Black Hawk County, IA Clays Mines
Clays Mines in Black Hawk County, IA
| Mine |
Owner |
Land Status |
Work Type |
Minerals |
| Stead Bros. and Guenther Clay Pit |
Stead Brothers And Guenther |
Unknown |
|
Clays |
| Waterloo and Cedar Falls Brick Co. |
Waterloo And Cedar Falls Brick Co. |
Unknown |
|
Clays |
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