@book{93159,
	author = {Lohman, Stanley William, and Stacy, John R.},
	title = {The Geologic Story of Colorado National Monument :},
	publisher = {Project Gutenberg,},
	year = {2016},
	address = {Salt Lake City, UT :},
	note = {Release date is 2016-06-14},
	url = {https://www.gutenberg.org/ebooks/52325}
}