| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Keiser's Clay pit, Mason County, Michigan, USA | 43° 59' 30" N | 86° 23' 25" W | 0.0km (0.0 miles) | |
| Ludington wells, Mason County, Michigan, USA | 43° 55' 50" N | 86° 25' 28" W | 7.3km (4.5 miles) | |
| Ludington Site, Hamilin Township, Mason County, Michigan, USA | 44° 0' 25" N | 86° 28' 48" W | 7.4km (4.6 miles) | |
| Dow Chemical - Ludington, Ludington, Mason County, Michigan, USA | 43° 55' 40" N | 86° 25' 42" W | 7.7km (4.8 miles) | |
| Pentwater E.Lowlands Clay pit, Oceana County, Michigan, USA | 43° 47' 15" N | 86° 22' 59" W | 22.7km (14.1 miles) | |
| Morton Salt Company - Manistee, Manistee, Manistee County, Michigan, USA | 44° 12' 36" N | 86° 18' 36" W | 25.1km (15.6 miles) | |
| West Branch Clay pit, Mason County, Michigan, USA | 43° 56' 30" N | 86° 4' 59" W | 25.2km (15.7 miles) | |
| Unnamed placers, Little Sable River, Mason County, Michigan, USA | 44° 2' 3" N | 86° 4' 41" W | 25.4km (15.8 miles) | |
| Filer City, Manistee County, Michigan, USA | 44° 12' 57" N | 86° 17' 11" W | 26.3km (16.3 miles) | |
| Kujawsky's Clay pit, Manistee County, Michigan, USA | 44° 10' 50" N | 86° 11' 15" W | 26.5km (16.5 miles) | |
| Manistee well, Manistee County, Michigan, USA | 44° 13' 50" N | 86° 18' 11" W | 27.5km (17.1 miles) | |
| Martin-Marietta Chemicals (Manistee), Manistee, Manistee County, Michigan, USA | 44° 13' 47" N | 86° 17' 24" W | 27.7km (17.2 miles) | |
| Unnamed placer, Hart, Oceana County, Michigan, USA | 43° 42' 30" N | 86° 20' 17" W | 31.8km (19.7 miles) | |
| R. G. Peters Salt and Lumber Company, Manistee County, Michigan, USA | 44° 14' 27" N | 86° 10' 45" W | 32.5km (20.2 miles) | |
| Hart Clay pit, Oceana County, Michigan, USA | 43° 41' 35" N | 86° 22' 24" W | 33.2km (20.6 miles) | |
| Silver Lake (Silver Lake clay pit), Oceana County, Michigan, USA | 43° 40' 45" N | 86° 29' 25" W | 35.7km (22.2 miles) | |
| Northern Cement Company Clay pit, Lake County, Michigan, USA | 43° 52' 30" N | 85° 50' 30" W | 45.8km (28.5 miles) | |
| Klein's Clay pit, Manistee County, Michigan, USA | 44° 26' 30" N | 86° 11' 30" W | 52.5km (32.6 miles) | |
| Unnamed placer, White River, Oceana County, Michigan, USA | 43° 34' 4" N | 86° 3' 14" W | 54.3km (33.8 miles) | |
| Unnamed placers, Manistee River, Manistee County, Michigan, USA | 44° 19' 20" N | 85° 51' 1" W | 56.6km (35.2 miles) | |
| East Arcadian Clay pit, Manistee County, Michigan, USA | 44° 29' 26" N | 86° 13' 0" W | 57.2km (35.5 miles) | |
| Unnamed placer, Whitehall, Oceana County, Michigan, USA | 43° 28' 19" N | 86° 13' 27" W | 59.3km (36.8 miles) | |
| Bay City well, Bay County, Michigan, USA | 43° 35' 36" N | 85° 53' 30" W | 59.7km (37.1 miles) | |
| Yuma pit and mill (Sargent Sand Company), Wexford County, Michigan, USA | 44° 19' 50" N | 85° 45' 0" W | 63.5km (39.5 miles) | |
| Wexford Sand Company, Harrietta, Wexford County, Michigan, USA | 44° 20' 3" N | 85° 45' 2" W | 63.7km (39.6 miles) | |
| NE Newaygon Clay Pit, Newaygo County, Michigan, USA | 43° 48' 29" N | 85° 37' 0" W | 65.2km (40.5 miles) | |
| Fellers' Clay pit, Harietta, Wexford County, Michigan, USA | 44° 18' 33" N | 85° 41' 26" W | 66.0km (41.0 miles) | |
| Walter Rohn Property, Blaine Township, Manistee County, Michigan, USA | 44° 35' 4" N | 86° 12' 47" W | 67.4km (41.9 miles) | |
| Walter Rohn property, Elberta, Benzie County, Michigan, USA | 44° 35' 6" N | 86° 12' 47" W | 67.5km (41.9 miles) | |
| Whitehall Clay pit, Muskegon County, Michigan, USA | 43° 22' 59" N | 86° 21' 5" W | 67.7km (42.1 miles) | |
