
The Palomar Observatory dominates the high ground of Palomar Mountain in this late 1990s survey, detailing the facility's renowned astronomical infrastructure including the 200-inch Telescope, the 48-inch Telescope, and the 60-inch Telescope. Accessed via Observatory Road, the site overlooks a complex landscape within the Cleveland National Forest where the high ridgelines of High Point transition into deep meadowed depressions like Mendenhall Valley and Dodge Valley.
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1903 · Ramona
USGS Topo · 1:125,000
1904 · Southern California Sheet No. 2
USGS Topo · 1:250,000
1939 · Warner Springs
USGS Topo · 1:62,500
1939 · Santa Ysabel
USGS Topo · 1:62,500
1939 · Palomar Mountain
USGS Topo · 1:62,500
1942 · Ramona
USGS Topo · 1:62,500
1943 · Santa Ysabel
USGS Topo · 1:62,500
1943 · Warner Springs
USGS Topo · 1:62,500
1947 · Ramona
USGS Topo · 1:62,500
1947 · Santa Ana
USGS Topo · 1:250,000