@book{100969,
	author = {Chronic, John, and Chronic, Halka,},
	title = {Prairie, Peak, and Plateau: A Guide to the Geology of Colorado},
	publisher = {Project Gutenberg,},
	year = {2019},
	series = {Colorado Geological Survey bulletin 32},
	address = {Salt Lake City, UT :},
	note = {Release date is 2019-08-21},
	url = {https://www.gutenberg.org/ebooks/60143}
}