@book{112406,
	author = {United States and Jordan, Donald G.},
	title = {Water and copper-mine tailings in Karst Terrance of Rio Tanama Basin, Puerto Rico},
	publisher = {[Water Resource Division]},
	year = {1970.},
	series = {Geological Survey : Caribbean District, Open-File Report},
	address = {Commonwealth of Puerto Rico},
	note = {Part of maps inserted.}
}