Deciding. . .
| Geyser: | Dark Cavern |
| Date/Time: | 1971-07-31 @ 1200 |
| Entrant: | research-mab |
| Observer: | E. Leigh ~ Norris Thermal Record 1970-72 |
| Time Entered: | 2023-12-22 06:37:42 |
| Time Uploaded: | 2023-12-22 06:37:42 |
| Submitted to: | Geysertimes.org |
| Note: | 1971 – playing as last year- no change = July 31 - no time - water 89C several small “eruptions” will take place before the major eruption. Not playing as often or not all plays are minor eruptions (192F) |