Columbia subject headings:
Geology, Stratigraphic--Tertiary--Guidebooks.
Geology--California--San Emigdio Mountains--Guidebooks.
Harvard subject headings:
Geology, Stratigraphic--Tertiary
Geology, Stratigraphic--Tertiary--Guidebooks.
Geology--California, Southern--Guidebooks.
Geology--California--San Emigdio Mountains--Guidebooks.
San Emigdio Mountains (Calif.)--Guidebooks.
Princeton subject headings: