| Date: | 2005-05-29 |
| Time: | 1040 |
| Geyser: | Giant Hot Period |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 7m25s |
| Standardized Duration: | 7m 25s |
| Time Entered: | 2016-03-12 18:14:16 |
| Time Updated: | 2016-03-12 18:15:01 |
| Time Uploaded: | 2019-05-13 21:46:31 |
| Entrant: | Tara |
| Observer: | Tara Cross |
| Submitted to: | Geysertimes.org |
| Comments: | Mastiff did not boil significantly; very little runoff. |