| AGR: Archean Granite Gneissic |
| ANT: Antrim Shale |
| AUM: Archean Ultramafic |
| AVS: Archean Volcanic Sedimentary |
| BAY: Bayport Limestone |
| BBF: Bois Blanc Formation |
| BBG: Burnt Bluff Group |
| BDG: Badwater Greenstone |
| BED: Bedford Shale |
| BER: Berea Sandstone Bedford |
| BHD: Big Hill Dolomite |
| BIF: Bijiki Iron Formation |
| BIG: Bass Island Group |
|
| BLS: Bell Shale |
| BRG: Black River Group |
| CHC: Copper Harbor Conglomerate |
|
| CHO: Chocolay Group |
| CHS: Cabot Head Shale |
| CSM: Collingwood Shale Member |
| CWT: Coldwater Shale |
| DCF: Dunn Creek Formation |
| DDL: Dundee Limestone |
| DRG: Detroit River Group |
| ELL: Ellisworth Shale |
| ENG: Engadine Group |
| EVC: Emperor Vulcanic Complex |
| FSS: Freda Sandstone |
| GDQ: Goodrick Quartzite |
| GIF: Garden Island Formation |
| GRF: Grand River Formation |
|
| HEM: Hemlock Formation |
|
| IIF: Ironwood Iron Formation |
| INT: Intrusive |
| JAC: Jacobsville Sandstone |
| MAC: Macinac Breccia |
| MAR: Marshall Formation |
| MCG: Menominee Chocolay Groups |
| MGF: Michigamme Formation |
| MIF: Michigan Formation |
| MND: Manitoulin Dolomite |
| MQG: Manistique Group |
| MUN: Munising formation |
|
| NIF: Negaunee Iron Formation |
| NSF: Nonesuch Formation |
| OBF: Oak Bluff Formation |
| PAC: Point Aux Chenes Shale |
| PAF: Palms Formation |
| PDC: Prairie Du Chien Group |
| PLV: Portage Lake Volcanics |
| PRG: Paint River Group |
| QUF: Quinnesec Formation |
| QUS: Queenston Shale |
| RAD: Randville Dolomite |
| RBD: Red Beds |
|
| RIF: Riverton Iron Formation |
| SAG: Saginaw Formation |
| SAL: Salina Group |
|
| SAQ: Siamo Slate Ajibik Quartzite |
|
| SCF: Siemens Creek Formation |
| SID: Saint Ignace Dolomite |
| SSS: Sylvania Sandstone |
| STF: Stonington Formation |
| SUN: Sunbury Shale |
| TRG: Traverse Group |
| TMP: Trempealeau Formation |
| TRN: Trenton Group |
| USM: Utica Shale Member |
| 1: Water |
|
| 2: Peat and muck |
| 3: Postglacial alluvium |
| 4: Dune sand |
|
| 5: Lacustrine clay and silt |
|
| 6: Lacustrine sand and gravel |
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| 7: Glacial outwash sand and gravel and postglacial alluvium |
| 8: Ice-contact outwash sand and gravel |
| 9: Fine-textured glacial till |
| 10: End moraines of fine-textured till |
| 11: Medium-textured glacial till |
| 12: End moraines of medium-textured till |
|
| 13: Coarse-textured glacial till |
| 14: End moraines of coarse-textured till |
| 15: Thin to discontinuous glacial till over bedrock |
| 16: Artificial fill |
| 17: Exposed bedrock surfaces |
