| Date: | 1971-10-05 |
| Time: | 0000 |
| Geyser: | Arch Steam Vent |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2019-01-22 09:47:24 |
| Time Uploaded: | 2019-01-22 09:47:24 |
| Entrant: | research-mab |
| Observer: | Hutchinson correspondence Geo Box 73 |
| Submitted to: | Geysertimes.org |
| Comments: | Hutchinson seen Oct 6 – vent enlarged- muddy water coated trees 80 ft from vent sign rolled 30’ downslope – foot wide gully eroded- channel under BW clogged- BW repaired and raised by late Oct |