Citation |
Dobbin, C.E., and Erdmann, C.E., 1955, Structure contour map of the Montana Plains: United States Geological Survey USGS Oil and Gas Maps 178-A, 1 sheet, scale 1:500,000.
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Geographic Area/Counties |
BIG HORN, BLAINE, BROADWATER, CARBON, CARTER, CASCADE, CHOUTEAU, CUSTER, DANIELS, DAWSON, FALLON, FERGUS, GALLATIN, GARFIELD, GLACIER, GOLDEN VALLEY, HILL, JEFFERSON, JUDITH BASIN, LEWIS AND CLARK, LIBERTY, MCCONE, MEAGHER, MUSSELSHELL, PARK, PETROLEUM, PHILLIPS, PONDERA, POWDER RIVER, PRAIRIE, RICHLAND, ROOSEVELT, ROSEBUD, SANDERS, SHERIDAN, STILLWATER, SWEET GRASS, TETON, TOOLE, TREASURE, VALLEY, WHEATLAND, WIBAUX, YELLOWSTONE
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