HEARN, B. C.
Geology of the Rattlesnake quadrangle Bearpaw mountains Blaine county, Montana / by B. C. Hearn, W. T. Pecora and W. C. Swadley. -- Washington : United States Government Printing Office, 1964 - 66 p. + map. -- (Geological Survey Bulletin ; 1181-B).
Geología
Montana
55(786)
Geology of the Rattlesnake quadrangle Bearpaw mountains Blaine county, Montana / by B. C. Hearn, W. T. Pecora and W. C. Swadley. -- Washington : United States Government Printing Office, 1964 - 66 p. + map. -- (Geological Survey Bulletin ; 1181-B).
Geología
Montana
55(786)