You can start exploring the richness and complexity of Los Angeles (including the county and its 88 cities) with our Getting Started page, or use the tabs at left to find Topical resources. In our example, we got started by thinking about the MTA.
The Sanborn Map Company of New York atlases of American cities were originally created to inform fire insurance companies of risks in urban areas but ended up tracing the subtle change from an agrarian society to a nation of cities
. The hefty atlases produced by D.A. Sanborn from the 1880s to 1970 show changes from block to block like no other cartographic resource. The maps are available at Los Angeles Central Library, on microfilm and available online (with a LAPL library card i.d.)