Mining Review 2nd Year No. 12 (1949)
Direttori: Patricia Spielman, Peter Pickering, Raylton Fleming.
| Directing | Patricia Spielman | Director |
| Directing | Peter Pickering | Director |
| Directing | Raylton Fleming | Director |
| Camera | Wolfgang Suschitzky | Director of Photography |
| Camera | James Ritchie | Director of Photography |
| Camera | John Reid | Director of Photography |
| Camera | Lionel Griffiths | Director of Photography |