| Photographers number: | 270 |
|---|---|
| Title: | Tunnel No. 15, Near Camp 24 |
| Notes: | A.A. Hart mount |
| Photographer: | Alfred A Hart |
| Publisher: | Alfred A Hart |
| Format: | Stereograph |
| Image courtesy of: | Library of Congress |
| Tags: | California | Nevada County |
| CarletonWatkins.org ID: | 1005004 |