Placard-bearing citizens protesting Harbor Freeway project at Los Angeles County Board of Supervisors meeting, 1947-09-17
Last cable streetcar completing its final run in Los Angeles, Calif., 1963-03-25
Aerial view of Los Angeles International Airport and surrounding roadways. 1966-09-04
Know Your City No.101: Silver Lake Reservoir and buildings, view looking north toward the mountains. 1956-02-26
Aerial view of excavation and beginning construction of Santa Monica Freeway at La Cienega and Venice Blvds. 1964-03-22
Know Your City No.79 Automobiles going through entrance of Figueroa Street tunnels on the Pasadena Freeway, Calif., 1956-02-04
Cahuenga Pass Freeway, view looking south to the junction of Cahuenga and Highland Aves in Los Angeles, Calif., 1940-06-16
Los Angeles aqueduct, damaged section of channel, Inyo County, [1924-1931?]
Glendale bridge destroyed by a storm flooding in the Los Angeles River, Los Angeles, 1927-02-16
Civil engineers Marilyn Reece and Carol Schumaker standing next to the Reece designed Santa Monica - San Diego interchange, 1964-04-06
Outlet tunnel at Devil's Gate Dam, La Cañada Flintridge, between 1920-1939
Construction site for the expansion of the Pacific Electric Railroad, Los Angeles, 1925
Wrecking crew tearing out streetcar tracks on Vermont Ave. in Los Angeles, Calif., 1948-09-24
Santa Monica Pier seen from an aerial view, 1972-05
Rows of oil pumps stretching along Pacific Coast Highway near Huntington Beach, Calif., 1958-10-12
Know Your City No.248 Southern Pacific railroad freight yard with Los Angeles skyline in background, 1956-07-23
New trackless trolleys making first day run in at corner of Sixth St. and Broadway, Los Angeles, Calif., 1947-08-05
View from across Pershing Square of construction on skyscrapers in Los Angeles, Calif., 1966-07-10
Chavez Ravine property owners examine bulldozed ruins, 1959-05