Bubbling. . .
| Geyser: | Grotto |
| Date/Time From: | 2019-04-20 @ 0949 |
| Date/Time To: | 2019-04-20 @ 1022 |
| Entrant: | RMichaels |
| Observer: | |
| Time Entered: | 2019-04-20 23:01:36 |
| Time Uploaded: | 2019-04-20 23:01:36 |
| Submitted to: | Geysertimes.org |
| Note: | Prior to Grotto's eruption, water was rising and falling cyclically in the pressure pool. I don't recall seeing it do this at all last year. No activity seen in Grotto Fountain during this period or at any other time today. |