Soil map of Walworth County, Wisconsin

1940

Geological and Natural History Survey

1:63k

McHenry, Lake, Kane, Du Page, Cook, Will, Kendall counties.

1870

Campbell, R.A.

1:350k

Plate 98. Colonial and State Boundary Disputes. Maryland. Ohio - Michigan. Missouri - Iowa.

1932

Wright, John K.

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

(Continued) Railway Distance Map of the State of Illinois

1934

Leahy, J.F.

Iowa and Wisconsin.

1838

Bradford, Thomas G.

1:2m

Wisconsin Central Railroad Lands

1881

C. Colby