@book{26427,
	author = {Sears, Julian D.},
	title = {Geology and coal resources of the Gallup-Zuni basin, New Mexico,},
	publisher = {Govt. print. off.,},
	year = {1925.},
	series = {U.S. Geological survey. Bulletin},
	address = {Washington,},
	note = {At head of title: Department of the interior.}
}