1950 Map of Alton
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1950 Map of Alton

USGS Topo · Published 1950

About this map

Alton serves as a major river-and-rail hub in the mid-century, dominated by the expansive industrial and academic infrastructure along the Mississippi River. The map reveals a high concentration of educational institutions, ranging from the historic Monticello Seminary in Godfrey to Shurtleff College and the Western Military Academy in the city’s upper reaches. The riverfront is a hive of activity, featuring Lock and Dam No 26 and the Lewis and Clark Toll Bridge, which connects Illinois to the Portage Des Sioux region in Missouri.


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Map Details

Date Portrayed1950
Date Published1950
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

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Source Details

CopyrightPublic Domain