@book{26332,
	author = {South Dakota Geological Survey. and South Dakota.},
	title = {The natural resources of South Dakota.},
	publisher = {The University},
	year = {[1924]},
	series = {Its Circular},
	address = {Vermillion,},
	note = {At head of title: South Dakota geological and natural history survey, Freeman Ward, state geologist.}
}