| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Kalkaska Nos. 3-28 oil wells, Kalkaska County, Michigan, USA | 44° 42' 28" N | 85° 16' 53" W | 7.4km (4.6 miles) | |
| Unnamed placer, Walton, Kalkaska County, Michigan, USA | 44° 31' 14" N | 85° 23' 57" W | 16.4km (10.2 miles) | |
| Unnamed placer, Rapid River, Kalkaska, Kalkaska County, Michigan, USA | 44° 46' 44" N | 85° 11' 18" W | 16.9km (10.5 miles) | |
| Unnamed clay prospect (MRDS - 10146341), Grand Traverse County, Michigan, USA | 44° 46' 0" N | 85° 34' 35" W | 27.3km (16.9 miles) | |
| Unnamed clay prospect (MRDS - 10194730), Grand Traverse County, Michigan, USA | 44° 41' 9" N | 85° 37' 19" W | 27.5km (17.1 miles) | |
| Unnamed placer, Manistee River, Wexford County, Michigan, USA | 44° 29' 3" N | 85° 33' 33" W | 28.2km (17.5 miles) | |
| Wilsons Farm Shale pit, Antrim County, Michigan, USA | 44° 57' 11" N | 85° 12' 6" W | 35.2km (21.9 miles) | |
| Minthorn's Clay pit, Missaukee County, Michigan, USA | 44° 19' 0" N | 85° 12' 39" W | 36.5km (22.7 miles) | |
| Markham's Clay Pit, Leelanau County, Michigan, USA | 44° 52' 50" N | 85° 39' 0" W | 39.5km (24.6 miles) | |
| William W. Johnston Clay pit, Antrim County, Michigan, USA | 45° 0' 50" N | 85° 14' 54" W | 41.5km (25.8 miles) | |
| Unnamed gravel pit, Frederic, Crawford County, Michigan, USA | 44° 45' 55" N | 84° 45' 2" W | 44.0km (27.4 miles) | |
| Frederic, Crawford County, Michigan, USA | 44° 46' 42" N | 84° 45' 15" W | 44.2km (27.5 miles) | |
| Ira-Kaplan State No. 1-20 well, Wexford County, Michigan, USA | 44° 27' 41" N | 85° 47' 14" W | 44.9km (27.9 miles) | |
| Wilcox Brothers Clay pit, Wexford County, Michigan, USA | 44° 13' 45" N | 85° 23' 7" W | 46.6km (29.0 miles) | |
| Fellers' Clay pit, Harietta, Wexford County, Michigan, USA | 44° 18' 33" N | 85° 41' 26" W | 49.3km (30.6 miles) | |
| Wexford Sand Company, Harrietta, Wexford County, Michigan, USA | 44° 20' 3" N | 85° 45' 2" W | 50.6km (31.4 miles) | |
| Cotter Clay pit, Missaukee County, Michigan, USA | 44° 11' 20" N | 85° 12' 29" W | 50.6km (31.5 miles) | |
| Yuma pit and mill (Sargent Sand Company), Wexford County, Michigan, USA | 44° 19' 50" N | 85° 45' 0" W | 50.8km (31.6 miles) | |
| Unnamed shale pit (MRDS - 10267731), Antrim County, Michigan, USA | 45° 6' 0" N | 85° 21' 44" W | 51.4km (31.9 miles) | |
| Unnamed shale prospect (MRDS - 10218404), Antrim County, Michigan, USA | 45° 5' 9" N | 85° 4' 0" W | 52.2km (32.5 miles) | |
| Unnamed placer, West Summit, Wexford County, Michigan, USA | 44° 10' 18" N | 85° 26' 13" W | 53.7km (33.4 miles) | |
| N. Houghton Lake Clay sample prospect, Roscommon County, Michigan, USA | 44° 19' 8" N | 84° 46' 19" W | 53.9km (33.5 miles) | |
| Lake Leelanau, Leelanau County, Michigan, USA | 45° 0' 29" N | 85° 45' 0" W | 55.1km (34.3 miles) | |
| Ellsworth Shale pit, Antrim County, Michigan, USA | 45° 8' 35" N | 85° 14' 12" W | 55.9km (34.7 miles) | |
| Unnamed shaft, Antrim County, Michigan, USA | 45° 6' 47" N | 85° 1' 17" W | 56.3km (35.0 miles) | |
| J. H. Kocher Shale pit, Antrim County, Michigan, USA | 45° 7' 0" N | 85° 1' 40" W | 56.5km (35.1 miles) | |
| N. Roscommon Clay sample prospect, Roscommon County, Michigan, USA | 44° 30' 18" N | 84° 35' 30" W | 56.6km (35.2 miles) | |
| Unnamed placers, Manistee River, Manistee County, Michigan, USA | 44° 19' 20" N | 85° 51' 1" W | 57.5km (35.7 miles) | |
| Unnamed shale pit (MRDS - 10218482), Charlevoix County, Michigan, USA | 45° 9' 29" N | 85° 6' 29" W | 59.0km (36.7 miles) | |
| Unnamed shale pit (MRDS - 10218095), Antrim County, Michigan, USA | 45° 11' 9" N | 85° 18' 29" W | 60.6km (37.7 miles) | |
