| American Mine No 2 |
Celotex Corp |
Private |
|
Gypsum-Anhydrite |
| American Mine Number 2 Quarry |
|
Private |
|
Gypsum-Anhydrite |
| Brush Wellman/ Elmore, Ohio |
Brush Wellman, Inc. |
|
|
Beryllium |
| Clay Center Plant |
Edward Kraemer And Sons |
Private |
|
Stone |
| Geawe Quarry |
Geawe Inc. |
Private |
|
Stone, Crushed |
| Genoa Quarry |
|
Private |
|
Calcium |
| Lower Mine |
U.S. Gypsum Co. |
|
|
Gypsum-Anhydrite |
| Marblehead Quarry |
Standard Slag Co., Marblehead Stone Div. |
Private |
|
Stone, Crushed |
| Marblehead Stone Quarry |
|
Private |
|
Limestone |
| Ottawa County Hwy Dept. |
Ottawa County |
Unknown |
|
Stone, Crushed |
| Rocky Ridge Plant & Quarry |
Maumee Stone Co. |
Private |
|
Stone, Crushed |
| Rocky Ridge Quarry |
|
Private |
|
Limestone |
| U.S. Gypsum Company Genoa Quarry |
U.S. Gypsum Co. |
Private |
|
Stone, Crushed |
| U.S. Gypsum Mill |
U.S. Gypsum Co. |
Unknown |
|
Gypsum-Anhydrite |
| United States Gypsum Co. Mine |
|
Private |
|
Gypsum-Anhydrite |
| White Rock Quarry |
|
Private |
|
Calcium |
| White Rock Quarry |
Edward Kraemer And Sons, Inc. |
Private |
|
Calcium |
