@book{27255,
	author = {Baker, Arthur A.},
	title = {Geology of the Monument valley-Navajo mountain region, San Juan county, Utah,},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1936.},
	series = {United States.  Geological survey. Bulletin 865},
	address = {Washington,},
	note = {At head of title: United States Department of the Interior.}
}