| Photographers number: | Unnumbered |
|---|---|
| Title: | Engine Humbolt - Alta |
| Notes: | unnumbered view on A.A. Hart mount |
| Photographer: | Alfred A Hart |
| Publisher: | Alfred A Hart |
| Format: | Stereograph |
| Image courtesy of: | Bill Lee |
| Tags: | California | Placer County |
| CarletonWatkins.org ID: | 1004729 |