1939. 2021-10-08T18:49:43Z. 2021-10-09T03:01:53Z. Geological Survey (U.S.). U.S. Geological Survey. English. cartographic image. Public. Salt Lake County (Utah), Wasatch County (Utah), Utah County (Utah), Utah, Salt Lake County., Utah County., and Wasatch County.
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1903. 2021-10-08T18:56:35Z. 2022-07-15T21:38:10Z. Geological Survey (U.S.). U.S. Geological Survey. English. cartographic image. Public. Summit County (Utah), Wasatch County (Utah), Salt Lake County (Utah), Utah, Salt Lake County., Summit County., and Wasatch County.