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Start Over Publisher U.S. Dept. of the Interior, Geological Survey Year 1940

1. Elk Ridge, Utah

Yale Public content
1940. 2011-06-01T14:48:15Z. 2015-10-21T15:00:12Z. Geological Survey (U.S.). U.S. Dept. of the Interior, Geological Survey. English. Public. Elk Ridge Region (Utah) and San Juan County (Utah).

2. Idaho Mackay quadrangle

Yale Public content
1940. 2011-05-23T13:59:14Z. 2015-10-21T14:59:38Z. U.S. Dept. of the Interior, Geological Survey. English. Public. Blaine County (Idaho), Butte County (Idaho), Custer County (Idaho), and Idaho.

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