| Filename | Brittain_233_6_2018-07-12_0001 |
| Title | Petroleum Resources Lab in correspondence with D. D. McLean |
| Front/Back | Front |
| Blank | No |
| Author | Petroleum Resources Lab |
| Date | 1972-10-11 |
| Type | Correspondence |
| Country | Canada |
| State | Ontario |
| County | |
| Township | |
| Lot | |
| Concession | |
| OGSRA Well Ind | No |
| Quality Score | 2 |
| Documentation Score | 3 |
| Description | A typed letter from Petroleum Resources Lab to D. D. McLean regarding tasks for inspectors during slack drilling periods. |