1970. 2018-04-24T19:27:36Z. 2018-04-24T19:27:36Z. Ontario. Department of Mines. Ontario Dept. of Mines. English. cartographic image. Public. Ontario, Kenora (District), and Thunder Bay (District).
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1970. 2018-07-02T18:41:10Z. 2018-07-02T18:41:10Z. Bailes, Alan H. Dept. of Mines, Resources and Environmental Management. English. cartographic image. Public. Manitoba, Sherridon Region, Flin Flon Region, and Snow Lake Region. Precambrian.
1970. 2018-05-21T17:48:28Z. 2018-05-21T17:48:28Z. Dorheim, Fred H. Iowa Geological Survey. English. cartographic image. Public. Iowa and Iowa.
1970. 2018-04-30T20:11:45Z. 2018-04-30T20:11:45Z. Geological Survey of Wyoming. Geological Survey of Wyoming. English. cartographic image. Public. Wyoming and Wyoming.
1970. 2018-04-24T19:32:24Z. 2022-12-06T16:59:13Z. Dept. of Mines. English. cartographic image. Public. Ontario, Birch Lake Region (Kenora District, Patricia Portion), and Red Lake Region (Kenora District : Lake).