| Date: | 2009-06-29 |
| Time: | 0900 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. 74 |
| Submitted to: | Geysertimes.org |
| Comments: | Visitor report between roughly 0830 and 0930. Joanne Kearny in a note to Ralph Taylor: "2 visitors claimed that they saw a big black eruption from what is Black Diamond...I showed them the photo of the May 17 eruption and they said that was it." |