| Filename | Brittain_243_10_2018-07-17_0011 |
| Title | Drilling Success Ratios - 1971 |
| Front/Back | Front |
| Blank | No |
| Author | |
| Date | 1971-01-01 |
| Type | Report |
| Country | Canada |
| State | Ontario |
| County | |
| Township | |
| Lot | |
| Concession | |
| OGSRA Well Ind | No |
| Quality Score | 2 |
| Documentation Score | 3 |
| Description | A table of drilling success ratios for 1971. |