| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Walter Rohn property, Elberta, Benzie County, Michigan, USA | 44° 35' 6" N | 86° 12' 47" W | 4.0km (2.5 miles) | |
| Walter Rohn Property, Blaine Township, Manistee County, Michigan, USA | 44° 35' 4" N | 86° 12' 47" W | 4.0km (2.5 miles) | |
| Benzie County pit, Frankfort, Benzie County, Michigan, USA | 44° 40' 0" N | 86° 13' 0" W | 5.3km (3.3 miles) | |
| East Arcadian Clay pit, Manistee County, Michigan, USA | 44° 29' 26" N | 86° 13' 0" W | 14.3km (8.9 miles) | |
| Klein's Clay pit, Manistee County, Michigan, USA | 44° 26' 30" N | 86° 11' 30" W | 20.0km (12.4 miles) | |
| Ira-Kaplan State No. 1-20 well, Wexford County, Michigan, USA | 44° 27' 41" N | 85° 47' 14" W | 39.0km (24.2 miles) | |
| R. G. Peters Salt and Lumber Company, Manistee County, Michigan, USA | 44° 14' 27" N | 86° 10' 45" W | 42.2km (26.2 miles) | |
| Martin-Marietta Chemicals (Manistee), Manistee, Manistee County, Michigan, USA | 44° 13' 47" N | 86° 17' 24" W | 43.6km (27.1 miles) | |
| Manistee well, Manistee County, Michigan, USA | 44° 13' 50" N | 86° 18' 11" W | 43.6km (27.1 miles) | |
| Unnamed placers, Manistee River, Manistee County, Michigan, USA | 44° 19' 20" N | 85° 51' 1" W | 44.5km (27.7 miles) | |
| Filer City, Manistee County, Michigan, USA | 44° 12' 57" N | 86° 17' 11" W | 45.1km (28.0 miles) | |
| Morton Salt Company - Manistee, Manistee, Manistee County, Michigan, USA | 44° 12' 36" N | 86° 18' 36" W | 46.0km (28.6 miles) | |
| Unnamed clay prospect (MRDS - 10194730), Grand Traverse County, Michigan, USA | 44° 41' 9" N | 85° 37' 19" W | 48.4km (30.1 miles) | |
| Kujawsky's Clay pit, Manistee County, Michigan, USA | 44° 10' 50" N | 86° 11' 15" W | 48.9km (30.4 miles) | |
| Wexford Sand Company, Harrietta, Wexford County, Michigan, USA | 44° 20' 3" N | 85° 45' 2" W | 49.3km (30.6 miles) | |
| Yuma pit and mill (Sargent Sand Company), Wexford County, Michigan, USA | 44° 19' 50" N | 85° 45' 0" W | 49.6km (30.8 miles) | |
| Unnamed clay prospect (MRDS - 10146341), Grand Traverse County, Michigan, USA | 44° 46' 0" N | 85° 34' 35" W | 53.9km (33.5 miles) | |
| Markham's Clay Pit, Leelanau County, Michigan, USA | 44° 52' 50" N | 85° 39' 0" W | 54.0km (33.6 miles) | |
| Fellers' Clay pit, Harietta, Wexford County, Michigan, USA | 44° 18' 33" N | 85° 41' 26" W | 54.7km (34.0 miles) | |
| Unnamed placer, Manistee River, Wexford County, Michigan, USA | 44° 29' 3" N | 85° 33' 33" W | 55.0km (34.1 miles) | |
| Lake Leelanau, Leelanau County, Michigan, USA | 45° 0' 29" N | 85° 45' 0" W | 57.3km (35.6 miles) | |
| Unnamed placers, Little Sable River, Mason County, Michigan, USA | 44° 2' 3" N | 86° 4' 41" W | 66.1km (41.1 miles) | |
| Unnamed placer, Walton, Kalkaska County, Michigan, USA | 44° 31' 14" N | 85° 23' 57" W | 66.4km (41.3 miles) | |
| Ludington Site, Hamilin Township, Mason County, Michigan, USA | 44° 0' 25" N | 86° 28' 48" W | 71.0km (44.1 miles) | |
| Keiser's Clay pit, Mason County, Michigan, USA | 43° 59' 30" N | 86° 23' 25" W | 71.0km (44.1 miles) | |
| Kalkaska Nos. 3-28 oil wells, Kalkaska County, Michigan, USA | 44° 42' 28" N | 85° 16' 53" W | 75.4km (46.8 miles) | |
| West Branch Clay pit, Mason County, Michigan, USA | 43° 56' 30" N | 86° 4' 59" W | 76.2km (47.4 miles) | |
| Ludington wells, Mason County, Michigan, USA | 43° 55' 50" N | 86° 25' 28" W | 78.2km (48.6 miles) | |
| Dow Chemical - Ludington, Ludington, Mason County, Michigan, USA | 43° 55' 40" N | 86° 25' 42" W | 78.6km (48.8 miles) | |
| Wilcox Brothers Clay pit, Wexford County, Michigan, USA | 44° 13' 45" N | 85° 23' 7" W | 79.7km (49.5 miles) | |
