Grand Junction, IA Clays Mines
Clays Mines in Grand Junction, Iowa
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Goodwin Brick and Tile Works | Goodwin Brick And Tile Works | Unknown | Clays |
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Goodwin Brick and Tile Works | Goodwin Brick And Tile Works | Unknown | Clays |