Manuscripts

Los Angeles County Flood Control Research

Image not available

Description: The two bound typescripts contain research regarding flooding in Los Angeles County that was prepared by J. W. Reagan, Consulting Engineer for the Corps of Engineers' Engineer Office and Chairman of the Committee of Menaced and Flooded Areas. The report contains statements of various California residents regarding their experience with floods in the Los Angeles area. Their narratives include damage caused by floods as well as work done to prevent flooding in their area including dams and river rerouting. The research chiefly covers floods caused by the Los Angeles River and the San Gabriel River from the 1770s to 1913. The report also includes precipitation data from 1849 to 1913 for parts of southern California.
Type: Manuscripts(Opens in new tab)
Production date: 1914-1915.
Call number: mssHM 66796
Creator

Tentative report to the Board of Supervisors of the Los Angeles County Flood Control District

Manuscripts

The report, written by J. W. Reagan, Chief Engineer of the Los Angeles County Flood Control District, was presented to the Board of Supervisors of the Los Angeles County Flood Control District, February 7, 1924. The report covers the work previously done to prevent flooding in southern California; precipitation data; past floods in southern California; plans for conservation of water; the Los Angeles water supply; and future plans for flood control. The report chiefly deals with floods caused by the Los Angeles River and the San Gabriel River. Also included with the report is a list of cost estimates for the proposed flood control work and twenty pullout maps.

mssHM 66799

Image not available

Los Angeles County Flood Control District papers

Manuscripts

Collection of correspondence and reports related to Frank E. Trask's work with water resource and flood control projects in Southern California from 1931 to 1936. Topics covered include the Los Angeles County Flood Control District's 1927-1931 comprehensive flood control plan, which included the creation of permanent flood channels, reservoirs, and debris basins throughout Los Angeles County; the construction of the Colorado River Aqueduct, which was funded by a $220,000,000 Metropolitan Water District of Southern California bond in 1931; and the funding for various flood control and water resource projects in Southern California from the Fulmer Act (of the Agricultural Adjustment Administration) and the Clarke-McNary Fund. In addition to Trask, notable correspondents include C.H. Howell (Chief Engineer for the Los Angeles County Flood Control District), Senator Hiram Johnson, Senator William G. McAdoo, John Anson Ford, and George Harris Collingwood (American Forestry Association). Also includes correspondence relating to the Municipal League of Los Angeles, the Los Angeles County Board of Supervisors, the National Recovery Administration, the Santa Monica Mountains Fire Prevention Association, the Venice Flood Relief Association, the American Forestry Association, and the National Rivers and Harbors Congress.

mssHM 73000-73025

Image not available

Aerial views of the Los Angeles River during flooding

Visual Materials

Twenty-six aerial black-and-white prints documenting the flooding of the Los Angeles River in March 1938. The views follow the course of the Los Angeles River from the San Fernando Valley to the Pacific Ocean and include areas around the San Fernando Valley, North Hollywood, Universal City, Warner Bros. Studio, Glendale, Pasadena, Elysian Park, Long Beach, Lynwood, Maywood, San Bernardino, Colton, Cabazon, and Guasti. The verso of each print is stamped "115th Photo Section Photograph Fortieth Division Aviation, California National Guard, Griffith Park Airport, Los Angeles California."

photCL 408

Image not available

Los Angeles County Flood Control District

Manuscripts

The collection deals primarily with the professional and personal activities of Samuel Brooks Morris, a civil engineer of note in Southern California who was most active from the 1930s into the early 1960s. The collection deals with local (Pasadena and Los Angeles), state and national engineering concerns, largely related to water reclamation, dams, hydrogeology, water litigation, and a wide range of related technical publications. The material consists of a highly diverse mix of manuscripts and printed materials, including correspondence, maps, notes, charts, fliers, and brochures, often interspersed within each folder. The correspondence is primarly to and from colleagues, but also includes discusion with government officials at all levels from local to national. The collection includes a small number of photographs, located in appropriate sections of the collection by subject.

mssMorris, Samuel papers

Image not available

Los Angeles County Flood Control District

Manuscripts

mssMorris, Samuel papers

Image not available

Los Angeles - flood control map

Manuscripts

Nine maps documenting properties in Los Angeles, Orange, and San Diego counties in the late nineteenth century and first half of the twentieth century. Includes maps of Southern California ranchos, a flood control map, and various survey and tract maps. Maps of Los Angeles area ranchos and Rancho Los Feliz were surveyed by former Los Angeles City Engineer George C. Hansen.

mssHanson

Los Angeles County Flood Control Research

Opening Hours

Admission Info and Tickets

You might also be interested in

Tentative report to the Board of Supervisors of the Los Angeles County Flood Control District

Los Angeles County Flood Control District papers

Aerial views of the Los Angeles River during flooding

Los Angeles County Flood Control District

Los Angeles County Flood Control District

Los Angeles - flood control map