Percolating. . .
| Geyser: | Echinus |
| Date/Time: | 1964-10-18 @ 1800 |
| Entrant: | research-mab |
| Observer: | 1964 log |
| Time Entered: | 2017-09-18 09:43:40 |
| Time Uploaded: | 2017-10-02 14:45:06 |
| Submitted to: | |
| Note: | 10/18/1964 Echinus was not checked. But reports indicate an 80-90 minute intervals. |