@book{54391,
	author = {Patchin, Frank Gee,},
	title = {The Pony Rider Boys in the Grand Canyon; Or, The Mystery of Bright Angel Gulch},
	publisher = {Project Gutenberg,},
	year = {2004},
	series = {The Pony Rider Boys, number 7},
	address = {Salt Lake City, UT :},
	note = {Release date is 2004-07-22},
	url = {https://www.gutenberg.org/ebooks/12997}
}