| Date: | 2006-05-30 |
| Time: | 0736 ie |
| Geyser: | Giant Hot Period |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | >6m |
| Standardized Duration: | >6m |
| Time Entered: | 2013-07-14 01:00:59 |
| Time Updated: | 2016-03-06 20:10:46 |
| Time Uploaded: | 2019-05-13 21:36:50 |
| Entrant: | Tara |
| Observer: | Tara Cross |
| Submitted to: | Geysertimes.org |
| Comments: | Mastiff surged 2-3 feet. |