000			01337nam a2200241Ia 4500
001			252088
005			20200624062623.0
008			011024e1999 xxuac gr 000 0 eng d
040			_aPUCPR
082	0	0	_221 _a627.86 _bE275
245	0	0	_aEffects of land use on upland erosion, sediment transport, and reservoir sedimentation, Lago Loíza Basin, Puerto Rico _cby Allen C. Gellis ... [et al.] ; 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) _c1999.
300			_avii, 60 p. _bill., maps (some col.) _c28 cm.
490		0	_aWater resources investigations report _v99-4010 _2Local _9187441
500			_aone map on 1 folded leaf laid in.
504			_aIncludes bibliographical references and index.
650		0	_aLand use, Rural _zPuerto Rico _zCarraízo Reservoir Watershed. _2Local _9122764
650		0	_aSedimentation and deposition _zPuerto Rico _zCarraízo Reservoir Watershed _2Local _9167391
650		0	_aReservoir sedimentation _zPuerto Rico _zCarraízo Reservoir Watershed. _2Local _9158645
700	1		_aGellis, Allen C. _2Local _9101723
710	2		_aAutoridad de Acueductos y Alcantarillados de Puerto Rico. _2Local _956261
710			_aGeological Survey (U.S.) _2Local _9227708
999			_c181179 _d181179