Columbia subject headings:
Animal populations--Pacific Coast.
Mammals--Ecology--California--Pacific Coast.
Sea otter--Ecology--California--Pacific Coast.
Harvard subject headings:
Animal populations--California--Pacific Coast.
Mammals--Ecology--California--Pacific Coast.
Marine mammals--Ecology--California--Pacific Coast.
Sea otter populations--California--Pacific Coast.
Sea otter--Ecology--California--Pacific Coast.
Princeton subject headings:
Animal populations--California--Pacific Coast.
Mammals--California--Pacific Coast--Ecology.
Sea otter--California--Pacific Coast--Ecology.