| Select the blue operation name for a tabular report of mining statistics or select the icon  (where available) for additionaldocuments including photos, maps, news & articles. |
| Jermyn No. 3 (Johnson No. 1) |
| Jermyn No. 4 (Johnson No. 2) |
| Johnson (2 breakers) |
| Throop (Jermyn No. 4) |