@book{29611,
	author = {Gray, Cliffton H.},
	title = {Geology of the Corona South quadrangle and the Santa Ana narrows area,},
	publisher = {California Division of Mines,},
	year = {1961.},
	series = {California. Division of Mines. Bulletin,  178},
	address = {San Francisco,},
	note = {Cover title: Geology and mineral resources of the Corona South quadrangle.}
}