Illinois County Geologic Maps

County Maps

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. For further information and Series descriptions please click here.

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OFS 2000-3 Boone/Winnebago County Bedrock Geology
$7.50
McGarry, C.S., 2000, Bedrock Geology of Boone and Winnebago Counties, Illinois: Illinois State Geological Survey, Open File Series, OFS 2000-3, 1:100,000.
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OFS 2000-2 Boone/Winnebago County Bedrock Topography
$7.50
McGarry, C.S., 2000, Bedrock Topography of Boone and Winnebago Counties, Illinois: Illinois State Geolgical Survey, Open File Series, OFS 2000-2, 1:100,000.
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ICGM Bureau County Surfical Eolian & Outwash Sand Deposits
$7.50
Distribution of Surficial Eolian and Outwash Sand Deposits, Bureau County, Illinois: Illinois State Geological Survey, Illinois County Geologic Map, ICGM Bureau County-SS, 1:100,000. One 28.5" × 31" map sheet contains map, legends, and descriptive text. Miao, X., 2009
Quantity   
OFS 1997-13i Carroll County Aquifer Sensitivity
$7.50
Johnstone, P.D., 2003, Aquifer Sensitivity Map of Tazewell County, Illinois: Illinois State Geological Survey, Open File Series, OFS 2003-6d, 1:62,500.
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OFS 1997-13d Carroll County Bedrock Geology
$7.50
McGarry, C.S., 1997, Bedrock Geology of Carroll County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1997-13d, 1:62,500.
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OFS 1997-13e Carroll County Bedrock Topograpy
$7.50
McGarry, C.S., 1997, Bedrock Topography of Carroll County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1997-13e, 1:62,500.
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OFS 1997-13h Carroll County Data Points
$7.50
McGarry, C.S., 1997, Locations of Data Points of Carroll County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1997-13h, 1:62,500.
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OFS 1997-13j Carroll County Land Cover
$7.50
McGarry, C.S., 1997, Land Cover of Carroll County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1997-13j, 1:62,500.
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OFS 1997-13k Carroll County Potential Dolomite Resources
$7.50
McGarry, C.S. and D.A. Grimley, 1997, Potential Dolomite Resources of Carroll County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1997-13k, 1:62,500.
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OFS 1997-13b Carroll County Quaternary Deposits
$7.50
Grimley, D.A., 1997, Quaternary Deposits of Carroll County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1997-13b, 1:62,500.
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OFS 1997-13f Carroll County Shaded Relief
$7.50
McGarry, C.S., 1997, Shaded Relief of Carroll County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1997-13f, 1:62,500.
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OFS 1997-13g Carroll County Surface Slopes
$7.50
McGarry, C.S., 1997, Surface Slopes of Carroll County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1997-13g, 1:62,500.
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OFS 1997-13a Carroll County Surface Topography
$7.50
McGarry, C.S., 1997, Surface Topography of Carroll County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1997-13a, 1:62,500.
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ICGM Henry Surficial Geology
$12.50
Surficial Geology of Henry County, Illinois: Illinois State Geological Survey, Illinois County Geologic Map, ICGM Henry County-SG, 1:62,500, report, 4 p. One 42" × 35" map sheet contains map and legends; report contains descriptive text with 3 tables. Anderson, R.C., and Miao, X., 2011
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ICGM Henry Surface Topography
$7.50
LiDAR Surface Topography of Henry County, Illinois: Illinois State Geological Survey, Illinois County Geologic Map, ICGM Henry-ST, 1:62,500. One 44" × 35" map sheet; includes map, legends and descriptive text with 4 figures. Domier, J.E.J., and Luman, D.E. 2012.
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OFS 2000-8i JoDaviess County Aquifer Sensitivity
$15.00
McGarry, C.S. and M.H. Riggs, 2000, Aquifer Sensitivity Map, Jo Daviess County, Illinois: Illinois State geological Survey, Open File Series, OFS 2000-8i, 1:62,500.
