Part of the territory served by Northern States Power Company

1926

Byllesby Engineering and Management Corporation

1:8m

Map of Iowa

1849

Mitchell, Samuel Augustus

1:1m

A Reconnoissance Of The Minnay Sotor Watapah = St. Peter's River to its sources

1835

Featherstonhaugh, G.W.

1:507k

Iowa.

1845

Tanner, Henry S.

1:2m

Wisconsin Central Railroad Lands

1881

C. Colby

Rail Road and Township Map Of Minnesota

1878

Cram, George Franklin

1:1m

Rail Road & Township Map Of Minnesota

1877

Cram, George Franklin

1:1m

Wisconsin.

1852

Grassl, J. (Joseph)

1:2m

Geological map of Wisconsin.

1878

Snyder, Van Vechten & Co.

1:2m

Minnesota

1866

Sewall, Joseph S.

1:760k