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1994 Map of Jamul Mountains

Name: 1994 Topographic Map of Jamul Mountains
Creator: U.S. Geological Survey
Published: 1998
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1998

About this map

Chula Vista and Spring Valley anchor this mid-1990s landscape, illustrating the rapid suburban expansion of San Diego County into the foothills of the Jamul Mountains. The map reveals a transition from established residential centers like Casa de Oro and La Presa to the emerging educational and athletic hubs of the era, including Cuyamaca College and the US Olympic Training Center situated along the banks of the Lower Otay Reservoir.

Topographical variation is marked by the heights of San Miguel Mountain and Dictionary Hill, which overlook a network of canyons such as Steele Canyon and Mexican Canyon. Between these ridges, the map captures the remaining agricultural and ranching heritage of the region at Fenton Ranch and Ivanhoe Ranch, even as new schools like Eastlake Sch and Tiffany Sch signal the shift toward dense residential development. The presence of a Quarry near Jamacha Junction further reflects the industrial activity required to support this growing infrastructure.