Cohee, George V. 1907-
Changes in stratigraphic nomenclature by the U.S. Geological survey 1964 / by George V. Cohee and Walter S. West. -- Washington : United States Government Printing Office, 1965 - 77 p. -- (Geological Survey Bulletin ; 1224-A).
Estratigrafía
551.7
Changes in stratigraphic nomenclature by the U.S. Geological survey 1964 / by George V. Cohee and Walter S. West. -- Washington : United States Government Printing Office, 1965 - 77 p. -- (Geological Survey Bulletin ; 1224-A).
Estratigrafía
551.7