26 maps ; 58 x 41 cm + 1 text (iv, 26 leaves ; 28 cm.)
OCLC
ocm08543303
Cartographic Data
Scale 1:24,000
(W 105⁰52'30"--W 105⁰45'00"/N 45⁰07'30"--N 45⁰00'00").
Text title: Coal resource occurrence and coal development potential maps of the Moorhead quadrangle, Powder River County, Montana and Campbell County, Wyoming.
"Compiled in 1979."
Microfiche. [Denver, Colo. : U.S. Geological Survey, 1982?]. 6 microfiche ; 11 x 15 cm.
Includes bibliography, data sheet, ill. and location maps.