SCHINER, George
Mississippian stratigraphy of northwestern Pennsylvania / by George R. Schiner and Grant E. Kimmel. -- Washington : United States Government Printing Office, 1972 - 27 p. + plan. -- (Geological Survey Bulletin ; 1331-A).
Fecha real de registro 20-06-1973
Estratigrafía - Pennsylvania
551.7(748)
Mississippian stratigraphy of northwestern Pennsylvania / by George R. Schiner and Grant E. Kimmel. -- Washington : United States Government Printing Office, 1972 - 27 p. + plan. -- (Geological Survey Bulletin ; 1331-A).
Fecha real de registro 20-06-1973
Estratigrafía - Pennsylvania
551.7(748)