| Photographers number: | 118 |
|---|---|
| Title: | Summit Tunnel - Eastern Portal. Length 1,660 feet |
| Notes: | Watkins mount |
| Photographer: | Alfred A Hart |
| Publisher: | Carleton Watkins |
| Format: | Stereograph |
| Image courtesy of: | The New York Public Library |
| Tags: | California | Placer County | Tunnel |
| CarletonWatkins.org ID: | 1004793 |