| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Poehlman Marl Pit, Cass County, Michigan, USA | 41° 51' 44" N | 86° 7' 0" W | 12.1km (7.5 miles) | |
| Niles well, Berrien County, Michigan, USA | 41° 49' 18" N | 86° 15' 30" W | 14.4km (9.0 miles) | |
| South Bend S & G Corporation, St. Joseph County, Indiana, USA | 41° 40' 29" N | 86° 15' 6" W | 14.6km (9.1 miles) | |
| Moose Lake Aggregate Quarry, Section 33, Pokagon Township, Cass County, Michigan, USA | 41° 53' 44" N | 86° 10' 48" W | 16.8km (10.5 miles) | |
| Prather Farm bog iron locality, Lagrange Township, Cass County, Michigan, USA | 41° 54' 28" N | 86° 3' 51" W | 17.6km (10.9 miles) | |
| Unnamed clay prospect (MRDS - 10170721), Cass County, Michigan, USA | 41° 59' 9" N | 86° 5' 30" W | 25.9km (16.1 miles) | |
| Unnamed gravel pit, Dowagiac, Cass County, Michigan, USA | 42° 0' 23" N | 86° 5' 5" W | 28.2km (17.5 miles) | |
| Elkhart County Highway Department, Elkhart County, Indiana, USA | 41° 35' 12" N | 85° 49' 59" W | 29.6km (18.4 miles) | |
| Pipher's Marl Quarry, Cass County, Michigan, USA | 42° 2' 4" N | 85° 55' 29" W | 34.9km (21.7 miles) | |
| Futa Marl Quarry, St. Joseph County, Indiana, USA | 41° 31' 59" N | 86° 25' 36" W | 35.9km (22.3 miles) | |
| Unnamed Clay prospect [1], Berrien County, Michigan, USA | 41° 50' 30" N | 86° 32' 39" W | 37.3km (23.2 miles) | |
| Cass Lake Quarry, Lagrange County, Indiana, USA | 41° 42' 1" N | 85° 38' 35" W | 39.3km (24.4 miles) | |
| Miller Marl Pit, Lagrange County, Indiana, USA | 41° 41' 25" N | 85° 38' 13" W | 39.9km (24.8 miles) | |
| Crosby Marl pit, Berrien County, Michigan, USA | 41° 46' 35" N | 86° 36' 5" W | 40.8km (25.3 miles) | |
| Marl Lake, St. Joseph County, Michigan, USA | 41° 46' 18" N | 85° 36' 55" W | 41.2km (25.6 miles) | |
| Bridgman Pit & Mill (Martin-Marietta), Berrien County, Michigan, USA | 41° 57' 24" N | 86° 33' 11" W | 43.1km (26.8 miles) | |
| Garage Site, Lake Township, Berrien County, Michigan, USA | 41° 57' 12" N | 86° 33' 25" W | 43.2km (26.8 miles) | |
| South Bridgman Site, Lake Township, Berrien County, Michigan, USA | 41° 55' 54" N | 86° 34' 30" W | 43.3km (26.9 miles) | |
| Kerr pit (Robert Kerr Peat and Marl), St. Joseph County, Michigan, USA | 41° 56' 48" N | 85° 39' 20" W | 43.4km (27.0 miles) | |
| North Bridgman pit, Lake Township, Berrien County, Michigan, USA | 41° 57' 14" N | 86° 34' 0" W | 43.9km (27.3 miles) | |
| Gulliver-Peters Site, Lake Township, Berrien County, Michigan, USA | 41° 59' 3" N | 86° 33' 27" W | 45.0km (28.0 miles) | |
| Marshall County Highway Department, Marshall County, Indiana, USA | 41° 20' 35" N | 86° 18' 36" W | 48.5km (30.1 miles) | |
| Drake Marl pit (Coy Drake), St. Joseph County, Michigan, USA | 42° 2' 26" N | 85° 39' 33" W | 49.1km (30.5 miles) | |
| Acolliney Clay pit, Van Buren County, Michigan, USA | 42° 11' 49" N | 86° 10' 8" W | 49.6km (30.8 miles) | |
| Benton Harbor well, Berrien County, Michigan, USA | 42° 6' 55" N | 86° 28' 4" W | 49.9km (31.0 miles) | |
| Saint Joseph Terminal Mill, Berrien County, Michigan, USA | 42° 6' 39" N | 86° 29' 9" W | 50.5km (31.4 miles) | |
| Fought Marl Pit, Lagrange County, Indiana, USA | 41° 32' 17" N | 85° 32' 24" W | 53.1km (33.0 miles) | |
| Laporte City Engineering, LaPorte County, Indiana, USA | 41° 36' 24" N | 86° 43' 11" W | 53.2km (33.0 miles) | |
| Nadeau Pit, Hagar Township, Berrien County, Michigan, USA | 42° 14' 17" N | 86° 20' 33" W | 57.2km (35.6 miles) | |
| Miller Pit (Fought Pit), Noble County, Indiana, USA | 41° 31' 59" N | 85° 28' 55" W | 57.7km (35.8 miles) | |
