Easton, William H. 1916-1996
Carboniferous formations and faunas of Central Montana / by W. H. Easton. -- Washington : United States Government Printing Office, 1962 - 126 p., [13] h. de lam. + 1 map. -- (Geological Survey Professional Paper ; 348).
Carbonífero
Estratigrafía
Montana
Paleontología
551.735(786) ; 56(786)
Carboniferous formations and faunas of Central Montana / by W. H. Easton. -- Washington : United States Government Printing Office, 1962 - 126 p., [13] h. de lam. + 1 map. -- (Geological Survey Professional Paper ; 348).
Carbonífero
Estratigrafía
Montana
Paleontología
551.735(786) ; 56(786)