@book{10225,
	author = {Perfect, Dallas Eugene, and Sheetz, Donald Ackley,},
	title = {Physical land conditions on the Farmersburg-McGregor project, Clayton county, Iowa,},
	publisher = {[U.S. Govt. print. off.,},
	year = {1942]},
	series = {U.S. Soil conservation service. Physical land survey},
	address = {Washington, D.C.,}
}