
Tecate Divide serves as the topographic backbone for this high-desert region of San Diego County, separating the drainages of Campo Creek and Walker Creek. This landscape is defined by its reservation lands, primarily the Manzanita Indian Reservation and La Posta Indian Reservation, which cover significant portions of the northern and western terrain. Small roadside settlements and travel stops like Live Oak Springs, Manzanita, and Boulevard follow the established transport corridors, anchored by local institutions such as the Clover Flat Sch and the St Carmel Cemetery. The map captures a moment of late 20th-century rural infrastructure, where isolated homesteads and wells are scattered across the Valley and among peaks like Music Mtn and Rattlesnake Mtn. Geographers and genealogists can trace the footprint of early San Diego backcountry life through these named landmarks and the winding path of Jewell Valley Creek.
31 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1931 · Carrizo
USGS Topo · 1:125,000
1939 · Campo
USGS Topo · 1:62,500
1939 · Jacumba
USGS Topo · 1:62,500
1942 · Campo
USGS Topo · 1:62,500
1942 · Carrizo Mtn
USGS Topo · 1:62,500
1942 · Jacumba
USGS Topo · 1:62,500
1942 · Cuyapaipe
USGS Topo · 1:62,500
1950 · San Diego
USGS Topo · 1:250,000
1954 · San Diego
USGS Topo · 1:250,000
1955 · San Diego
USGS Topo · 1:250,000