Somonauk Quadrangle
NOTE: This is not the actual topographic map! This image depicts the area covered by the topographic map and identifies the surrounding maps. If you have additional questions contact the Information Office or call 217-244-2414.
County: DeKalb, LaSalle
Current Date: 1971
Photo Revision Date:
Archive Date: 1971
Surrounding Quads
Northwest - Waterman
North - Hinckley
Northeast - Big Rock
West - Shabbona Grove
East - Plano
Southwest - Leland
South - Sheridan
Southeast - Newark
Ordering information for Illinois State Geological Survey Publications
Updated 01/25/2010 SLD