| Date: | 2021-07-30 |
| Time: | 1916 |
| Geyser: | UNNG-GHG-18 |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2021-07-30 19:16:30 |
| Time Updated: | 2021-08-28 20:17:12 |
| Time Uploaded: | 2021-09-02 19:08:50 |
| Entrant: | SantaFe108 |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | UNNG-GHG-18 "Marmot's Tail" N-NE of Marmot Cave and W-SW of Plate. |