Showing 1 - 2 results of 2 for search '"California"', query time: 0.11s Refine Results
  1. 1
    Geology of the San Dieguito pyrophyllite area : San Diego County, California /
    by Jahns, Richard Henry, 1915-
    Published 1950
    Subjects: “...Geology California San Diego County....”
    Book
  2. 2
    Gem- and lithium-bearing pegmatites of the Pala district, San Diego County, California /
    by Jahns, Richard Henry, 1915-
    Published 1951
    Subjects: “...Mines and mineral resources California San Diego County....”
    Book
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