County Maps

Map of Illinois showing counties that have been mapped.

County mapping is carried out at the ISGS under a variety of programs. The programs exist for different purposes and require different levels of scientific review. Maps are published in specific Series based on the program under which they were created and the corresponding level of review. The links on this page access all downloadable county-scale maps except Coal, Oil, and Gas, which are maintained separately. Please use the Coal Maps and Oil and Gas Maps links to access those maps.

The ISGS Library page provides links to catalogs of ISGS maps and publications.

St Clair Surficial Geology ...
Tazewell Aquifer Sensitivity 2003 Tazewell county Aquifer map
Tazewell Bedrock Topography 2003 Tazewell County Bedrock Map
Tazewell Data Points 2003 Tazewell County Data Points
Tazewell Quaternary Deposits 2003 Tazewell County Drift Thickness
Tazewell Shaded Relief 2003 Tazewell County Shaded Relief
Tazewell Surface Slopes 2003 Tazewell County Surface Slopes
Tazewell Surface Topography 2003 Tazewell County Surface Topography
Tazewell Surficial Geology 2003 Tazewell Surficial Map
Tazewell Extraction Operations 2003 Tazewell County Resource Extraction

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Purchase this map online through Shop ISGS*, or contact the Sales and Information Office for more information.

*excludes EDMAP Series