Mines in Union County, IA
| Mine |
Owner |
Land Status |
Work Type |
Minerals |
| Afton Pit |
Grand River Limestone |
Unknown |
|
Sand and Gravel |
| Afton-Lacena Pit |
Peters Construction Co. |
Unknown |
|
Sand and Gravel |
| Bullock Quarry |
|
Unknown |
|
Stone, Crushed |
| Spring Valley Lake |
|
Unknown |
|
Sand and Gravel |
| Thayer Pit |
Peters Construction Co. |
Unknown |
|
Sand and Gravel |
| Thayer Quarry |
Schildberg Construction Co., Inc. |
Unknown |
|
Stone, Crushed |
| Unknown |
Union County Highway Department |
Unknown |
|
Sand and Gravel |
| Unknown |
Schildberg Construction Co., Inc. |
Unknown |
|
Sand and Gravel |
| Unknown |
|
Unknown |
|
Stone, Crushed |
| Unknown |
|
Unknown |
|
Stone, Crushed |
