| Date: | 1999-12-17 |
| Time: | 0957 |
| Geyser: | Hillside-West Thumb |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~5m |
| Standardized Duration: | ~5m |
| Time Entered: | 2020-05-03 04:31:08 |
| Time Uploaded: | 2020-05-03 04:31:08 |
| Entrant: | mhreed |
| Observer: | Feb 2000 Sput pg. 9 |
| Submitted to: | Geysertimes.org |
| Comments: | Height approximately 20 ft. |