Soil map of Walworth County, Wisconsin

1940

Geological and Natural History Survey

1:63k

Railroad Connections of the Tri-Cities (Davenport, Moline, Rock Island) with Chicago, St. Louis.

1894

Huebinger, M. & Co.

Wisconsin.

1842

Tanner, Henry S.

1:1m

Wisconsin.

1846

Mitchell, Samuel Augustus

1:1m

Illinois

1885

Bradstreet Company

1:6m

Iowa and Wisconsin.

1838

Bradford, Thomas G.

1:2m

Wisconsin Central Railroad Lands

1881

C. Colby

State of Illinois.

1878

U.S. General Land Office

1:887k

County Seats in Illinois

1866

Larrance, Isaac, 1804-1896

1:5m

Illinois

1931

National Geographic Society

1:2m