@book{26701,
	author = {Rolfe, Deette, 1879-},
	title = {The Rock River country of northern Illinois,},
	publisher = {Jeffersons Printing & Stationery Co.]},
	year = {1929.},
	address = {Urbana, Ill.},
	note = {At head of title: State of Illinois.  Department of Registration and Education.}
}