Place
- Henning2
- Kettle Falls2
- Koochiching2
- Lake2
- Misquah Hills2
- Oak island2
- Otter Tail2
- Rainy Lake City2
- Red Lake2
- Redwood Falls2
- Roseau2
- Arnold1
- At Skibo Vista, 12 miles southeast of Aurora1
- At north edge of Cannon Falls along highway 20. On southwest facing hillside with exposed sandstone.1
- Becker1
- Blueberry Island1
- Chippewa1
- Flag Island, Lake of the Woods1
- Goodhue1
- Grand Marais, along north shore of Lake Superior1