Aqueduct, 1915
Tunnel, 1915
Water Pipeline, 1924
Bridges
Pine Valley, 1920
Mission Bay, 1937
Sunset Cliffs, 1915
Sunset Cliffs, 1918
Flumes
Flume, 1885
Flume, 1888
Flume, 1915
Flume, 1925
Dams
Escondido Dam, 1905
Lake Murray Dam, 1915
Barrett Dam, 1922
El Capitan Dam, 1937
Dams: Morena
Lake Morena Dam, 1918
Lake Morena Dam,1920
Lake Morena Dam, 1935
Dams: Sweetwater
Sweetwater Dam, 1900
Sweetwater Dam, 1925
Dams: Lake Hodges
Lake Hodges Dam, 1935
Lake Hodges Dam, 1936
Dams: Otay
Lower Otay Dam, 1923
Lower Otay Dam, around 1923
For more information about the HELP Program, please contact the San Diego History Center’s Education Department at: education@sandiegohistory.org
