1954 Map of Ontario, 1960 Print
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1954 Map of Ontario

USGS Topo · Published 1960

About this map

San Antonio Wash carves through the landscape, defining the border between Los Angeles and San Bernardino counties as the Inland Empire expanded mid-century. This survey highlights the dense academic and civic infrastructure of Claremont, featuring Pomona College, Scripps College, and the Men's College alongside the Rancho Santa Ana Botanic Garden. The industrial and transportation backbone of the region is evident in the heavy rail corridors of the Atchison Topeka and Santa Fe and the Southern Pacific, which supported the agricultural and commercial centers of Ontario and Pomona.


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Map Details

Date Portrayed1954
Date Published1960
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

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Source Details

CopyrightPublic Domain