OBSERVATIONS UPON THE CRETACEOUS STRATA OF THE UNITED STATES WITH REFERENCE TO THE RELATIVE POSITION OF THE FOSSILS COLLECTED BY THE MEXICAN BOUNDARY COMMISSION - HALL, JAMES (My University, 1857)
AM J SCI
Keywords: OBSERVATIONS, CRETACEOUS, STRATA, UNITED-STATES, REFERENCE, RELATIVE, POSITION, FOSSILS, COLLECTED, MEXICAN, BOUNDARY, COMMISSION; CIENCIAS DE LA TIERRA Y DEL ESPACIO; GEOLOGIA; SEDIMENTOLOGIA