Bowen, Oliver E. Rocks and minerals of the San Francisco Bay region. [electronic resource] / Drawings by Helen Laudermilk.. — Berkeley, : University of California Press,, 1962.. — 71 p. : illus. 19 cm. - California natural history guides, 5.



62017532 /L/r872


Mineralogy--California--San Francisco Bay Area.
Petrology--California--San Francisco Bay Area.

QE375.C32 / B6