| Date: | 1997-04-21 |
| Time: | 1337 |
| Geyser: | Old Faithful |
| Webcam: | No |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 4m39s |
| Standardized Duration: | 4m 39s |
| Time Entered: | 2020-08-29 10:09:46 |
| Time Uploaded: | 2020-08-29 10:09:46 |
| Entrant: | JarnoO |
| Observer: | OFVCL-EV |
| Submitted to: | Geysertimes.org |
| Comments: | preplay 1331; height 135'; prediction 1339 |