Areal geology of the Little Cone quadrangle, Colorado/ contributions to economic geology - Bush, Alfred Lerner, 1919-; Marsh, O. T.; Taylor, Richard B. (Richard Bartlett), -2004 (Washington : United States Government Printing Office, 1960)
Obsahuje bibliografii a rejstřík
Keywords: geologický výzkum; geological research; Colorado; Colorado; bulletiny; information bulletins