This file contains data from the ODNR's Statewide Aquifer Mapping Project(SAMP) for consolidated bedrock aquifers.
The aquifers in these coverages for the Oak Openings GIS database are of Devonian, Mississippian, and Silurian
age.  The file also contains ODNR supplimental information and layer files with set symbology for water yield.
The metadata given in the link is for the Mississippian bedrock aquifer.  The metadata for the other coverages
is located with the respective data.