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Start Over Year 1914 Publisher State Geological Survey (Urbana, Ill.) Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Illinois, Centralia quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1914. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1908 and 1912.";"Surveyed in cooperation with the State of Illinois.";Relief indicated by contours and spot ... Geological Survey (U.S.) and State Geological Survey (Urbana, Ill.).

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