| Date: | 1975-05-18 |
| Time: | 1030 |
| Geyser: | Ledge |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 20m |
| Standardized Duration: | 20m |
| Time Entered: | 2017-09-02 06:32:32 |
| Time Uploaded: | 2019-05-13 21:48:53 |
| Entrant: | research-mab |
| Observer: | 1975 Log |
| Submitted to: | |
| Comments: | along with Dark Cavern and Valentine. Dark Cavern quit first after about 10 minutes then Ledge stopped after another 10 minutes Valentine continued for another 20 minutes or so. Valentine started with much water to 20’ then became stronger with more steam; water going to 40’ gradually more steam and less water. |