| Date: | 1973-06-17 |
| Time: | 1149 |
| Geyser: | Grand |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 10m35s |
| Standardized Duration: | 10m 35s |
| Grand Code: | -4- |
| Time Entered: | 2012-06-03 17:13:46 |
| Time Uploaded: | 2019-05-13 21:49:02 |
| Entrant: | BoekelUpload |
| Observer: | OFVCL-EV |
| Submitted to: | Geysertimes.org |
| Comments: | (4B) |