Percolating. . .
| Geyser: | Grotto |
| Date/Time: | 2017-09-29 @ 1153 |
| Entrant: | Polly |
| Observer: | Polly |
| Time Entered: | 2017-09-29 11:59:33 |
| Time Updated: | 2017-09-29 12:07:21 |
| Time Uploaded: | 2017-09-29 12:07:22 |
| Submitted to: | Geysertimes.org |
| Note: | Off before 1153. Strong and lengthy Rocket at start. |