Columbia subject headings:
Earthquakes--Sierra Nevada (Calif. and Nev.)
Volcanoes--Sierra Nevada (Calif. and Nev.)
Harvard subject headings:
Earthquakes--Sierra Nevada (Calif. and Nev.)
Volcanoes--Sierra Nevada (Calif. and Nev.)
Princeton subject headings:
Earthquakes--California--Inyo County.
Earthquakes--California--Mono County.
Volcanoes--California--Inyo County.
Volcanoes--California--Mono County.