| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Postville, Allamakee County, Iowa, USA | 43° 5' 4" N | 91° 34' 5" W | 9.7km (6.0 miles) | |
| Postville quarry, Postville, Allamakee County, Iowa, USA | 43° 7' 38" N | 91° 33' 53" W | 11.7km (7.3 miles) | |
| Roadcut (MRDS 10082048), Clayton County, Iowa, USA | 42° 56' 54" N | 91° 23' 33" W | 13.4km (8.3 miles) | |
| Indian Lead Mines, Clayton County, Iowa, USA | 42° 54' 18" N | 91° 28' 35" W | 17.4km (10.8 miles) | |
| Old Indian Mines, Clayton County, Iowa, USA | 42° 53' 54" N | 91° 27' 30" W | 18.0km (11.2 miles) | |
| Elkader Mine, Clayton County, Iowa, USA | 42° 52' 24" N | 91° 22' 48" W | 21.6km (13.4 miles) | |
| Iron Hill Mine (Waukon Iron Mine), Waukon, Allamakee County, Iowa, USA | 43° 16' 0" N | 91° 28' 29" W | 23.0km (14.3 miles) | |
| Waukon, Allamakee County, Iowa, USA | 43° 16' 9" N | 91° 28' 32" W | 23.3km (14.5 miles) | |
| Unnamed Fe occurrence [1], Allamakee County, Iowa, USA | 43° 16' 9" N | 91° 24' 42" W | 23.5km (14.6 miles) | |
| Own Crews (MRDS - 10205646), Crawford County, Wisconsin, USA | 43° 3' 6" N | 91° 8' 48" W | 25.0km (15.5 miles) | |
| Sny Magill Mines, Clayton County, Iowa, USA | 42° 56' 57" N | 91° 11' 6" W | 25.1km (15.6 miles) | |
| Quarry (MRDS 10082017), Clayton County, Iowa, USA | 42° 56' 17" N | 91° 10' 42" W | 26.2km (16.3 miles) | |
| Wetzel Quarry (Loren Slaght), Crawford County, Wisconsin, USA | 43° 2' 39" N | 91° 7' 40" W | 26.6km (16.5 miles) | |
| Kraemer Company Quarry, Prairie du Chien, Crawford County, Wisconsin, USA | 43° 2' 44" N | 91° 7' 30" W | 26.8km (16.6 miles) | |
| Roadcut (MRDS 10082049), Clayton County, Iowa, USA | 42° 51' 52" N | 91° 15' 5" W | 27.3km (17.0 miles) | |
| Volga Occurrence, Clayton County, Iowa, USA | 42° 48' 24" N | 91° 32' 40" W | 29.1km (18.1 miles) | |
| Volga, Clayton County, Iowa, USA | 42° 48' 16" N | 91° 32' 27" W | 29.3km (18.2 miles) | |
| Harpers Ferry Diggings, Allamakee County, Iowa, USA | 43° 12' 25" N | 91° 9' 13" W | 29.3km (18.2 miles) | |
| West Union, Fayette County, Iowa, USA | 42° 57' 45" N | 91° 48' 29" W | 30.8km (19.1 miles) | |
| O'Connel Quarry (Loren Slaght), Crawford County, Wisconsin, USA | 43° 11' 26" N | 91° 6' 29" W | 31.6km (19.6 miles) | |
| Bridgeport Cave, Grant County, Wisconsin, USA | 42° 58' 59" N | 91° 4' 36" W | 31.8km (19.8 miles) | |
| Clark Quarry (Loren J. Slaght), Grant County, Wisconsin, USA | 42° 56' 15" N | 91° 5' 29" W | 32.5km (20.2 miles) | |
| Dahman Quarry, Crawford County, Wisconsin, USA | 43° 0' 29" N | 91° 3' 29" W | 32.7km (20.3 miles) | |
| Dallas Cohen Quarry, Grant County, Wisconsin, USA | 42° 54' 38" N | 91° 6' 23" W | 32.8km (20.4 miles) | |
| Achenbach Quarry (Loren Slaght), Crawford County, Wisconsin, USA | 43° 8' 13" N | 91° 2' 21" W | 34.7km (21.6 miles) | |
| Spellman Farm, Clayton County, Iowa, USA | 42° 45' 14" N | 91° 21' 42" W | 34.9km (21.7 miles) | |
| Unnamed Diggings, Winneshiek County, Iowa, USA | 43° 19' 20" N | 91° 41' 36" W | 35.0km (21.8 miles) | |
| Ducharme Quarry (Loren Slaught; Oswald Quarry and Mill), Crawford County, Wisconsin, USA | 43° 7' 36" N | 91° 1' 32" W | 35.6km (22.1 miles) | |
| Kann Mine, Clayton County, Iowa, USA | 42° 49' 0" N | 91° 10' 3" W | 35.7km (22.2 miles) | |
| Turner Creek Occurrence, Fayette County, Iowa, USA | 42° 58' 50" N | 91° 52' 50" W | 35.8km (22.2 miles) | |
