Distribution and extent of the bedrock geologic units within Illinois. Data are as depicted on the map Bedrock Geology of Illinois (2005) by D. Kolata (compiler). ISGS, 2007.
Publisher
Illinois Geospatial Data Clearinghouse
Temporal Coverage
2005
Access Rights
Public
Format
File
Language
English
Date Added
October 21, 2023
Provenance Statement
The metadata for this resource was last retrieved from ISGS on 2025-11-17.