| Date: | 1992-03-18 |
| Time: | 1200 A |
| Geyser: | Black Pool |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2017-04-10 10:54:04 |
| Time Uploaded: | 2017-04-10 10:54:04 |
| Entrant: | Janet Jones |
| Observer: | Ranger stationed at Grant |
| Submitted to: | Geysertimes.org |
| Comments: | A.M. observation that Black has erupted recently -- today or yesterday. Grey cloudy, silting water in pool. New runoff channels carved on lakeshore (drainage) side. Bacteria communities disturbed. |