northwest coast of Puerto Rico Percious, Donald J. creator University of Puerto Rico Mayaguez Campus Water Resources Research Institute. United States Office of Water Resources Research. text bibliography pr Mayaguez, P.R Water Resources Research Institute, University of Puerto Rico, Mayaguez Campus, School of Engineering [1971] 1971 monographic eng

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48 leaves ill., maps, photos 28 cm. by Donald J. Percious. "Final report"--Cover. Supported in part by the U.S. Dept. of the Interior under the Water Resources Research Act of 1964, Public Law 88-379; project A-029-PR. "November, 1971." "March 1972"--Cover. "UPRICO/WRRI/FR/71/29/1." Bibliography: leaves 46-48. nwpr--- Springs Puerto Rico Groundwater flow Puerto Rico Puerto Rico UDI 860221 20160527192451.0 65856