@book{24750,
	author = {Branner, John Casper,},
	title = {The clays of Arkansas,},
	publisher = {Govt. print. off.,},
	year = {1908.},
	series = {U. S. Geological survey. Bulletin},
	address = {Washington,},
	note = {Issued also as House doc. no. 1015, 60th Cong., 2d sess.}
}