Percolating. . .
| Geyser: | Cistern Spring |
| Date/Time: | 1981-11-15 @ 1200 |
| Entrant: | research-mab |
| Observer: | 1981 Norris log |
| Time Entered: | 2023-11-28 07:50:04 |
| Time Uploaded: | 2023-11-28 07:50:04 |
| Submitted to: | Geysertimes.org |
| Note: | Nov 15 1981 – no time noted – {post-quake check} Cistern Spring 180° gentle constant boil to 6” , same dark rim as after the fall disturbance probably was turbid was has cleared again. Periodic periods of much heavier overflow. |