| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Alliance Brick Company Clay Pit, Macomb County, Michigan, USA | 42° 30' 29" N | 83° 2' 7" W | 2.7km (1.7 miles) | |
| East Gass's Clay Pit, Macomb County, Michigan, USA | 42° 30' 50" N | 82° 57' 34" W | 5.1km (3.2 miles) | |
| Warren Brick Company Clay Pit, Macomb County, Michigan, USA | 42° 32' 7" N | 83° 2' 25" W | 5.5km (3.4 miles) | |
| Fries Tile Works' Clay Pit, Macomb County, Michigan, USA | 42° 35' 39" N | 83° 4' 5" W | 12.4km (7.7 miles) | |
| Mt. Clemens well, Macomb County, Michigan, USA | 42° 36' 2" N | 82° 52' 0" W | 17.1km (10.7 miles) | |
| Daniels Clay Pit (Birmingham Brick and Tile Company), Oakland County, Michigan, USA | 42° 32' 15" N | 83° 12' 45" W | 17.2km (10.7 miles) | |
| Unnamed placer, Birmingham, Oakland County, Michigan, USA | 42° 32' 48" N | 83° 12' 51" W | 17.6km (11.0 miles) | |
| Beardsley Brothers Clay Pit, Wayne County, Michigan, USA | 42° 25' 24" N | 83° 15' 2" W | 20.9km (13.0 miles) | |
| Clippert Brick and Tile Company Pit, Wayne County, Michigan, USA | 42° 18' 56" N | 83° 8' 43" W | 22.3km (13.8 miles) | |
| Rochester, Oakland County, Michigan, USA | 42° 40' 50" N | 83° 8' 2" W | 23.3km (14.5 miles) | |
| Oakwood Salt shaft, Detroit, Wayne County, Michigan, USA | 42° 17' 12" N | 83° 9' 11" W | 25.4km (15.8 miles) | |
| Detroit Salt Company Mine (International Salt Company Mine), Detroit, Wayne County, Michigan, USA | 42° 17' 8" N | 83° 9' 0" W | 25.4km (15.8 miles) | |
| Bigelow Clay Products Company clay pit, Oakland County, Michigan, USA | 42° 31' 54" N | 83° 19' 40" W | 26.2km (16.3 miles) | |
| Ojibway Mine, Windsor, Essex County, Ontario, Canada | 42° 15' 20" N | 83° 6' 2" W | 27.1km (16.8 miles) | |
| Lightweight Aggregate Corp. Pit, Wayne County, Michigan, USA | 42° 22' 48" N | 83° 21' 24" W | 30.8km (19.1 miles) | |
| Ford Clay Pit, Wayne County, Michigan, USA | 42° 17' 30" N | 83° 16' 59" W | 31.3km (19.5 miles) | |
| Wyandotte wells, Wayne County, Michigan, USA | 42° 13' 13" N | 83° 8' 43" W | 31.9km (19.8 miles) | |
| Engleman's Clay Pit, St. Clair County, Michigan, USA | 42° 41' 35" N | 82° 42' 34" W | 33.5km (20.8 miles) | |
| McGregor Quarry, Anderdon Township, Essex County, Ontario, Canada | 42° 9' 33" N | 83° 0' 42" W | 36.8km (22.9 miles) | |
| Sibley Quarry, Trenton, Wayne County, Michigan, USA | 42° 9' 51" N | 83° 10' 54" W | 38.8km (24.1 miles) | |
| Anchor Bay, Lake St. Clair, St. Clair County, Michigan, USA | 42° 45' 14" N | 82° 39' 20" W | 41.4km (25.7 miles) | |
| Amherstburg Quarry, Malden Township, Essex County, Ontario, Canada | 42° 5' 48" N | 83° 5' 12" W | 44.2km (27.4 miles) | |
| Gibralter, Wayne County, Michigan, USA | 42° 5' 57" N | 83° 12' 50" W | 46.5km (28.9 miles) | |
| Bunte Brothers Tile Company Clay Pit, Wayne County, Michigan, USA | 42° 6' 42" N | 83° 17' 52" W | 48.2km (29.9 miles) | |
| Flat Rock quarry, Wayne County, Michigan, USA | 42° 6' 14" N | 83° 16' 45" W | 48.2km (30.0 miles) | |
| Marine City Well, St. Clair County, Michigan, USA | 42° 43' 0" N | 82° 30' 10" W | 48.8km (30.3 miles) | |
| Plant No. 31 Pit (Western Materials Company; New Hudson Pit), Oakland County, Michigan, USA | 42° 31' 46" N | 83° 36' 27" W | 48.9km (30.4 miles) | |
| Ottawa Silica Company Quarry (Rockwood Quarry), Rockwood, Wayne County, Michigan, USA | 42° 3' 39" N | 83° 13' 51" W | 51.0km (31.7 miles) | |
| South Rockwood Clay Mine (Ritter and Sons Company), South Rockwood, Berlin Charter Township, Monroe County, Michigan, USA | 42° 3' 24" N | 83° 15' 20" W | 52.2km (32.4 miles) | |
| Ritter's Clay Pit, Berlin Charter Township, Monroe County, Michigan, USA | 42° 2' 48" N | 83° 15' 20" W | 53.2km (33.1 miles) | |
