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Map Satellite This area includes the upper portion of San Juan Canyon (see Ronald W Caspers Memorial Park). Several plant communities are present, including extensive riparian woodlands along the intermittent creek and its tributaries. Sycamores, Platanus racemosa, are the dominants. There is also some Southern oak woodland, with coast live oak, Quercus agrifolia, prominent. Much of the area is covered by chaparral, with chamise, Adenostoma fasciculatum, the most common element. Near the lower end of the canyon there is some coastal sage scrub. The rare Dudleya viscida occurs here. The area is rich in animal life. A portion of the canyon cuts through the Mesozoic granitics of the Southern California batholith. Other rocks present are of the Jurassic Santiago Peak volcanics and the upper Jurassic Bedford formation . Integrity: A highway traverses the floor of the canyon and there are several campgrounds; however, much of the area is relatively undisturbed. Use: Research, educational, observational, present, March 1977
Inventory of California Natural Areas
Revision © 2009 Steven Louis Hartman
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