SEIDERS, Victor
Cretaceous and Lower Tertiary Stratigraphy of the Gurabo and El Yunque Quadrangles, Puerto Rico / By Victor M. Seiders. -- Washington : United States Government printing Office, 1971 - 58 p. + 1 map. pleg. -- (Geological Survey Bulletin ; 1294-F).
Fecha real de registro 09-03-1972
Cretácico
Puerto Rico
Terciario
551.763(729.5)
Cretaceous and Lower Tertiary Stratigraphy of the Gurabo and El Yunque Quadrangles, Puerto Rico / By Victor M. Seiders. -- Washington : United States Government printing Office, 1971 - 58 p. + 1 map. pleg. -- (Geological Survey Bulletin ; 1294-F).
Fecha real de registro 09-03-1972
Cretácico
Puerto Rico
Terciario
551.763(729.5)