



GRAVELLE, KAREN & JENNIFER


TWENEY, C. F.; SHIRSHOV, I. P.

BENNETT, CHARLES ALPHEUS

TRASK, PARKER D.; STATE OF CALIFORNIA DEPT. OF NATURAL RESOURCES, DIVISION OF MINES


LEVORSEN, A. I., EDITOR; AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS

MORRISON, HUGH ALEXANDER; LIBRARY OF CONGRESS













EDELMAN, MARIAN WRIGHT

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