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OFS 2000-8d JoDaviess County Bedrock Geology
$7.50
McGarry, C.S., 2000, Bedrock Geology Map, Jo Daviess County, Illinois: Illinois State Geological Survey, Open File Series, OFS 2000-8d, 1:62,500.
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OFS 2000-8e JoDaviess County Bedrock Topography
$7.50
McGarry, C.S. and M.H. Riggs, 2000, Bedrock Surface Topography Map, Jo Daviess County, Illinois: Illinois State Geological Survey, Open File Series, OFS 2000-8e, 1:62,500.
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OFS 2000-8h JoDaviess County Data Points
$7.50
Riggs, M.H. and C.S.McGarry, 2000, Map Showing Location of Data Points, Jo Daviess County, Illinois: Illinois State Geological Survey, Open File Series, OFS 2000-8h, 1:62,500.
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OFS 2000-8c JoDaviess County Drift Thickness
$7.50
Riggs, M.H. and C.S.McGarry, 2000, Map Showing Thickness of Quaternary Deposits, Jo Daviess County, Illinois: Illinois State Geological Survey, Open File Series, OFS 2000-8c, 1:62,500.
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OFS 2000-8j JoDaviess County Land Cover
$7.50
McGarry, C.S., 2000, Land Cover Map, Jo Daviess County, Illinois: Illinois State Geolgical Survey, Open File Series, OFS 2000-8j, 1:62,500.
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OFS 2000-8g JoDaviess County Shaded Relief
$7.50
McGarry, C.S. and M.H. Riggs, 2000, Shaded Relief Map of Bedrock Surface, Jo Daviess County, Illinois: Illinois State Geolgical Survey, Open File Series, OFS 2000-8g, 1:62,500.
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OFS 2000-8b JoDaviess County Surficial Geology
$7.50
Riggs, M.H., 2000, Surficial Geology Map, Jo Daviess County, Illinois: Illinois State Geolgical Survey, Open File Series, OFS 2000-8b, 1:62,500.
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OFS 2000-8a JoDaviess County Surface Topography
$7.50
Riggs, M.H., S. Medlin, and C.S.McGarry, 2000, Land Surface Topography Map, Jo Daviess County, Illinois: Illinois State Geolgical Survey, Open File Series, OFS 2000-8a, 1:62,500.
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ICGM Kane-3 Dimensional Geologic Model
$7.50
Three-dimensional Geologic Model, Kane County, Illinois: Illinois State Geological Survey, Illinois County Geologic Map, ICGM Kane-3D. One 27" × 33" map sheet; includes 3-D geologic model and descriptive text with figure. Abert, C.C., Dey, W.S., Davis, A.M., and Curry, B.B. 2007.
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ICGM Kane-Aquifer Sensitivity to Contamination
$7.50
Aquifer Sensitivity to Contamination, Kane County, Illinois: Illinois State Geological Survey, Illinois County Geologic Map, ICGM Kane-AS, 1:100,000. One 27" × 33" map sheet; includes map, legends and descriptive text. Dey, W.S., Davis, A.M., and Curry, B.B., 2007.
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ICGM Kane-Bedrock Geology
$7.50
Bedrock Geology, Kane County, Illinois: Illinois State Geological Survey, Illinois County Geologic Map, ICGM Kane-BG, 1:100,000. One 27" × 33" map sheet; includes map, legends and descriptive text. Dey, W.S., Davis, A. M., Curry, B., 2007
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ICGM Kane-Geologic Cross Sections
$15.00
Geologic Cross Sections, Kane County, Illinois: Illinois State Geological Survey, Illinois County Geologic Map, ICGM Kane-CS, 1:100,000. Two 27" × 33" map sheets; includes map, legends, and descriptive text. Dey, W.S., Davis, A.M., Curry, B.B., and Abert, C.C., 2007.
