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1644
Collection of sand and gravel information for Lake County, Indiana
Unpublished
Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Courtesy Indiana Geological and Water Survey
Bedrock topography, Drift thickness map, Geologic map, Gravel, Sand, Site report
Data
14
26 March 2020
SG_Lake.pdf
Lake County