Percolating. . .
| Geyser: | Fan and Mortar |
| Date/Time: | 2012-09-12 @ 0456 |
| Entrant: | Graham |
| Observer: | |
| Time Entered: | 2012-09-12 06:16:30 |
| Time Uploaded: | 2012-09-12 06:16:30 |
| Submitted to: | Geysertimes.org |
| Note: | 0456 RV pause and MV roaring. High started jetting 4\' 23m into River but died down |