district, Ontonagon County, Mich

1870. 2018-12-20T19:27:53Z. 2019-02-20T15:27:59Z. Longyear, John Munro, 1850-1922, cartographer. Mathews & Longyear. English. cartographic image. Public. Michigan, Ontonagon County., and Ontonagon County (Mich.).

2. Plan of survey of the silver mining district, Thunder Bay, Lake Superior, Canada

1870. 2011-02-07T19:05:09Z. 2019-02-20T15:28:38Z. Savigny, Hugh P., cartographer. publisher not identified,Copp, Clark & Co., lith. English. cartographic image. Public. Ontario and Thunder Bay Region.