UNIVERSITY OF CALIFORNIA PUBLICATIONS 



BULLETIN OF THE DEPARTMENT OF 



GEOLOGY 



Vol. 8, No. 14, pp. 289-298, 1 text-figure Issued December 10, 1914 



THE MARTINEZ EOCENE AND ASSOCIATED 

 FORMATIONS AT ROCK CREEK ON THE 

 WESTERN BORDER OF THE 

 MOHAVE DESERT AREA 



BY 



ROY E. DICKERSON 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY 



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