Iowa-Illinois, Davenport sheet : reconnaissance map

Description:

Contour interval 20 feet.;"Surveyed in 1889.";Relief shown by contours and spot heights.;1 map, colored;45 x 34 cm.;1:62,500

Creator:

Geological Survey (U.S.)

Publisher:

Geological Survey (U.S.)

Provider:

University of Illinois Urbana-Champaign

Temporal Coverage:

1927

Spatial Coverage:

Illinois and Iowa

Access Rights:

Public

Format:

JPEG2000