01468nam a2200337Ia 4500 130648 BIBL 20240725062703.0 aj-aanzn 851022s1964 dcu ea f 0 eng d 09793174 a 240000 W0680000 W0651500 N0183000 N0175500 (OCoLC)13465386 RBN RBN m/c OCL FRL UUM nwpr--- PUXA 4971 G4971.C5 1964 .B7 Briggs, Reginald Peter dn Local 65429 Provisional geologic map of Puerto Rico and adjacent islands by Reginald P. Briggs ; prepared in cooperation with the Commonwealth of Puerto Rico, Economic Development Administration, Industrial Research Department. Scale 1:240,000 (W 68⁰00'--W 65⁰15'/N 18⁰30'--N 17⁰55'). Washington, D.C. U.S. Geological Survey 1964. 1 map 38 x 128 cm., on sheet 83 x 140 cm., folded in envelope 30 x 24 cm. Miscellaneous geologic investigations map I-392 Local 137147 Inset: Map showing relative accuracy of parts of the geologic map. Geology Puerto Rico Maps. Local 101964 Maps Puerto Rico 1964. Local 130683 Puerto Rico Maps. Local 155382 Puerto Rico. Dept. of Industrial Research. cn Local 155382 Geological Survey (U.S.) cn Local 227708 110259 110259 0 0 0 912_729500000000000_B854P 0 ci 151858 10 10 B 2016-05-27 197443 0 912.7295 B854p 80000001548943 2016-05-27 00:00:00 r:130648 z:NCC:D 6