STRATIGRAPHY OF SOUTHERN CALIFORNIA 119 
SAN PEDRO — THE TYPE LOCALITY. 
Topography. —The Pliocene and Pleistocene formations studied 
by the writers are confined to the lowest terrace of San Pedro 
Hill (see map of San Pedro and vicinity). This terrace extends 
from a point one-half mile east of Point Fermin to a bluff one- 
$$ 
San Pedro, LosAngeles & SaltLake A 
Sketch Map 
of 
San Pero = VICINITY 
From U.S.G.S. Topographic Map. 
By Ralph Arnold. 
kk 1 2 Miles. 
half mile north of the business portion of San Pedro. A sea 
cliff averaging fifty feet in height bounds the terrace on the 
south, east, and north. Half a mile southeast of San Pedro is 
Deadman Island, a small fragment of the lowest terrace, fifty 
feet in height with an area on top of about eight hundred square 
yards. All of the formations exposed in the immediate vicinity 
of San Pedro are represented at Deadman Island, and it is this 
section which is taken as the type. 
General geology— The oldest formation in the lowest San 
Pedro terrace is the Monterey or Miocene shale series. These 
