01356nam a2200313Ia 4500 129703 BIBL 20240725062651.0 860325s1985 pr ab f00010 eng d gp 86012803 (OCoLC)13344390 GIS GIS GPO nwpr EVLPR I 19.42/4:83-4266 333.91 T693u I 19.42/4:83-4266 Torres González, Arturo. Local 284334 Use of surface-geophysical techniques for ground-water exploration in the Canovanas-Rio Grande area, Puerto Rico by Arturo Torres-González ; prepared in cooperation with the Department of Agriculture of the Commonwealth of Puerto Rico. San Juan, P.R. U.S. Dept. of the Interior, Geological Survey Denver, Colo. Open-File Services Section, Western Distribution Branch 1985. v, 29 p. ill., maps 28 cm. U.S. Geological Survey water resources-investigations report 83-4266 Local 182298 Bibliography: p. 28-29. Water, Under ground Puerto Rico. Local 187457 Groundwater flow Puerto Rico. Local 106124 Puerto Rico Local 155382 Puerto Rico. Dept. of Agriculture. Local 155382 Geological Survey (U.S.) Local 227708 109485 109485 0 0 0 333_910000000000000_T693U 0 ci 139837 10 10 B 2016-05-27 194845 0 333.91 T693u 80000001375032 2016-05-27 00:00:00 r:129703 z:NCC:D 6