@book{99388,
	author = {Alberts, Edwin C.},
	title = {Rocky Mountain National Park, Colorado},
	publisher = {Project Gutenberg,},
	year = {2018},
	series = {United States. National Park Service. Natural history handbook series, no. 3},
	address = {Salt Lake City, UT :},
	note = {Release date is 2018-12-28},
	url = {https://www.gutenberg.org/ebooks/58561}
}