@book{51821,
	author = {Union Pacific Railway Company.},
	title = {The resources and attractions of Colorado for the home seeker, capitalist and tourist.},
	publisher = {Woodward & Tiernan Printing Co.,},
	year = {1891.},
	address = {St. Louis,},
	edition = {4th ed.},
	note = {Cover-title: Colorado.  A complete and comprehensive description ...}
}