Illinois, Orion quadrangle.

Description:

Contour interval 20 feet.;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.";"Surveyed in 1930-1932";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.)|Geological Survey Division (Urbana, Ill.)

Provider:

University of Illinois Urbana-Champaign

Temporal Coverage:

1937

Spatial Coverage:

Illinois

Access Rights:

Public

Format:

JPEG2000