| Date: | 1997-12-28 |
| Time: | 0630 A |
| Geyser: | Giant Hot Period |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2020-08-29 11:03:14 |
| Time Uploaded: | 2020-08-29 11:03:15 |
| Entrant: | JarnoO |
| Observer: | OFVCL-EV |
| Submitted to: | Geysertimes.org |
| Comments: | before 0700; melted water in Mastiff runoff channel |