| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Michigan City Engineering, LaPorte County, Indiana, USA | 41° 42' 47" N | 86° 53' 48" W | 0.7km (0.4 miles) | |
| Michigan City Plant, LaPorte County, Indiana, USA | 41° 43' 50" N | 86° 52' 47" W | 2.9km (1.8 miles) | |
| Laporte City Engineering, LaPorte County, Indiana, USA | 41° 36' 24" N | 86° 43' 11" W | 18.4km (11.4 miles) | |
| Satoski Marl Pit, LaPorte County, Indiana, USA | 41° 31' 53" N | 86° 48' 2" W | 21.1km (13.1 miles) | |
| Lorenz Brothers Pit Number 1, Porter County, Indiana, USA | 41° 36' 14" N | 87° 8' 12" W | 23.2km (14.4 miles) | |
| Zehner Pit, Porter County, Indiana, USA | 41° 36' 7" N | 87° 8' 12" W | 23.3km (14.5 miles) | |
| Crosby Marl pit, Berrien County, Michigan, USA | 41° 46' 35" N | 86° 36' 5" W | 25.5km (15.9 miles) | |
| Valparaiso Superintendent of Streets, Porter County, Indiana, USA | 41° 28' 0" N | 87° 3' 29" W | 30.0km (18.7 miles) | |
| Porter County Highway Department, Porter County, Indiana, USA | 41° 28' 0" N | 87° 3' 29" W | 30.0km (18.7 miles) | |
| Unnamed Clay prospect [1], Berrien County, Michigan, USA | 41° 50' 30" N | 86° 32' 39" W | 32.7km (20.3 miles) | |
| South Bridgman Site, Lake Township, Berrien County, Michigan, USA | 41° 55' 54" N | 86° 34' 30" W | 36.4km (22.6 miles) | |
| North Bridgman pit, Lake Township, Berrien County, Michigan, USA | 41° 57' 14" N | 86° 34' 0" W | 38.6km (24.0 miles) | |
| Continental Steel Corporation, Kokomo, Howard County, Indiana, USA | 41° 37' 37" N | 87° 20' 51" W | 38.6km (24.0 miles) | |
| Gary, Lake County, Indiana, USA | 41° 37' 27" N | 87° 20' 53" W | 38.8km (24.1 miles) | |
| Garage Site, Lake Township, Berrien County, Michigan, USA | 41° 57' 12" N | 86° 33' 25" W | 39.1km (24.3 miles) | |
| Bridgman Pit & Mill (Martin-Marietta), Berrien County, Michigan, USA | 41° 57' 24" N | 86° 33' 11" W | 39.6km (24.6 miles) | |
| Gulliver-Peters Site, Lake Township, Berrien County, Michigan, USA | 41° 59' 3" N | 86° 33' 27" W | 41.6km (25.8 miles) | |
| Futa Marl Quarry, St. Joseph County, Indiana, USA | 41° 31' 59" N | 86° 25' 36" W | 43.5km (27.0 miles) | |
| Hamlet meteorite, Starke County, Indiana, USA | 41° 22' 59" N | 86° 35' 59" W | 43.6km (27.1 miles) | |
| Lake County Highway Department, Lake County, Indiana, USA | 41° 24' 53" N | 87° 21' 42" W | 50.7km (31.5 miles) | |
| Starke County Highway Department, Starke County, Indiana, USA | 41° 17' 42" N | 86° 37' 12" W | 51.3km (31.9 miles) | |
| South Bend S & G Corporation, St. Joseph County, Indiana, USA | 41° 40' 29" N | 86° 15' 6" W | 53.5km (33.3 miles) | |
| Niles well, Berrien County, Michigan, USA | 41° 49' 18" N | 86° 15' 30" W | 54.3km (33.7 miles) | |
| City of Calumet - Own Crews, Cook County, Illinois, USA | 41° 37' 23" N | 87° 32' 24" W | 54.4km (33.8 miles) | |
| Yard M Clay Pit (Munster Pit), Lake County, Indiana, USA | 41° 31' 54" N | 87° 30' 21" W | 54.4km (33.8 miles) | |
| Saint Joseph Terminal Mill, Berrien County, Michigan, USA | 42° 6' 39" N | 86° 29' 9" W | 56.2km (34.9 miles) | |
| Stony Island Quarries, Chicago, Cook County, Illinois, USA | 41° 43' 40" N | 87° 34' 19" W | 56.3km (35.0 miles) | |
| Benton Harbor well, Berrien County, Michigan, USA | 42° 6' 55" N | 86° 28' 4" W | 57.5km (35.7 miles) | |
| Calumet Lake, Chicago, Cook County, Illinois, USA | 41° 40' 47" N | 87° 35' 24" W | 57.8km (35.9 miles) | |
| Yard R Clay Pit, Cook County, Illinois, USA | 41° 38' 42" N | 87° 35' 30" W | 58.3km (36.2 miles) | |
