
The San Fernando Valley reveals a period of rapid agricultural and suburban transition in the late 1920s. Centered on the community of Zelzah, this survey highlights a landscape still defined by large land grants like the Ex Mission San Fernando while moving toward organized residential and agricultural development. The presence of the Weeks Poultry Colony illustrates the era’s specialized farming ventures, while the established settlements of Chatsworth, Owensmouth, and Reseda anchor the grid-based expansion. Transport networks are a primary focus, featuring the heavy rail of the Southern Pacific and the interurban lines of the Pacific Electric. Above the emerging street grid, the Santa Susana foothills are carved by Browns Canyon and Limekiln Canyon, showing the sharp contrast between the developing valley floor and the rugged northern city boundary.
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1894 · Los Angeles
USGS Topo · 1:62,500
1896 · Santa Monica
USGS Topo · 1:62,500
1898 · Santa Monica
USGS Topo · 1:62,500
1900 · Los Angeles
USGS Topo · 1:62,500
1900 · Fernando
USGS Topo · 1:62,500
1901 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1902 · Santa Monica
USGS Topo · 1:62,500
1903 · Calabasas
USGS Topo · 1:62,500
1903 · Camulos
USGS Topo · 1:125,000
1903 · Santa Susana
USGS Topo · 1:62,500