01172cam a2200289 4500 gs 68000182 DLC 20260227111422.0 700520s1968 dcuab b 000 0 eng c gs 68000182 U.S. Geol. Survey. Library DLC DLC QE75 .B9 no. 1253 QE685 .P4 Copy 2. 551.7/7 Pease, Maurice Henry, 1922- Cretaceous and Lower Tertiary stratigraphy of the Naranjito and Aguas Buenas quadrangles and adjacent areas, Puerto Rico, by Maurice H. Pease, Jr. Washington, U.S. Govt. Print. Off., 1968. iv, 57 p. illus., maps (1 fold. col. in pocket) 24 cm. Geological Survey bulletin 1253 Work done in cooperation with the Department of Industrial Research, Puerto Rico Economic Development Commission. Bibliography: p. 56-57. Geology, Stratigraphic Cretaceous. Geology, Stratigraphic Tertiary. Geology Puerto Rico. Puerto Rico. Department of Industrial Research. Geological Survey bulletin ; 1253. 30429 30429