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1904 Map of Pomona

Name: 1904 Topographic Map of Pomona
Creator: U.S. Geological Survey
Published: 1946
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1946

About this map

The San Gabriel Mountains dominate the northern landscape of this region, providing a stark backdrop to the emerging citrus and agricultural settlements on the plains below. The map captures the area during a period of significant transition as the Atchison Topeka and Santa Fe RR and Southern Pacific RR facilitate the growth of early townsites. Distinctive early settlements such as Lordsburg, Alosta, and Spadra appear alongside the establishing centers of Pomona, Covina, and Azusa.

Water management is visibly critical to the local economy, evidenced by the extensive Ditch systems near the San Gabriel River and the designated agricultural boundaries of Azusa Dalton and La Puente. In the rugged canyons to the north, places like Sycamore Flat and Deer Park offer a view into the era's mountain recreation and resource geography before the later expansion of the Southern California megalopolis.