GASMAIN
| Date | Clue |
|---|---|
| 2021-01-17 | Major utility pipeline |
| 2019-12-22 | Fuel line |
| 2017-05-14 | Line to a pilot? |
| 2017-05-07 | Part of an underground network |
| 2016-05-29 | Obstacle in road repairs, maybe |
| Date | Clue |
|---|---|
| 2021-01-17 | Major utility pipeline |
| 2019-12-22 | Fuel line |
| 2017-05-14 | Line to a pilot? |
| 2017-05-07 | Part of an underground network |
| 2016-05-29 | Obstacle in road repairs, maybe |