@book{26091,
	author = {Aurand, Harry A.},
	title = {... Mineral deposits of the western slope,},
	publisher = {Eames bros., state printers},
	year = {[1920]},
	series = {Colorado.  Geological survey.  Bulletin 22},
	address = {Denver, Col.,},
	note = {At head of title: Colorado Geological survey, Boulder, R. D. George, state geologist ...}
}