| Photographers number: | 197 |
|---|---|
| Title: | Summit Tunnel, before completion - Western Summit - Altitude 7,042 feet |
| Notes: | Watkins mount |
| Photographer: | Alfred A Hart |
| Publisher: | Carleton Watkins |
| Format: | Stereograph |
| Image courtesy of: | Steve Heselton |
| Tags: | California | Interior | Placer County |
| CarletonWatkins.org ID: | 1004900 |