@book{29579,
	author = {Eckel, Edwin Butt,},
	title = {Minerals of Colorado :},
	publisher = {U.S. G.P.O.,},
	year = {1961.},
	address = {Washington, [D.C.] :},
	note = {"A summary of the first 100 years of published knowledge, including the chief occurrences of 445 mineral species."}
}