
Two Harbors serves as the primary settlement on this northern stretch of Santa Catalina Island, marking the narrow isthmus where Isthmus Cove and Catalina Canyon nearly meet. The interior is defined by steep ridges and deep drainages, including Cottonwood Canyon and Big Springs Canyon, reaching elevations at Mt Orizaba and Black Jack Mtn. This modern survey reveals a landscape managed for both utility and conservation, with numerous water sources such as the Buffalo Springs Reservoirs and Summit Reservoir supporting the island's infrastructure.
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This is the sole edition of this map. No revisions or reprints were ever made.
1896 · San Pedro
USGS Topo · 1:62,500
1901 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1904 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1943 · San Pedro
USGS Topo · 1:125,000
1943 · Santa Catalina North
USGS Topo · 1:24,000
1943 · Santa Catalina East
USGS Topo · 1:24,000
1943 · Santa Catalina South
USGS Topo · 1:24,000
1943 · Santa Catalina West
USGS Topo · 1:24,000
1944 · San Pedro
USGS Topo · 1:62,500
1949 · Long Beach
USGS Topo · 1:250,000