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Aggregate Resources 1997, 2020 and 2040
The Aggregate Resources (sand, gravel and limestone and dolomite) dataset contains three separate shape files for aggregate resources for 1997, 2020 and 2040. Each layer... -
Top of Bedrock Units
This raster dataset represents the tops of the St. Peter Sandstone, Prairie du Chien Group, Jordan Sandstone, St. Lawrence Formation, Franconia Formation, Ironton and Galesville...
