Alton, IL

Big 4 Railroad

Milepost: 22

Big 4 Alton Depot

Alton, Illinois Union Depot

Madison County

Estimated GPS Coordinates: 38.889677,-90.185145

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Alton, Illinois Union Depot Post Card

Alton, Illinois Indianapolis and St. Louis Railroad Depot 1897 Sanborn Map

Sanborn™ Fire Insurance Map Provided Courtesy of the Map Library at the University of Illinois at Urbana-Champaign

Alton, Illinois Union Depot 1926 Sanborn Map

Sanborn™ Fire Insurance Map Provided Courtesy of the Map Library at the University of Illinois at Urbana-Champaign