Columbia subject headings:
Harvard subject headings:
Geology--California--Palos Verdes Peninsula--Congresses.
Geology--California--Palos Verdes Peninsula--Guidebooks.
Geology--California--San Pedro Bay (Bay)--Guidebooks.
Geology--California--San Pedro Bay--Congresses.
Princeton subject headings:
Geology--California--Palos Verdes Peninsula--Congresses.
Geology--California--San Pedro Bay--Congresses.