| Date: | 2017-07-28 |
| Time: | 1728 |
| Geyser: | Grotto |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~3h |
| Standardized Duration: | ~ |
| Time Entered: | 2017-07-28 18:36:54 |
| Time Updated: | 2017-07-28 21:39:45 |
| Time Uploaded: | 2019-05-13 21:38:53 |
| Entrant: | mhreed |
| Observer: | Mara Reed |
| Submitted to: | Geysertimes.org |
| Comments: | Still erupting at 2015, but off at 2040. Duration approximate based on a midpoint-ish (2028) end time - thanks Tara Cross. |