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1955 Map of Jamul Mountains, 1959 Print
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1955 Map of Jamul Mountains

USGS Topo · Published 1959

About this map

The San Miguel Mountains and the Jamul Mountains dominate this mid-century landscape east of San Diego, where ranching heritage meets early suburban expansion. Significant water management infrastructure is evident through the presence of the Sweetwater Reservoir, Upper Otay Reservoir, and Lower Otay Reservoir, along with the Jamul Conduit and Savage Dam. This era shows Spring Valley and Casa de Oro beginning to develop along Sweetwater Springs Blvd, while the interior remains defined by sprawling properties like Rancho del Otay, Fenton Ranch, and Ivanhoe Ranch. Local aviation history is preserved at the La Mesa Airport located near Jamacha Junction. Topographic landmarks such as Mother Miguel Mtn, Dictionary Hill, and Gobblers Knob rise above the complex network of canyons including Steere Canyon and Telegraph Canyon, illustrating the challenging terrain that shaped early transportation routes like Campo Road.

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Map Details

Date Portrayed1955
Date Published1959
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1955 Jamul Mountains Map

Historical Maps of San Diego Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain