@book{87130,
	author = {Union Pacific Railroad Company},
	title = {Yellowstone and Grand Teton National Parks},
	publisher = {Project Gutenberg,},
	year = {2014},
	address = {Salt Lake City, UT :},
	note = {Release date is 2014-07-15},
	url = {https://www.gutenberg.org/ebooks/46291}
}