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Radiolaria from the Kreyenhagen Formation Near Los Banos, California

By Clark, Bruce L. And Campbell, Arthur S.

The Geological Society of America, 1945. Book. Very Good. Hard Bound. First Edition. 66pp - 7 plates - Index - Very good condition.


Eocene Radiolarian Faunas from the Mt. Diablo Area, California

By Clark and Campbell

Baltimore: Geological Society of America, 1942. Book. Very Good. Soft cover. 1942 - Geological Society of America - 112pp - index - 9 plates - Special Papers - Number 39 - Very Good condition in wraps.