Consists of photographs of urban, suburban, rural and waterfront areas of Los Angeles County. Many photographs show neighborhood streets and houses, including ethnic enclaves and communities of Mexican Americans, Japanese Americans, Chinese Americans, African Americans, Russian Americans, Irish Americans, Jewish Americans, and Slavonian Americans. Includes images of businesses, buildings, oil rigs in populated areas, hydraulic structures, railyards, industrial and construction sites, and agricultural land. A small portion contain people. Includes six photographs of damaged buildings in Compton and Long Beach from the Long Beach earthquake of 1933, three photographs of maps of Los Angeles, and a section of map showing the southwest of downtown portion of the city.