01000nam a22002657a 4500 Geological Survey (U.S.) issuing body. 227708 257895 257895 000980514 OSt 20200624062631.0 cr bn 140926s1966 dcua ob f000 0 eng c (OCoLC)891382572 COP eng COP OCLCO rda Biblioteca Encarnacion Valdes 0620 | 19.3:1244-C | 19.3:1244-C 1922- Arthur Edward Cretaceous and Tertiary rocks in the Corozal quadrangle, northern Puerto Rico by Arthur E. Nelson ; prepared in cooperation with the Economic Development Administration of Puerto Rico. [Washington, D.C.] United States Department of the Interior, Geological Survey, 1966 Title from title screen (viewed September 15, 2014). Includes Bibliographical references (page 20). 101964 Geology Puerto Rico ddc 17