@book{25244,
	author = {Smith, George Otis,},
	title = {The classification of the public lands /},
	publisher = {Govt. Print. Off.,},
	year = {1913.},
	series = {U.S. Geological survey. Bulletin 537},
	address = {Washington,},
	note = {Includes index.},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00145164655}
}