| Date: | 1975-04-15 |
| Time: | 0831 |
| Geyser: | Grand |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 12m01s |
| Standardized Duration: | 12m 1s |
| Grand Code: | -3- |
| Time Entered: | 2012-06-26 20:01:01 |
| Time Uploaded: | 2019-05-13 21:37:49 |
| Entrant: | BoekelUpload |
| Observer: | OFVCL-EV |
| Submitted to: | Geysertimes.org |
| Comments: | (3B;B1=9m20s;P=34s;B2=41s;P=49s;B3=37s) |