Santa Margarita Groves and the community of De Luz define this inland corridor where the Riverside and San Diego county line crosses varied terrain. The landscape is characterized by a series of prominent mesas, including Redonda Mesa and Aveñaloca Mesa, separated by deep drainage systems like Sandia Canyon and Las Pulgas Canyon. In the southern portion of the sheet, the northern edge of Fallbrook is visible, showing the residential street grid near S Mission Rd. The presence of Ross Lake and the winding course of De Luz Cr highlight the vital role of water in this semi-arid environment, supporting the agricultural groves and local settlements. To the west, the boundary of the Cleveland National Forest marks a transition to protected lands near Devil Canyon.
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This is the sole edition of this map. No revisions or reprints were ever made.
1901 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1901 · Elsinore
USGS Topo · 1:125,000
1901 · San Luis Rey
USGS Topo · 1:125,000
1904 · Southern California Sheet No. 2
USGS Topo · 1:250,000
1904 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1941 · Margarita Peak
USGS Topo · 1:62,500
1942 · Lake Elsinore
USGS Topo · 1:62,500
1942 · Margarita Peak
USGS Topo · 1:62,500
1942 · Temecula
USGS Topo · 1:62,500
1942 · Murrieta
USGS Topo · 1:62,500