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De Long 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 217-244-0933.
County: Knox
Current Date: 1982
Photo Revision Date:
Archive Date: 1982
| Galesburg West | Galesburg East | Appleton |
| Abingdon | DE LONG | Maquon |
| Avon | London Mills | Fairview |
Ordering information for Illinois State Geological Survey Publications.
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