| Date: | 1938-06-21 |
| Time: | 0935 |
| Geyser: | King |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 6.5 minutes |
| Standardized Duration: | 6.5m |
| Time Entered: | 2013-07-16 00:07:46 |
| Time Uploaded: | 2019-05-13 21:37:10 |
| Entrant: | Tara |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | Height 6 feet high and 12 feet wide. West Thumb Ranger Station logbook, June 21, 1938, p. 28, Box W-37, YNP Archives. |