Thinking. . .
| Geyser: | Arch Steam Vent |
| Date/Time: | 1971-07-21 @ 1200 |
| Entrant: | research-mab |
| Observer: | E. Leigh ~ Norris Thermal Record 1970-72 |
| Time Entered: | 2023-12-20 06:19:04 |
| Time Uploaded: | 2023-12-20 06:19:04 |
| Submitted to: | Geysertimes.org |
| Note: | 1971- July 21 - no time - steam 93C Not too fast or much noise (189F) |