| Date: | 2006-07-18 |
| Time: | 0901 |
| 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 08:08:35 |
| Entrant: | mhreed |
| Observer: | Bob Spoelhof |
| Submitted to: | Geysertimes.org |
| Comments: | Reported by Richard L. Powell in Transactions XII pg. 68: "Four heavy concussions muddy surges to 6 feet high and all three lower pools muddy. Lowest pool starting to clear by 1100. Mud and rocks ejected." |