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1966 Map of Guasti

Name: 1966 Topographic Map of Guasti
Creator: U.S. Geological Survey
Published: 1969
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1969

About this map

The Cucamonga Winery (Historical Landmark) and the nearby John Rains House anchor the northern reaches of this mid-century survey, illustrating the deep agricultural and residential roots of the Inland Empire. The landscape is a complex grid of citrus groves and vineyards increasingly defined by heavy industry and aviation, centered on the Ontario International Airport and the expansive Steel Plant near Kaiser. These industrial hubs are supported by a dense rail network including the Southern Pacific, Union Pacific, and the Atchison Topeka and Santa Fe railroads.

Residential growth is evident in the proliferation of local institutions such as Alta Loma High Sch and Hawthorne Christian Sch. To the south, the U S Military Reservation and numerous Percolation Basins reflect the area's strategic and water management needs during a period of rapid suburbanization. Significant landmarks like the Air Museum and the Red Hill Country Club further define the social and cultural geography of Ontario and Cucamonga as they transitioned from rural outposts to integrated urban centers.