| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Garman Pit, Steuben County, Indiana, USA | 41° 42' 25" N | 85° 7' 38" W | 14.2km (8.8 miles) | |
| Lake James, Pokagon State Park, Steuben County, Indiana, USA | 41° 41' 47" N | 85° 2' 3" W | 17.4km (10.8 miles) | |
| Lagrange County Highway Department, Lagrange County, Indiana, USA | 41° 38' 42" N | 85° 25' 0" W | 20.5km (12.7 miles) | |
| Miller Pit (Fought Pit), Noble County, Indiana, USA | 41° 31' 59" N | 85° 28' 55" W | 25.6km (15.9 miles) | |
| Harmon Marl Quarry (Taylor & Son), Branch County, Michigan, USA | 41° 48' 11" N | 85° 0' 36" W | 28.1km (17.4 miles) | |
| Fought Marl Pit, Lagrange County, Indiana, USA | 41° 32' 17" N | 85° 32' 24" W | 30.2km (18.8 miles) | |
| Miller Marl Pit, Lagrange County, Indiana, USA | 41° 41' 25" N | 85° 38' 13" W | 39.5km (24.5 miles) | |
| Cass Lake Quarry, Lagrange County, Indiana, USA | 41° 42' 1" N | 85° 38' 35" W | 40.3km (25.0 miles) | |
| Marl Lake, St. Joseph County, Michigan, USA | 41° 46' 18" N | 85° 36' 55" W | 41.4km (25.7 miles) | |
| Wolverine Portland Cement Company Shale pit, Coldwater, Branch County, Michigan, USA | 41° 54' 34" N | 84° 55' 5" W | 42.1km (26.2 miles) | |
| Peerless Portland Cement Company Shale pit, Branch County, Michigan, USA | 42° 2' 20" N | 85° 7' 9" W | 50.6km (31.4 miles) | |
| Whitley County Highway Department, Whitley County, Indiana, USA | 41° 9' 29" N | 85° 29' 23" W | 54.1km (33.6 miles) | |
| Elkhart County Highway Department, Elkhart County, Indiana, USA | 41° 35' 12" N | 85° 49' 59" W | 54.1km (33.6 miles) | |
| Woodburn Stone Quarry & Plant, Allen County, Indiana, USA | 41° 8' 38" N | 84° 53' 20" W | 55.0km (34.2 miles) | |
| Kerr pit (Robert Kerr Peat and Marl), St. Joseph County, Michigan, USA | 41° 56' 48" N | 85° 39' 20" W | 56.1km (34.9 miles) | |
| Fort Wayne, Allen County, Indiana, USA | 41° 4' 45" N | 85° 8' 21" W | 56.5km (35.1 miles) | |
| William Case Marl Pit, Calhoun County, Michigan, USA | 42° 5' 39" N | 85° 7' 30" W | 56.7km (35.2 miles) | |
| David Allwood pit (David Alwood), Calhoun County, Michigan, USA | 42° 6' 39" N | 85° 7' 9" W | 58.6km (36.4 miles) | |
| Sphalerite and Fluorite Occurrence Z79, Allen County, Indiana, USA | 41° 2' 30" N | 85° 12' 50" W | 60.6km (37.7 miles) | |
| Edgerton Quarry, Allen County, Indiana, USA | 41° 4' 17" N | 84° 50' 57" W | 63.7km (39.6 miles) | |
| Unnamed clay pit (MRDS - 10170660), Hillsdale County, Michigan, USA | 41° 45' 11" N | 84° 26' 54" W | 63.7km (39.6 miles) | |
| Drake Marl pit (Coy Drake), St. Joseph County, Michigan, USA | 42° 2' 26" N | 85° 39' 33" W | 64.1km (39.8 miles) | |
| Unnamed Fluorite Occurrence (MRDS - 10080851), Allen County, Indiana, USA | 41° 0' 39" N | 85° 14' 9" W | 64.1km (39.8 miles) | |
| May Stone and Sand Quarry, Allen County, Indiana, USA | 41° 0' 29" N | 85° 14' 8" W | 64.4km (40.0 miles) | |
| Hayward Dry Marl Pit, Kalamazoo County, Michigan, USA | 42° 7' 50" N | 85° 30' 14" W | 66.1km (41.1 miles) | |
| Warsaw Street Department, Kosciusko County, Indiana, USA | 41° 14' 17" N | 85° 51' 6" W | 67.9km (42.2 miles) | |
| John Hess Marl pit, Hillsdale County, Michigan, USA | 42° 2' 20" N | 84° 37' 30" W | 68.3km (42.5 miles) | |
| Stone Street Quarry, Allen County, Indiana, USA | 40° 56' 2" N | 85° 3' 59" W | 73.2km (45.5 miles) | |
| Junction, Paulding County, Ohio, USA | 41° 11' 35" N | 84° 27' 30" W | 74.6km (46.3 miles) | |
| Stoneco Auglaize Quarry, Junction, Paulding County, Ohio, USA | 41° 10' 40" N | 84° 25' 48" W | 77.5km (48.2 miles) | |
