@book{58742,
	author = {Owen, Luella Agnes,},
	title = {Cave Regions of the Ozarks and Black Hills},
	publisher = {Project Gutenberg,},
	year = {2005},
	address = {Salt Lake City, UT :},
	note = {Release date is 2005-12-19},
	url = {https://www.gutenberg.org/ebooks/17354}
}