The international border between the United States of America and Estados Unidos Mexicanos divides this landscape, where San Diego County meets Baja California. High peaks like Tecate Peak and Potrero Peak dominate the high-elevation terrain, while the San Diego City Conduit follows the contours north of Dulzura Summit. This area is defined by its transit corridors and water management, with Highway 94 winding through the hills toward the border crossing at Tecate.
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.
1903 · Cuyamaca
USGS Topo · 1:125,000
1904 · Southern California Sheet No. 2
USGS Topo · 1:250,000
1942 · Potrero
USGS Topo · 1:48,000
1943 · Jamul
USGS Topo · 1:62,500
1944 · Potrero
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
1955 · Jamul
USGS Topo · 1:62,500
1958 · San Diego
USGS Topo · 1:250,000