Mapel, William Jameson
Geology and coal resources of the Buffalo-Lake De Smet area Johnson and Sheridan counties Wyoming / by William J. Mapel. -- Washington : United States Government Printing Office, 1959 - 148 p. + map. -- (Geological Survey Bulletin ; 1078).
Geología
Wyoming
55(787)
Geology and coal resources of the Buffalo-Lake De Smet area Johnson and Sheridan counties Wyoming / by William J. Mapel. -- Washington : United States Government Printing Office, 1959 - 148 p. + map. -- (Geological Survey Bulletin ; 1078).
Geología
Wyoming
55(787)