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2012 Map of Warners Ranch

Name: 2012 Topographic Map of Warners Ranch
Creator: U.S. Geological Survey
Published: 2012
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2012

About this map

Warners Ranch and the surrounding high-altitude valleys of San Diego County are defined by a network of historic land holdings and ranching heritage. This 2012 survey captures a landscape where water is the primary architect of settlement, with the eastern shore of Lake Henshaw giving way to the seasonally dry courses of Matagual Cr and Carrizo Cr. The topography is anchored by Santa Ysabel Peak and Monkey Hill, which overlook a series of family-named ranches including Mesa Chiquita Ranch and Treanor Ranch.

Infrastructure here is a mix of modern transit and older backcountry routes, centered on the crossroads at Morettis Junction. The map documents numerous dirt roads and trails that hint at the area's extraction and transit history, such as Old Gold Mine Rd and the Carrizo Creek Truck Trl. Small clearings like Juan Flat and the Hoffman Private Airport represent the isolated human footprint in this expansive terrain of the Matagual Valley.