| Date: | 2018-04-20 |
| Time: | 1146 |
| Geyser: | Event Non-Geyser Related |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2018-04-20 12:17:42 |
| Time Uploaded: | 2018-04-20 12:17:42 |
| Entrant: | DanS |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | 5 wolves trailing group of Bison along overlook trail between Iron bridge and Grand prismatic |