@book{99748,
	author = {Mattes, Merrill J.,},
	title = {Scotts Bluff National Monument, Nebraska},
	publisher = {Project Gutenberg,},
	year = {2019},
	series = {National Park Service Historical Handbook Series No. 28},
	address = {Salt Lake City, UT :},
	note = {Release date is 2019-02-20},
	url = {https://www.gutenberg.org/ebooks/58922}
}