TY - BOOK AU - ED - Geological Survey (U.S.) TI - Cretaceous and Lower Tertiary stratigraphy of the Naranjito and Aguas Buenas quadrangles and adjacent areas, Puerto Rico PY - 1968/// CY - Washington PB - U.S. Govt. Print. Off. KW - Geology, Stratigraphic KW - Tertiary KW - fast KW - Puerto Rico N1 - One folded map in pocket, Plate 1: Generalized geologic map and schematic diagram of the Cretaceous and Lower Tertiary formations in the Naranjito and Aguas Buenas quadrangles and adjacent areas, Puerto Rico, 1957-63; Includes Bibliographical references (pages 56-57) ER -