Iowa-Illinois, Fort Madison quadrangle

Description:

Contour interval 20 feet.;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.";"Surveyed in 1928 and 1933.";Relief shown by contours and spot heights.;Shows roadway classification as of 1935.;1 map, colored;45 x 34 cm.;1:62,500

Creator:

Geological Survey (U.S.)

Publisher:

Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.)

Provider:

University of Illinois Urbana-Champaign

Temporal Coverage:

1936

Spatial Coverage:

Illinois and Iowa

Access Rights:

Public

Format:

JPEG2000