| Date: | 1991-08-15 |
| Time: | 1153 |
| Geyser: | Black Pool |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 30s |
| Standardized Duration: | 30s |
| Time Entered: | 2017-04-09 18:56:36 |
| Time Uploaded: | 2019-05-13 21:43:06 |
| Entrant: | Janet Jones |
| Observer: | Allan Friedman |
| Submitted to: | Geysertimes.org |
| Comments: | From his article in GOSA Transactions Vol III.There were seven eruptions witnessed that increased in intensity until the last one that was "over 2 feet high and 3 feet wide." All eruptions lasted from 30 to 43 seconds. |