@book{45105,
	author = {Hough, Emerson,},
	title = {The Passing of the Frontier: A Chronicle of the Old West},
	publisher = {Project Gutenberg,},
	year = {2002},
	address = {Salt Lake City, UT :},
	note = {Chronicles of America series; v. 26},
	url = {https://www.gutenberg.org/ebooks/3033}
}