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Start Over Author Geological Survey (U.S.) Year 1893 Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Illinois, Dunlap sheet

Maps University Of Illinois Urbana Champaign Public content
1893. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1891.";Relief indicated by contours.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.).

2. Illinois, Hennepin sheet

Maps University Of Illinois Urbana Champaign Public content
1893. Geological Survey (U.S.). 1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.).

3. Illinois, Lacon sheet

Maps University Of Illinois Urbana Champaign Public content
1893. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1891.";Relief indicated by contours.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.).

4. Illinois, Metamora sheet

Maps University Of Illinois Urbana Champaign Public content
1893. Geological Survey (U.S.). Surveyed in 1891.;Relief indicated by contours.;Contour interval 10 feet.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.).