| Photographers number: | Unnumbered |
|---|---|
| Title: | Gasworks and Valley, William C. Ralston Estate, San Mateo County |
| Photographer: | Carleton E Watkins |
| Publisher: | Carleton Watkins |
| Format: | Mammoth Plate |
| Photographed: | circa 1872 |
| Image courtesy of: | Online Archive of California |
| Tags: | California | San Mateo County |
| CarletonWatkins.org ID: | 1006118 |