UNIVERSITY OF CALIFORNIA PUBLICATIONS 



BULLETIN OF THE DEPARTMENT OF 



GEOLOGICAL SCIENCES 



Vol. 13, No. 6, pp. 175-252, 7 text figures, 1 map, pis. 9-14 June 29, 1922 



GEOLOGY OF THE CUYAMACA REGION 

 OF CALIFORNIA 



WITH SPECIAL REFERENCE TO THE ORIGIN 

 OF THE NIC KELIFE ROUS PYRRHOTITE 



BY 



F. S. HUDSON 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY, CALIFORNIA 



