Underwood, MN Mines
Mines in Underwood, Minnesota
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Mark Pit and Mill | Mark Sand And Gravel Co | Private | Sand and Gravel | |
| Otter Tail County Peat Bogs | Private | Peat | ||
| Petersen Pit | Mark Sand And Gravel Co | Private | Sand and Gravel |