Washington County, OH Gemstones Mines
Gemstones Mines in Washington County, OH
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Mason's House of Flint Mine | Mr. And Mrs. Clayton Mason | Gemstones |
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Mason's House of Flint Mine | Mr. And Mrs. Clayton Mason | Gemstones |