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1997 Map of Sweeney Pass

Name: 1997 Topographic Map of Sweeney Pass
Creator: U.S. Geological Survey
Published: 2003
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2003

About this map

Anza-Borrego Desert State Park defines this arid landscape, where desert ecology and transit history intersect. The map documents the Mountain Palm Springs Area, a series of distinct botanical clusters including North Grove, Palm Bowl Grove, and the Pygmy Grove. These biological landmarks are situated against the dramatic backdrop of the Tierra Blanca Mts and the In-Ko-Pah Mountains, showcasing the isolation of high-desert springs.

Evidence of early California travel persists via the Old Overland Stage Route, which skirts the northern edge of the Carrizo Badlands. This historical corridor and the Vallecito-Sweeney Pass Road emphasize the region's role as a difficult but essential passage through the canyonlands. Notable points such as the Bow Willow Ranger Sta and the settlement at Carrizo Palms provide specific coordinates for researchers tracing the geography of the southeastern Colorado Desert.