@book{103465,
	author = {Mattison, Ray H., and Grom, Robert A.},
	title = {The History of Badlands National Monument and the White River (Big) Badlands of South Dakota},
	publisher = {Project Gutenberg,},
	year = {2020},
	series = {Badlands Natural History Association Bulletin No. 1},
	address = {Salt Lake City, UT :},
	note = {Release date is 2020-07-14},
	url = {https://www.gutenberg.org/ebooks/62641}
}