Geologic map and coal resources of the Thompson Creek area, Big Horn County, Montana [cartographic material] / by W.J. Mapel and J.K. Griffith

Author: Mapel, W. J. (William Jameson), 1922-
Published: Reston, Va. : U.S. Geological Survey, 1981.
Physical Description: 1 map ; 86 x 81 cm + 4 maps, coal sections, and tables on sheet 110 x 86 cm.
Additional Creators: Griffith, Jean K. and Geological Survey (U.S.)