| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| David Allwood pit (David Alwood), Calhoun County, Michigan, USA | 42° 6' 39" N | 85° 7' 9" W | 11.2km (7.0 miles) | |
| William Case Marl Pit, Calhoun County, Michigan, USA | 42° 5' 39" N | 85° 7' 30" W | 11.5km (7.1 miles) | |
| Peerless Portland Cement Company Shale pit, Branch County, Michigan, USA | 42° 2' 20" N | 85° 7' 9" W | 12.6km (7.8 miles) | |
| Wolverine Portland Cement Company Shale pit, Coldwater, Branch County, Michigan, USA | 41° 54' 34" N | 84° 55' 5" W | 21.2km (13.2 miles) | |
| John Hess Marl pit, Hillsdale County, Michigan, USA | 42° 2' 20" N | 84° 37' 30" W | 30.4km (18.9 miles) | |
| Harmon Marl Quarry (Taylor & Son), Branch County, Michigan, USA | 41° 48' 11" N | 85° 0' 36" W | 32.3km (20.1 miles) | |
| Zenith Portland Cement Company Clay Pit, Jackson County, Michigan, USA | 42° 8' 49" N | 84° 35' 59" W | 32.4km (20.1 miles) | |
| Alpha Portland Cement Company Clay pit, Calhoun County, Michigan, USA | 42° 23' 44" N | 85° 2' 54" W | 34.0km (21.1 miles) | |
| Spring Arbor Limestone Quarry, Jackson County, Michigan, USA | 42° 12' 28" N | 84° 33' 45" W | 37.1km (23.1 miles) | |
| Bellevue Stone Products quarry, Bellevue, Eaton County, Michigan, USA | 42° 25' 45" N | 85° 2' 13" W | 37.6km (23.4 miles) | |
| Jeffrey Quarry and Mill (Jeffrey Limestone Quarry), Parma, Jackson County, Michigan, USA | 42° 15' 55" N | 84° 35' 9" W | 38.1km (23.7 miles) | |
| Holden Quarry, Bellevue, Eaton County, Michigan, USA | 42° 26' 18" N | 85° 1' 59" W | 38.6km (24.0 miles) | |
| Cheney Quarry, Bellevue, Eaton County, Michigan, USA | 42° 26' 48" N | 85° 2' 6" W | 39.5km (24.5 miles) | |
| Olivet Brick & Tile Company Clay Pit, Eaton County, Michigan, USA | 42° 26' 49" N | 84° 56' 15" W | 39.5km (24.6 miles) | |
| F. C. Hunt Clay Prospect, Eaton County, Michigan, USA | 42° 26' 30" N | 84° 46' 30" W | 42.4km (26.4 miles) | |
| Hayward Dry Marl Pit, Kalamazoo County, Michigan, USA | 42° 7' 50" N | 85° 30' 14" W | 42.9km (26.7 miles) | |
| Parks Farm Clay prospect, Hillsdale County, Michigan, USA | 42° 2' 30" N | 84° 27' 50" W | 43.5km (27.0 miles) | |
| Jerome Brick and Tile Company Clay pit, Hillsdale County, Michigan, USA | 42° 1' 59" N | 84° 27' 50" W | 43.6km (27.1 miles) | |
| Lake James, Pokagon State Park, Steuben County, Indiana, USA | 41° 41' 47" N | 85° 2' 3" W | 44.3km (27.5 miles) | |
| Garman Pit, Steuben County, Indiana, USA | 41° 42' 25" N | 85° 7' 38" W | 44.5km (27.7 miles) | |
| American Vitrified Products Company clay shale pit, Jackson County, Michigan, USA | 42° 16' 14" N | 84° 24' 15" W | 51.8km (32.2 miles) | |
| Unnamed gravel pit, Blue Ridge esker, Jackson County, Michigan, USA | 42° 9' 34" N | 84° 21' 16" W | 52.6km (32.7 miles) | |
| Grand Ledge Clay Shale pit, Jackson County, Michigan, USA | 42° 18' 45" N | 84° 24' 44" W | 53.1km (33.0 miles) | |
| Eaton Rapids, Eaton County, Michigan, USA | 42° 30' 33" N | 84° 39' 20" W | 53.6km (33.3 miles) | |
| Peninsular Portland Cement Company Clay Pit, Jackson County, Michigan, USA | 42° 4' 35" N | 84° 19' 50" W | 54.1km (33.6 miles) | |
| American Vitrified Products Company Clay Shale Quarry, Jackson County, Michigan, USA | 42° 18' 50" N | 84° 23' 15" W | 55.0km (34.2 miles) | |
| Drake Marl pit (Coy Drake), St. Joseph County, Michigan, USA | 42° 2' 26" N | 85° 39' 33" W | 55.9km (34.7 miles) | |
| Portage River Limestone Quarry, Jackson County, Michigan, USA | 42° 19' 50" N | 84° 23' 12" W | 55.9km (34.8 miles) | |
| Leonard Brothers Clay pit, Barry County, Michigan, USA | 42° 30' 20" N | 85° 24' 0" W | 57.1km (35.5 miles) | |
| Darrell Hamilton Marl operation (Darrell Hamilton), Barry County, Michigan, USA | 42° 35' 24" N | 85° 11' 6" W | 57.6km (35.8 miles) | |
