@book{181179,
	author = {Gellis, Allen C. and Autoridad de Acueductos y Alcantarillados de Puerto Rico.},
	title = {Effects of land use on upland erosion, sediment transport, and reservoir sedimentation, Lago Loíza Basin, Puerto Rico},
	publisher = {U.S. Dept. of the Interior, U.S. Geological Survey},
	year = {1999.},
	series = {Water resources investigations report},
	address = {San Juan, P.R.},
	note = {one map on 1 folded leaf laid in.}
}