Maps

The Illinois State Geological Survey creates and disseminates a variety of free and for-fee geologic maps and map-related data. Following is a list of links to maps, data, and mapping program information available from this and affiliated Web sites.

Maps Available for Purchase

ISGS paper and CD/DVD map products
USGS Topographic Maps (Index)

Downloadable Maps

By Scale

Quadrangle (1:24,000 scale)
County
State

By Series

Illinois Preliminary Geologic Map Series (IPGM)
Illinois County Geologic Map Series (ICGM)
Illinois Geological Quadrangle Series (IGQ)
Illinois Map Series (I-Map)
Open File Series (OFS)

By Theme

Bedrock
Coal
Hydrogeology
Oil and Gas (ILOIL)
Surficial Geology and Features

By Program

Central Great Lakes Geologic Mapping Coalition
EDMAP
STATEMAP

Map-based Data

Gamma-ray log database
Historical aerial photographs (ILHAP)
Illinois Natural Resources Geospatial Data Clearinghouse
Water-well data
Well location (QuEStoR) maps and data extracts
Well log copying services (fee)

ISGS Mapping and Partnership Programs

ISGS Mapping Program

Central Great Lakes Geologic Mapping Coalition
Central U.S. Earthquake Consortium State Geologists
EDMAP
MIDCARB
STATEMAP
U.S. Geological Survey National Atlas Program Information

Miscellaneous Mapping Information

Three-Dimensional Mapping Workshops
Report Archive

ILLINOIS STATE GEOLOGICAL SURVEY
INSTITUTE OF NATURAL RESOURCE SUSTAINABILITY     |    UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN

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