@book{29272,
	author = {Kellogg, Charles E. and United States.},
	title = {Soil survey manual /},
	publisher = {U.S. Dept. of Agriculture,},
	year = {1937.},
	series = {Miscellaneous publication / United States Department of Agriculture ;},
	address = {Washington :},
	note = {Caption title.},
	url = {http://catalog.hathitrust.org/api/volumes/oclc/809414.html}
}