| http://www.w3.org/ns/prov#value | - John Betts Points to Cupule Rock in Rockshelter. (Photo courtesy of CDF) These sites indicate the high density of prehistoric use of the area, probably in large part because of the abundance of oak, pine, and other nut trees; the many springs and drainages found along the ridge; and the use of the ridge as a natural travel corridor.
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