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.

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Displaying 31 - 40 of 86
Map Images Title Description Theme Series County Publication Date Authors
Geology of Massac County, Illinois, map thumbnail, sheet 1 Geology of Massac County, Illinois, map thumbnail, sheet 2 Geology of Massac County, Illinois

Two 36" x 36" map sheets; sheet 1 contains map, legends, 2 inset maps, and 1 figure; sheet 2 includes 1 geologic column, legend, and 2 cross sections.

 Bedrock Geology Massac 2022 W. John Nelson, F. Brett Denny, Joseph A. Devera, Jeremy R. Breeden
Geology of Pulaski County, Illinois, map thumbnail, sheet 1 Geology of Pulaski County, Illinois, map thumbnail, sheet 2 Geology of Pulaski County, Illinois

Two 30" x 34" map sheets; sheet 1 contains map, legends, and 1 figure; sheet 2 includes 1 geologic column, legend, and 2 cross sections.

 Bedrock Geology Pulaski 2022 W. John Nelson, F. Brett Denny, Joseph A. Devera, Jeremy R. Breeden
Ground Surface Topography of McLean County Ground Surface Topography of McLean County, Illinois

1:100,000 McLean County map; 43" x 26" single map sheet; includes map, legend, descriptive text and inset map

 Surface Topography Open File Series (OFS) McLean 1997 Melisa M. McLean, Matthew H. Riggs
Karst of the Driftless Area of Jo Daviess County, Illinois

One 42" x 35" map sheet, accompanies Circular 586; contains map, legend, descriptive text, and 2 figures. 

 Karst Terrain Jo Daviess 2017 Samuel V. Panno, Donald E. Luman, Walton R. Kelly, Timothy H. Larson, Steven J. Taylor
Land Cover Map, Jo Daviess County Land Cover Map, Jo Daviess County, Illinois

1:62,500 Jo Daviess County map; 41" x 29" single map sheet; includes map, legend, and descriptive text

 Land Cover Open File Series (OFS) Jo Daviess 2000 Christopher S. McGarry
Land Cover of Carroll County Land Cover of Carroll County, Illinois

1:62,500 Carroll County map; 37" x 27" single map sheet; includes map, legend, and descriptive text

 Land Cover Open File Series (OFS) Carroll 1997 Christopher S. McGarry
Land Surface Topography Map, Jo Daviess County Land Surface Topography Map, Jo Daviess County, Illinois

1:62,500 Jo Daviess County map; 41" x 29" single map sheet; includes map, legend and descriptive text

 Surface Topography Open File Series (OFS) Jo Daviess 2000 Matthew H. Riggs, Scott Medlin, Christopher S. McGarry
LiDAR Surface Topography of Champaign County LiDAR Surface Topography of Champaign County, Illinois

One 43" x 41" map sheet; contains map, legends, descriptive text, and 4 figures.

 Surface Topography Illinois County Geologic Map Series (ICGM) Champaign 2014 Jane E. Johnshoy Domier, Donald E. Luman
LiDAR Surface Topography of DuPage County LiDAR Surface Topography of DuPage County, Illinois

One 32" x 33" map sheet; contains map, legends, descriptive text, and 4 figures.

 Surface Topography Illinois County Geologic Map Series (ICGM) DuPage 2014 Jane E. Johnshoy Domier, Donald E. Luman
LiDAR Surface Topography of Henry County LiDAR Surface Topography of Henry County, Illinois

One 44" x 35" map sheet; includes map, legends and descriptive text with 4 figures

 Surface Topography Illinois County Geologic Map Series (ICGM) Henry 2012 Jane E. Johnshoy Domier, Donald E. Luman