Williamson Coal Company
Coal Mines
| Mine Index | Coal Company, Mine Name | Quadrangle | County |
|---|---|---|---|
| 0955 | Williamson Coal Company, Williamson No. 1 Mine | Herrin | Williamson |
| 1005 | Williamson Coal Company, Williamson No. 2 Mine | De Soto Herrin | Williamson |
| 1027 | Williamson Coal Company, Williamson No. 2 Mine S Coal Company, Cambria No. 1 Mine | De Soto Herrin | Williamson |