View looking south through ravine from 4th Street Bridge over Lorena Street, Los Angeles, 1937 

Lorena Street-4th Street grade separation, Los Angeles, 1930 

Old 4th Street viaduct over Los Angeles River, Los Angeles, 1930 

Lorena Street-4th Street grade separation, Los Angeles, 1930 

View looking north through ravine and along Grande Vista Street from Whittier Boulevard, Los Angeles, 1937 

Lorena Street-4th Street grade separation, Los Angeles, 1930 

View looking east from Second Street viaduct over P.E.Ry., Santa Monica, Los Angeles County, 1927 

View looking west from Second Street viaduct over P.E.Ry., Santa Monica, Los Angeles County, 1927 

Soto Street viaduct over Ramona Boulevard, Los Angeles, 1938 

View looking east from Ocean Avenue viaduct over P.E. Railway, Santa Monica, Los Angeles County, 1927 

Sixth Street viaduct over Los Angeles River, Los Angeles, 1938 

Sixth Street viaduct over Los Angeles River, Los Angeles, 1938 

View looking north over Sunset Boulevard from Sunvue Circle, Los Angeles, 1937 

First Street viaduct over Figueroa Street looking south, Los Angeles, 1940 

View of First Street viaduct over the Los Angeles River, looking east from near west end of viaduct, Los Angeles, 1923 

Viaduct over Pico Boulevard at San Vicente from point in center of Tremaine Street north of Pico Boulevard looking south at P.E. viaduct over Pico Street [sic], Los Angeles, 1927 

View from point above Chavez Ravine and Sunset Boulevard and just east of Innes Avenue, looking north over city of Los Angeles, 1937 

View looking north along east Los Angeles city boundary from Folsom Street, Los Angeles, 1937 

Viaduct over Pico Boulevard at San Vicente from center of Pico Boulevard east of viaduct looking west along Pico Boulevard, Los Angeles, 1927 

Myra Street Bridge, Los Angeles, 1937