Hubbard, IA Mines
Mines in Hubbard, Iowa
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Becker Pit | Hardin County | Unknown | Sand and Gravel | |
| Granzow Pit | W. T. Kelly | Unknown | Sand and Gravel | |
| Last Pit | Smuck And Balvanz | Unknown | Sand and Gravel | |
| Sievert Pit | Maudlin Const. Co. | Unknown | Sand and Gravel | |
| Van Patter Quarry | Weaver Construction Co. | Unknown | Stone, Crushed |