@book{27696,
	author = {McKnight, Edwin Thor,},
	title = {Geology of area between Green and Colorado rivers, Grand and San Juan counties, Utah,},
	publisher = {U.S. Govt. print. off.,},
	year = {1940.},
	series = {Geological Survey bulletin,},
	address = {Washington,},
	note = {At head of title: United States Dept. of the interior, Harold L. Ickes, secretary. Geological survey, W.C. Mendenhall, director.}
}