@book{194819,
	author = {Kellog, Karl S. and United States},
	title = {The geologic story of Gunnison Gorge National Conservation Area, Colorado},
	publisher = {U.S. Dept. of the Interior, U.S. Geological Survey},
	year = {2004.},
	series = {Professional paper},
	address = {Reston, Va.},
	note = {Shipping list no.: 2005-0016-P.}
}