@book{112301,
	author = {Johnson, Karl G. and Quiñones, F. and Puerto Rico Highway Authority.},
	title = {Hydraulic analyses of water-surface profiles in the vicinity of the Coamo Dam and Highway 52 Bridge, southern Puerto Rico},
	publisher = {Dept. of the Interior, U.S. Geological Survey},
	year = {1987.},
	series = {Water resources investigations report},
	address = {San Juan, P.R.}
}