| Date: | 1973-04-08 |
| Time: | 0315 A |
| Geyser: | Ledge |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2017-09-08 07:32:22 |
| Time Uploaded: | 2017-10-02 14:28:44 |
| Entrant: | research-mab |
| Observer: | 1973 log R.Hutchinson |
| Submitted to: | |
| Comments: | Was awakened at 3:15 AM by... loud roar coming from Porcelain Basin so Ledge was probably in eruption at that time. There was approximately ¾ inch of sold translucent ice on the slopes west of Ledge Geyser and the margin of the boardwalks had frost plumes up to 4 inches in length which had grown during the night |