• Great Lakes Mapping Coalition
Program Overview of the Michigan Central Great Lakes Geologic Mapping Coalition

• Quaternary Geology Map of Michigan 
Glacial impacts during the Quaternary Period

• Coal Basin Map of Michigan 
Coal Basin extent and Abandoned Coal Mine locations

• Bedrock Geology 
Bedrock map of Michigan 8 1/2 X 11

• Bedrock Geology 
Bedrock map of Michigan 17 X 22

• Bedrock Geology 
Bedrock map of Michigan 34 X 44

• Niagaran Unitization Agreements

• Richfield Unitization Agreements

• Land Acquisition Sources - Maps with Codes

• Land Acquisition Sources - Maps with Area Fills
Maps with Area Fills

• Antrim Unitization Agreements

• Detroit River Unitization Agreement

• Prairie Du Chien Unitization Agreements

• Other Unitization Agreements

• Unitization Agreement Boundaries

• Petroleum Product Pipelines 
Pipelines

• Michigan Natural Gas 
Natural Gas

• Gas Utility Service Areas 
Gas Supply

• Oil & Gas Wells 
Wells

• MDNR Project Boundaries

• Granted and Acquired Easements

• Land Acquisition Sources

• Land and Mineral Ownership

• Mineral Lease Nominations

• Mineral Lease Information