McLean County
This page contains links to all downloadable maps available for the County in its entirety. Additional maps that cover smaller areas within the County may be available through the By Scale—Quadrangle link or through specific By Theme links.
Bedrock Topography
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Authors: Melisa M. McLean, Maureen D. Kelly, and Matthew H. Riggs
Description: 1:100,000 McLean County area map; 40" × 30" single map sheet; includes map, legend, descriptive text, and inset maps (2)
Year: 1997
Series: OFS 1997-1d McLean-BT
File size: 1.6 mb
Paper: $12.00
Data Points
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Authors: Melisa M. McLean and Matthew H. Riggs
Description: 1:100,000 McLean County area map; 40" × 29" single map sheet; includes map, legend, and descriptive text
Year: 1997
Series: OFS 1997-1c McLean-DP
File size: 1.0 mb
Paper: $12.00
Extraction Operations
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Authors: Melisa M. McLean, Maureen D. Kelly, and Matthew H. Riggs
Description: 1:100,000 McLean County area map; 40" × 26" single map sheet; includes map, legend, and descriptive text
Year: 1997
Series: OFS 1997-1b McLean-EO
File size: 1.1 mb
Paper: $12.00
Surface Topography
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Authors: Melisa M. McLean and Matthew H. Riggs
Description: 1:100,000 McLean County map; 43" × 26" single map sheet; includes map, legend, descriptive text and inset map
Year: 1997
Series: OFS 1997-1a McLean-ST
File size: 2.7 mb
Paper: $12.00
Thickness of Quaternary Materials
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Authors: Melisa M. McLean, Maureen D. Kelly, and Matthew H. Riggs
Description: 1:100,000 McLean County area map; 40" × 27" single map sheet; includes map, legend, descriptive text, and inset map
Year: 1997
Series: OFS 1997-1e McLean-DT
File size: 1.4 mb
Paper: $12.00
Thickness of Sand and Gravel
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Authors: Matthew H. Riggs and Curtis C. Abert
Description: 1:100,000 McLean County area map; 40" × 30" single map sheet; includes map, legend, descriptive text, and inset maps (2)
Year: 1998
Series: OFS 1997-1f McLean-SGT
File size: 1.8 mb
Paper: $12.00
Ordering information for Illinois State Geological Survey Publications
Updated 06/18/2012 SLD