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fARMnLcl Plate X}?/, 



Figure a. San Pedro. — North end of Deadman Island, looking east, showing unconformity between 

 Pliocene and lower San Pedro (Pleistocene) strata. (See Diagram B, Plate XXII, for explanation.) 



Photograph by R. Arnold. 



Figure b. San Pedro.— East point of Deadman Island, looking north, showing unconformity between 

 Pliocene and lower San Pedro (Pleistocene) strata. 



Photograph by R. Arnold. 



