000			01237nam a2200229Ia 4500
001			251253
005			20160527185946.0
008			011004e2000 pr a gr 000 0 eng d
040			_aPUCPR
082	0	0	_221 _a553.79 _bR6961d
100	1		_aRodríguez-Martínez, Jesús. _2Local _9270689
245	1	0	_aDetection of conduit-controlled ground-water flow in northwestern Puerto Rico using aerial photograph interpretation and geophysical methods _cby Jesús Rodríguez-Martínez, and Ronald T. Richards ; in cooperation with the Puerto Rico Aqueduct and Sewer Authority.
260			_aSan Juan, P.R. _bU.S. Dept. of the Interior, U.S. Geological Survey _aDenver, CO _bBranch of Information Services [distributor] _c2000.
300			_av, 45 p. _bill., maps (some col.) _c28 cm.
504			_aIncludes bibliographical references and index.
650		0	_aGroundwater flow _zPuerto Rico. _2Local _9106124
650		0	_aAerial photography in hydrogeology _zPuerto Rico. _2Local _949534
650		0	_aGeophysics _zPuerto Rico. _2Local _9101990
650		0	_aKarst _zPuerto Rico. _2Local _9119217
700	1		_aRichards, Ronald T. _2Local _9159344
710	2		_aAutoridad de Acueductos y Alcantarillados de Puerto Rico. _2Local _956261
999			_c180588 _d180588