Geology of the Lloyd quadrangle, Bearpaw Mountains, Blaine County, Montana : contributions to general geology - Schmidt, Robert George; Pecora, W. T. (William Thomas), 1913-1972; Bryant, Bruce, 1930-; Ernst, W. G. (Wallace Gary), 1931- (Washington : United States Government Printing Office, 1961)
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Keywords: geologický výzkum -- Spojené státy americké; geological research -- United States; Montana; Mont. (stát USA); bulletiny; information bulletins