| Date: | 2017-07-28 |
| Time: | 1528 |
| Geyser: | Sprinkler-LGB |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2019-01-06 14:45:49 |
| Time Uploaded: | 2019-01-06 14:45:49 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | Geysertimes.org |
| Comments: | "Big Sprinkler Vent", at 44° 33' 15.25" North latitude, 110° 48' 39.70" West longitude (using 2016 satellite photos & Google Earth coordinates). Decent-sized eruption from 1528 to 1529. |