Subject: MT - Yale University Library GeoBlacklight Search Results

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21. Maps showing formation temperatures and configurations of the tops of the Minnelusa Formation and the Madison Limestone, Powder River Basin, Wyoming, Montana, and adjacent areas [cartographic material]

1979. 2014-09-15T20:29:15Z. 2014-09-30T22:05:01Z. Head, William J. U.S. Geological Survey. English. Public. Powder River Basin (Wyo. and Mont.) and U.S.

22. Reconnaissance geologic map of the Big Fork-Avon environmental study area, Flathead, Lake, Lewis and Clark, Missoula, and Powell counties, Montana [cartographic material]

1982. 2016-01-06T18:26:48Z. 2016-07-13T21:10:12Z. Witkind, Irving Jerome, 1917-. The Survey. English. cartographic image. Public. Montana, Flathead County, Lake County, Lewis and Clark County, Missoula County, Powell County, U.S., Flathead County., Lake County., Lewis and Clark County., Missoula County., and Powell County.