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Blackhawk QuadrangleNOTE: 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 217-244-0933. ![]() County: Carroll, Jo Daviess Current Date: 1953 Photo Revision Date: 1975 Archive Date: 1953 This quad contains part of Mississippi Palisades State Park ![]()
Ordering information for Illinois State Geological Survey Publications.
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