@book{276427,
	author = {United States.},
	title = {Carlsbad Caverns /},
	publisher = {National Park Service, U.S. Department of the Interior,},
	year = {[2017]},
	address = {[Washington, D.C.] :},
	edition = {Last updated 2017.},
	note = {Shipping list no.: 2017-0365-P.}
}