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ICGM Kane-Major Quaternary Aquifers
$7.50
Major Quaternary Aquifers, Kane County, Illinois: Illinois State Geological Survey, Illinois County Geologic Map, ICGM Kane-QA, 1:100,000. One 27" × 33" map sheet; includes map, legends and descriptive text. Dey, W.S., Davis, A.M., and Curry, B.B. 2007.
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OFS 1990-2f Kane County Soil Drainage
$7.50
Greenpool, M.R., 1990, Soil Drainage Characteristics of Kane County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1990-2f, 1:62,500.
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ICGM Kane Surficial Geology
$22.50
Surficial Geology of Kane County, Illinois Authors: Curry, B., Grimley, D., and Bruegger, A., 2013.
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OFS 2003-12 Lake County 3D
$15.00
Leetaru, H.E., 2003, 3-D Visualization of Bedrock Resources in Lake County, Illinois: Illinois State Geological Survey, Open File Series, OFS 2003-12, 2 sheets.
Quantity   
ICGM Lake Surface Topography
$7.50
LiDAR Surface Topography of Lake County, Illinois: Illinois State Geological Survey, Illinois County Geologic Map, ICGM Lake-ST, 1:62,500. One 37" × 33" map sheet; includes map, legend, and descriptive text with 4 figures. Domier, J.E.J., and Luman, D.E., 2013.
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OFS 1999-1e Lee County Bedrock Geology
$7.50
McGarry, C.S., 1999, Bedrock Geology of Lee County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1999-1e, 1:62,500.
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OFS 1999-1d Lee County Bedrock Topography
$7.50
McGarry, C.S., 1999, Bedrock Topography of Lee County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1999-1d, 1:62,500.
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OFS 1999-1a Lee County Data Points
$7.50
Nagy, R.J., 1999, Locations of Data Points in Lee County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1999-1a, 1:62,500.
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OFS 1999-1f Lee County Quaternary Deposits
$7.50
Nagy, R.J., 1999, Quaternary Deposits in Lee County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1999-1f, 1:62,500.
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OFS 1999-1c Lee County Shaded Relief
$7.50
Nagy, R.J., 1999, Shaded Relief in Lee County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1999-1c, 1:62,500.
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ICGM Lee County Surficial Eolian & Outwash Sand Deposits
$7.50
Distribution of Surficial Eolian and Outwash Sand Deposits, Lee County, Illinois: Illinois State Geological Survey, Illinois County Geologic Map, ICGM Lee County-SS, 1:100,000. One 28.5" × 29" map sheet contains map, legends, and descriptive text. Miao, X., 2009.
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OFS 1999-1b Lee County Surface Topography
$7.50
Nagy, R.J., 1999, Surface Topography in Lee County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1999-1b, 1:62,500.
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IPGM Madison Co - Surficial Geology
$15.00
Surficial Geology of Madison County, Illinois: Illinois State Geological Survey, Illinois Preliminary Geologic Map, IPGM Madison County-SG, 1:100,000. Authors: Grimley, D.A. and Phillips, A. C., 2006
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OFS 1995-12 McHenry County Surface Topography
$7.50
McLean, M.M., M.D. Kelly, and C.S. McGarry, 1995, Surface Topography of McHenry County: Illinois, Illinois State Geological Survey, Open File Series, OFS 1995-12, 1:62,500.
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OFS 1997-1d McLean County Bedrock Topography
$7.50
McLean, M.M., M.D. Kelly, and M.H. Riggs, 1997, Topography of the Bedrock Surface in McLean County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1997-1d, 1:100,000.
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OFS 1997-1c McLean County Data Points
$7.50
McLean, M.M. and M.H. Riggs, 1997, Locations of Data Points in McLean County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1997-1c, 1:100,000.
Quantity   
OFS 1997-1e McLean County Drift Thickness
$7.50
McLean, M.M., M.D. Kelly, and M.H. Riggs, 1997, Thickness of Quaternary Deposits in McLean County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1997-1e, 1:100,000.
