| Date: | 2008-03-04 |
| Time: | 0000 A |
| Geyser: | Black Diamond Pool |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2020-05-03 08:08:35 |
| Time Uploaded: | 2020-05-03 08:08:36 |
| Entrant: | mhreed |
| Observer: | Powell article in Transactions XII pg. 73 |
| Submitted to: | Geysertimes.org |
| Comments: | Overnight event. Carolyn Loren reports: "Later on Rowan Laing reported a lot of sediment in the ‘pool up from Opal’; Jim Holstein saw a wider runoff channel and sediment with some snow on top. Since Biscuit is visited daily by many guides it seems likely an overnight event 3/3-4." |