upper dimond canyon

photograph Jackson Welsh 1940 Piedmont Line, ca. 1940. Photograph. Description: Black white Upper Dimond Canyon, Oakland. Park Street line, ca. 1940's. Original photographs by Jackson Welsh.	photograph Jackson Welsh 1930 Upper Dimond Canyon, Lamert Bridge - Park St. Line, Oakland, ca. 1940. Photograph. Description: Key Rte. Center opening cars, early 1930's. Original photographs by Jackson Welsh.
photograph Commercial Studios Oakland Photograph. Description: Upper Dimond Canyon. Physical Description: black and white print, 10.75 x 13.5", with border.