Iowa-Illinois, East Dubuque quadrangle

Description:

Surveyed in 1935;Contour interval 20 feet.;Relief shown by contours and spot heights.;1 map, colored;46 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:

1940

Spatial Coverage:

Illinois and Iowa

Access Rights:

Public

Format:

JPEG2000