Percolating. . .
| Geyser: | UNNG-MGB-1 |
| Date/Time From: | 2019-06-06 @ 1100 |
| Date/Time To: | 2019-06-06 @ 1230 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Time Entered: | 2019-06-06 19:50:40 |
| Time Uploaded: | 2019-06-06 19:50:40 |
| Submitted to: | Geysertimes.org |
| Note: | Watched Steel Bridge Springs for 1.5 hours. No eruptions. Light, passive steaming from Perfect Plume Geyser & MRCGNN016 & 023 (apparently engaged in low spitting in vent) & 025/026 & 027 & 032. |