@book{26104,
	author = {Coffin, R. C. and Tieje, Arthur Jerrold,},
	title = {Preliminary report on the underground waters of a part of southeastern Colorado,},
	publisher = {Eames brothers, state printers,},
	year = {1921.},
	address = {Denver, Col.,},
	note = {At head of title: Colorado Geological survey, R. D. George, state geologist.}
}