Old Illinois Topographic Maps

Tamaroa Illinois Quad - USGS 1975 - 23 x 30.48
Thackeray Illinois Quad - USGS 1974 - 23 x 29.64
Thompsonville Illinois Quad - USGS 1963 - 23 x 29.30
Warrensburg Illinois Quad - USGS 1982 - 23 x 31.53