| Photographers number: | 1815 |
|---|---|
| Title: | Humbug Canyon from Henness Pass Grade, North Bloomfield. N. Bloomfield Gravel M. Co. |
| Photographer: | Carleton E Watkins |
| Publisher: | Carleton Watkins |
| Format: | Stereograph |
| Image courtesy of: | John Weiler |
| Tags: | California | Nevada County |
| CarletonWatkins.org ID: | 1002082 |