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Miles, Scott R; Goudey, Charles B. (1997). "Subsection 261Ag Leeward Hills". Ecological Subregions of California: Section and Subsection Descriptions. R5-EM-TP, 005. San Francisco: USDA Forest Service, Pacific Southwest Region. OCLC38434607.
Miles, Scott R; Goudey, Charles B. (1997). "Subsection 261Ag Leeward Hills". Ecological Subregions of California: Section and Subsection Descriptions. R5-EM-TP, 005. San Francisco: USDA Forest Service, Pacific Southwest Region. OCLC38434607.