Map of Ventura County, California

1937

Ventura County (Calif.). Office of the County Surveyor.

1:180k

Map of the County of Los Angeles, California

1888

Rowan, Valentine James

Public recreation areas, metropolitan area, County of Los Angeles

1945

Regional Planning Commission, County of Los Angeles

1:63k

Map of a portion of the Los Angeles area showing areas covered in survey of single family residences vacant and under construction as of the week of November 8, 1937.

1937

United States. Federal Housing Administration. Division of Economics & Statistics.

1:170k

Los Angeles County Flood Control District showing the emergency flood control districts

1927

Eaton, E. C.

1:500k

Los Angeles County highway plan / prepared in the office of the Regional Planning Commission

1933

Los Angeles County (Calif.). Regional Planning Commission.

1:63k

Distribution of Population for 1940 Metropolitan Area- County of Los Angeles

1940

Los Angeles County (Calif.). Regional Planning Commission.

1:225k

Road map, Santa Paula, California and vicinity, showing fishing streams & trails

1930

Reddick, Harry E.

The master plan, metropolitan area, County of Los Angeles, highway plan / the Regional Planning Commission, County of Los Angeles.

1940

Los Angeles County (Calif.). Regional Planning Commission.

1:64k

Map showing the Assembly and Congressional districts of the County of Los Angeles as established by sections 78 and 117 of the political code, as amended in 1931

1932

Rockhold, J. E. (John Ellsworth)

1:108k