Bedford DR, Miller DM, Phelps GA (2010) Surficial geologic map of the Amboy 309 3 609 quadrangle, San Bernardino County, California. U.S. Geological Survey Scientific Investigations Map 1309, scale 1 : 100,000... DR Bedford,DM Miller,GA Phelps 被引量: 7发表: 2010年 Preserving the past...
Rancho San Francisco designates the headwater of the Santa Clara River, draining the northwesterly portion of Los Angeles County. Geographically, it is a cañada, or narrow valley lying between two mountain chains. The motorist on California State Highway 6 enters the old rancho limit slightly ...