Rare Books
Illustrations of Contra Costa Co., California : with historical sketch
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California -- Contra Costa County
Manuscripts
Includes Briones anticline; Claremont tunnel; Neroly area; McDonald Island field; Mount Diablo monocline; Petaluma area; South Rio Vista; Lafayette area; Wildcat anticline and wells; Byron; Concord-Port Chicago-Pittsburg area; Mount Diablo; and Walnut Creek Quadrangle.
mssVanGundy
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California -- Alameda and Contra Costa County
Manuscripts
Includes Alamo region; Concord Quadrangle; Dublin anticline; Foley Hills; Livermore area; and Pleasanton.
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