Parker Map of California Motor Routes, 1919.
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"Parker Map of Motor Routes Between San Franciso and Los Angeles, Also Sacramento, Reno, Lake Taho, Yosemite Valley, And Other Sierra Points." From A Guide to Los Angeles and Southern California published by the Southern California Tourist Bureau, Los Angeles (August, 1919), 24pp.
This is a 1919 automobile road map of motor routes between San Francisco and Los Angeles; San Francisco and Reno via the Lincoln Highway; and the Central Valley. This map also also shows the Southern Pacific Railroad routes over the Sierra Nevada Mountains and three routes between San Francisco and Los Angeles (two down the San Joaquin Valley).
Courtesy Bruce C. Cooper Collection.