The Physiographic divisions of Illinois, including Provinces, Sections, and Divisions. Data are originally from ISGS Report of Investigations 129 by Leighton et al., 1948. Provinces, sections, and divisions are 'labeled' with annotation as most of the areas are not closed polygons (within Illinois). ISGS, 1993 (revised 1998).
Publisher
Illinois Geospatial Data Clearinghouse
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.