1968. 2012-01-30T20:41:14Z. 2012-03-05T17:37:35Z. Mudge, Melville Rhodes, 1921-. U.S. Geolgocial Survey. English. Public. Montana, Teton County, and Lewis and Clark County.
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2. Geologic map of the Hatfield Mountain quadrangle, Gallatin County, Montana [cartographic material]
1968. 2012-02-15T18:33:03Z. 2012-03-05T17:41:14Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Montana and Gallatin County.
1968. 2012-10-11T18:45:13Z. 2022-12-08T04:40:56Z. Schmidt, Robert George. U.S. Geological Survey. English. Public. Montana and Lewis and Clark County.
