Photograph of a pack of mules hauling bags of cement for construction of the Los Angeles Aqueduct. Caption on reverse reads "hauling cement to mixer north end Deadman syphen [sic]." Catherine Mulholland Collection. Water Works - Documenting Water History in Los Angeles.
St. Francis Dam Flood March 12-13, 1928, Los Angeles County, California. Looking downstream to huge blocks of cement at the base of the east abutment of the dam. Note dust clouds in the background from landslides that were still in progress. March 17, 1928.
Reservoir in San Francisquito Canyon that held 12.5 billion gallons of water for the Los Angeles Department of Water and Power — seen here just after the collapse of the St. Francis Dam on March 12-13, 1928. The line between dark and light represents the pre-disaster water level. The concrete dam would have been just out of view at the bottom of this photo.