Maps of New Philadelphia, Illinois

Excerpts from 1956 Landform Map

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The excerpt below, from a 1956 landform map by the State Geological Survey, shows the topography surrounding the former site of New Philadelphia, which was located in the area marked in red, between the Mississippi River valley to the west and the Illinois River valley to the east. The Geological Survey based this landform map primarily on data from quadrangle topographic maps.

1956 map excerpt

This and other historical maps are available from the University of Illinois at Urbana-Champaign's collection of historical maps of the state of Illinois and the Midwest and Northwest Territories.

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Map and Survey Index

Maintained by
Christopher Fennell