| Filename | Brittain_233_37_2018-07-12_0005 |
| Title | R. B. Harkness in correspondence with W. D. Brittain |
| Front/Back | Front |
| Blank | No |
| Author | R. B. Harkness |
| Date | 1949-02-28 |
| Type | Correspondence |
| Country | Canada |
| State | Ontario |
| County | |
| Township | |
| Lot | |
| Concession | |
| OGSRA Well Ind | No |
| Quality Score | 2 |
| Documentation Score | 2 |
| Description | A typed letter from R. B. Harkness to W. D. Brittain regarding the use of explosives in oil and gas fields. |