| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Houghton Exploration prospect, Superior, Portage Township, Houghton County, Michigan, USA | 47° 4' 45" N | 88° 35' 25" W | 7.5km (4.7 miles) | |
| Superior, Portage Township, Houghton County, Michigan, USA | 47° 4' 32" N | 88° 35' 48" W | 7.6km (4.7 miles) | |
| Superior Mine (Old Superior Mine), Superior, Portage Township, Houghton County, Michigan, USA | 47° 4' 37" N | 88° 36' 5" W | 7.9km (4.9 miles) | |
| Unnamed Copper Prospect (MRDS - 10145980), Superior, Portage Township, Houghton County, Michigan, USA | 47° 4' 54" N | 88° 35' 54" W | 8.2km (5.1 miles) | |
| Houghton County Road Commission Quarry, Superior, Portage Township, Houghton County, Michigan, USA | 47° 4' 54" N | 88° 36' 1" W | 8.2km (5.1 miles) | |
| Unnamed Copper Prospect (MRDS - 10218638), Superior, Portage Township, Houghton County, Michigan, USA | 47° 4' 45" N | 88° 36' 15" W | 8.2km (5.1 miles) | |
| Dodgeville Pit and Mill, Dodgeville, Portage Township, Houghton County, Michigan, USA | 47° 5' 25" N | 88° 35' 5" W | 8.2km (5.1 miles) | |
| Dodgeville, Portage Township, Houghton County, Michigan, USA | 47° 5' 38" N | 88° 34' 52" W | 8.5km (5.3 miles) | |
| Atlantic Section 16 Exploration Prospect, Baltic, Adams Township, Houghton County, Michigan, USA | 47° 4' 12" N | 88° 37' 6" W | 8.5km (5.3 miles) | |
| Point Mills, Torch Lake Township, Houghton County, Michigan, USA | 47° 5' 41" N | 88° 28' 14" W | 8.5km (5.3 miles) | |
| Baltic Mine, Baltic, Adams Township, Houghton County, Michigan, USA | 47° 4' 6" N | 88° 37' 19" W | 8.6km (5.4 miles) | |
| Isle Royal No. 5 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA | 47° 5' 39" N | 88° 35' 11" W | 8.7km (5.4 miles) | |
| Isle Royal Mines, Portage Township, Houghton County, Michigan, USA | 47° 5' 50" N | 88° 34' 48" W | 8.7km (5.4 miles) | |
| Isle Royal No. 6 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA | 47° 5' 30" N | 88° 35' 36" W | 8.8km (5.4 miles) | |
| Houghton County Road Commission pit, Superior, Portage Township, Houghton County, Michigan, USA | 47° 5' 15" N | 88° 36' 4" W | 8.8km (5.4 miles) | |
| Isle Royal No. 4 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA | 47° 5' 50" N | 88° 34' 50" W | 8.8km (5.4 miles) | |
| Baltic No. 2 shaft, Baltic Mine, Baltic, Adams Township, Houghton County, Michigan, USA | 47° 3' 43" N | 88° 38' 12" W | 9.3km (5.8 miles) | |
| Baltic, Adams Township, Houghton County, Michigan, USA | 47° 4' 2" N | 88° 38' 0" W | 9.3km (5.8 miles) | |
| Unnamed Copper Prospect (MRDS - 10194555), Point Mills, Torch Lake Township, Houghton County, Michigan, USA | 47° 6' 20" N | 88° 28' 40" W | 9.3km (5.8 miles) | |
| Mabbs Mine, Houghton, Houghton County, Michigan, USA | 47° 6' 38" N | 88° 33' 8" W | 9.4km (5.8 miles) | |
| Isle Royal No. 2 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA | 47° 6' 27" N | 88° 34' 14" W | 9.5km (5.9 miles) | |
| Unnamed Copper Prospect (MRDS - 10291201), Houghton, Houghton County, Michigan, USA | 47° 6' 39" N | 88° 33' 24" W | 9.5km (5.9 miles) | |
| Huron Mine (Houghton Mine), Houghton, Houghton County, Michigan, USA | 47° 6' 17" N | 88° 35' 12" W | 9.7km (6.0 miles) | |
| Hurontown, Portage Township, Houghton County, Michigan, USA | 47° 6' 39" N | 88° 34' 24" W | 9.9km (6.2 miles) | |
| Isle Royal No. 1 shaft, Isle Royal Mines, Houghton, Houghton County, Michigan, USA | 47° 6' 47" N | 88° 33' 56" W | 9.9km (6.2 miles) | |
| Jacobsville Sandstone, Torch Lake Township, Houghton County, Michigan, USA | 46° 58' 53" N | 88° 24' 39" W | 10.1km (6.3 miles) | |
| Trimountain Mine, Trimountain, Adams Township, Houghton County, Michigan, USA | 47° 3' 19" N | 88° 39' 12" W | 10.2km (6.3 miles) | |
| Portage Mine (Grand Portage Mine), Houghton, Houghton County, Michigan, USA | 47° 6' 56" N | 88° 34' 1" W | 10.2km (6.3 miles) | |
| Sheldon-Columbian Mine, Houghton, Houghton County, Michigan, USA | 47° 6' 59" N | 88° 33' 50" W | 10.2km (6.4 miles) | |
| Columbian Mine (Albion Mine), Sheldon-Columbian Mine, Houghton, Houghton County, Michigan, USA | 47° 6' 59" N | 88° 33' 50" W | 10.2km (6.4 miles) | |
Baltic Mine, Baltic, Adams Township, Houghton County, Michigan, USA