Quantity   
OFS 1997-1b McLean County Extraction Operations
$7.50
McLean, M.M., M.D. Kelly, and M.H. Riggs, 1997, Extraction Operations in McLean County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1997-1b, 1:100,000.
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OFS 1997-1a McLean County Surface Topography
$7.50
McLean, M.M. and M.H. Riggs, 1997, Ground Surface Topography of McLean County, Illinois: Illinois State Geological Survey, Open File Series, OFS 1997-1a, 1:100,000.
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ICGM Monroe County Sinkhole Distribution
$12.50
Distribution and Associated Karst Features of Monroe County, Illinois: Illinois State Geological Survey, Illinois County Geologic Map, ICGM Monroe County-SD, 1:62,500, report, 12 p. One 31" × 35" map sheet; includes map, legends, and 2 figures. Panno, S.V., and Luman, D. E., 2012.
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ICGM St. Clair Surficial Geology
$15.00
Surficial Geology of St. Clair County, Illinois: Illinois State Geological Survey, Illinois County Geologic Map, ICGM St. Clair-SG, 2 sheets, 1:62,500. Two 42" × 35" map sheets; sheet 1 contains map and legends; sheet 2 contains descriptive text with 6 figures, and 3 cross sections. Grimley, D.A., and Phillips, A.C., 2011.
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OFS 2003-6d Tazewell County Aquifer Sensitivity
$7.50
Johnstone, P.D., 2003, Aquifer Sensitivity Map of Tazewell County, Illinois: Illinois State Geological Survey, Open File Series, OFS 2003-6d, 1:62,500.
Quantity   
OFS 2003-6h Tazewell County Bedrock Topography
$7.50
Johnstone, P.D., 2003, Bedrock Topography of Tazewell County, Illinois: Illinois State Geolgical Survey, Open File Series, OFS 2003-6h, 1:62,500.
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OFS 2003-6i Tazewell County Data Points
$7.50
Johnstone, P.D. and C.S. McGarry, 2003, Location of Data Points for Tazewell County, Illinois: Illinois State Geolgical Survey, Open File Series, OFS 2003-6i, 1:62,500.
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OFS 2003-6b Tazewell County Drift Thickness
$7.50
Johnstone, P.D., 2003, Thickness of Quaternary Deposits of Tazewell County, Illinois: Illinois State Geological Survey, Open File Series, OFS 2003-6b, 1:62,500.
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OFS 2003-6e Tazewell County Resource Extraction
$7.50
Johnstone, P.D., 2003, Resource Extraction and Landfill Activities of Tazewell County, Illinois: Illinois State Geological Survey, Open File Series, OFS 2003-6e, 1:62,500.
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OFS 2003-6f Tazewell County Shaded Relief
$7.50
Johnstone, P.D. and C.S. McGarry, 2003, Shaded Relief Map of Tazewell County, Illinois: Illinois State Geological Survey, Open File Series, OFS 2003-6f, 1:62,500.
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OFS 2003-6c Tazewell County Surface Slopes
$7.50
Johnstone, P.D., 2003, Surface Slopes of Tazewell County, Illinois: Illinois State Geological Survey, Open File Series, OFS 2003-6c, 1:62,500.
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OFS 2003-6a Tazewell County Surficial Geology
$7.50
Johnstone, P.D., 2003, Surficial Geology of Tazewell County, Illinois: Illinois State Geolgical Survey, Open File Series, OFS 2003-6a, 1:62,500.
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OFS 2003-6g Tazewell County Surficial Topography
$7.50
Johnstone, P.D. and C.S. McGarry, 2003, Surficial Topography of Tazewell County, Illinois: Illinois State Geological Survey, Open File Series, OFS 2003-6g, 1:62,500.
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ICGM Whiteside Surficial Geology
$12.50
Surficial Geology of Whiteside County, Illinois: Illinois State Geological Survey, ICGM Whiteside-SG, 1:62,500, report, 3 p. Authors: Anderson, R.C., and X. Miao, 2013
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