| Date: | 2006-07-03 |
| Time: | 1533 |
| Geyser: | Giant Hot Period |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 58s |
| Standardized Duration: | 58s |
| Time Entered: | 2013-07-14 04:02:00 |
| Time Updated: | 2013-07-14 13:46:57 |
| Time Uploaded: | 2019-05-13 21:36:54 |
| Entrant: | Tara |
| Observer: | Tara Cross |
| Submitted to: | Geysertimes.org |
| Comments: | Southwest Vents started 25-30 seconds before Feather. Mastiff did not overflow. Immediately prior to this hot period, the back vent of Mastiff had a large surge about 6 feet wide and 5 feet tall that lasted about 5 seconds. |