Allen County

• Launch the Map Viewer

• Surficial Geology
• Drift Thickness
• Bedrock Geology
• Bedrock Topography
• Water Table Elevation

• Clay Thickness
• DEM Terrain
• Gamma Ray Logs
• iLITH Database

• Credits
• Data Download

• Related Bookstore Items

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The following data can be downloaded from this Web page:

• Gamma-ray logs in PDF format
• Gamma-ray logs in LAS format
• Metadata for new layers created for the Allen County IMS site
• Metadata for reference layers from the Indiana GIS Atlas IMS site