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1967 Map of Yucaipa

Name: 1967 Topographic Map of Yucaipa
Creator: U.S. Geological Survey
Published: 1968
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1968

About this map

Yucaipa Valley serves as the focal point for this 1960s study, revealing the dense residential and agricultural development between the San Bernardino National Forest and the Crafton Hills. The map documents a period of significant growth, showing the expanding street grids of Yucaipa, Calimesa, and Dunlap Acres. The transition from the alluvial landscape of the Santa Ana Wash to the steep elevations of Morton Peak and Cram Peak highlights the topographical constraints that shaped early settlement patterns.

Infrastructure is well-documented, featuring the Crafton Hills Airport and several local educational institutions like Yucaipa High Sch and Mentone Sch. Water management is prominent throughout the terrain, from the Santa Ana River to the Wilson Flood Control Basin. For local historians, the inclusion of the Mill Creek Ranger Station and the various canyons like Wildwood Canyon and Live Oak Canyon provides a clear view of how land use was partitioned between forestry and the growing suburban corporate boundaries.