| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Large's Clay Pit, Sanilac County, Michigan, USA | 43° 12' 37" N | 82° 58' 5" W | 13.3km (8.3 miles) | |
| Port Huron Clay Products Company clay pit, Sanilac County, Michigan, USA | 43° 17' 12" N | 82° 37' 9" W | 16.3km (10.2 miles) | |
| Sandusky Tile and Brick Company clay pit, Sanilac County, Michigan, USA | 43° 25' 45" N | 82° 49' 18" W | 19.0km (11.8 miles) | |
| W. Avoca Clay Sample Prospect, St. Clair County, Michigan, USA | 43° 3' 34" N | 82° 43' 0" W | 23.6km (14.7 miles) | |
| Farley's Clay pit, Lapeer County, Michigan, USA | 42° 58' 54" N | 83° 2' 44" W | 35.9km (22.3 miles) | |
| Amcord Cement Company Pit (Cement Company; Division of Peerless Cement; Amcord), St. Clair County, Michigan, USA | 42° 54' 29" N | 82° 35' 36" W | 43.0km (26.7 miles) | |
| Cass River, Tuscola County, Michigan, USA | 43° 34' 26" N | 83° 13' 37" W | 48.2km (30.0 miles) | |
| Wyers Clay Pit, Huron County, Michigan, USA | 43° 41' 4" N | 82° 56' 54" W | 48.5km (30.2 miles) | |
| Unnamed shale prospect (MRDS - 10218526), Huron County, Michigan, USA | 43° 42' 0" N | 82° 36' 44" W | 51.8km (32.2 miles) | |
| Port Huron Salt Company, St. Clair County, Michigan, USA | 42° 49' 10" N | 82° 29' 9" W | 55.7km (34.6 miles) | |
| Anchor Bay, Lake St. Clair, St. Clair County, Michigan, USA | 42° 45' 14" N | 82° 39' 20" W | 57.6km (35.8 miles) | |
| Shriner Brick Company Clay Pit, St. Clair County, Michigan, USA | 42° 47' 49" N | 82° 29' 17" W | 57.9km (36.0 miles) | |
| Great Lake Minerals, Vassar, Tuscola County, Michigan, USA | 43° 22' 0" N | 83° 31' 18" W | 58.2km (36.2 miles) | |
| W. River Clay Sample Prospect, St. Clair County, Michigan, USA | 42° 47' 20" N | 82° 28' 46" W | 59.0km (36.7 miles) | |
| St. Clair Salt Mine (Diamond Crystal), St. Clair County, Michigan, USA | 42° 47' 3" N | 82° 29' 23" W | 59.1km (36.7 miles) | |
| Engleman's Clay Pit, St. Clair County, Michigan, USA | 42° 41' 35" N | 82° 42' 34" W | 63.5km (39.5 miles) | |
| Kettle Point, Bosanquet Township, Lambton County, Ontario, Canada | 43° 12' 43" N | 82° 1' 20" W | 64.6km (40.1 miles) | |
| Marine City Well, St. Clair County, Michigan, USA | 42° 43' 0" N | 82° 30' 10" W | 65.5km (40.7 miles) | |
| Rochester, Oakland County, Michigan, USA | 42° 40' 50" N | 83° 8' 2" W | 69.2km (43.0 miles) | |
| Unnamed well, Winsor township, Huron County, Michigan, USA | 43° 46' 41" N | 83° 19' 40" W | 70.9km (44.1 miles) | |
| Reinhold Clay Pit, Huron County, Michigan, USA | 43° 43' 45" N | 83° 25' 59" W | 72.2km (44.8 miles) | |
| Windsor Limestone Quarry, Huron County, Michigan, USA | 43° 48' 37" N | 83° 17' 36" W | 72.4km (45.0 miles) | |
| Water Well, Mount Morris, Genesee County, Michigan, USA | 43° 7' 40" N | 83° 41' 35" W | 72.5km (45.0 miles) | |
| Bauer Well, Sebewaing township, Huron County, Michigan, USA | 43° 43' 55" N | 83° 26' 26" W | 72.8km (45.2 miles) | |
| Henry Muller Well, Sebewaing township, Huron County, Michigan, USA | 43° 43' 45" N | 83° 27' 2" W | 73.2km (45.5 miles) | |
| Mt. Clemens well, Macomb County, Michigan, USA | 42° 36' 2" N | 82° 52' 0" W | 73.3km (45.5 miles) | |
| Jackson coal mines, Huron County, Michigan, USA | 43° 44' 38" N | 83° 26' 25" W | 73.7km (45.8 miles) | |
| Sebewaing coal mine, Huron County, Michigan, USA | 43° 44' 35" N | 83° 26' 51" W | 74.1km (46.0 miles) | |
| Shebeon River, Fairhaven township, Huron County, Michigan, USA | 43° 46' 8" N | 83° 26' 17" W | 75.7km (47.0 miles) | |
| Unnamed Well, Fairhaven township, Huron County, Michigan, USA | 43° 47' 34" N | 83° 24' 33" W | 76.2km (47.3 miles) | |
