Old Illinois Topographic Maps

Carthage East Illinois Quad - USGS 1974 - 23 x 30.07
Colchester Illinois Quad - USGS 1974 - 23 x 31.36
Decatur Illinois Quad - USGS 1975 - 23 x 29.90
Doddsville Illinois Quad - USGS 1974 - 23 x 30.77
Du Quion Illinois Quad - USGS 1975 - 23 x 30.30
Eberle Illinois Quad - USGS 1985 - 23 x 31.29
Elkville Illinois Quad - USGS 1968 - 23 x 30.04
Enfield Illinois Quad - USGS 1974 - 23 x 30.16
Erwin Illinois Quad - USGS 1981 - 23 x 29.91
Fandon Illinois Quad - USGS 1974 - 23 x 31.38
Forsyth Illinois Quad - USGS 1967 - 23 x 30.68
Fountain Green Illinois Quad - USGS 1974 - 23 x 30.68