Columbia subject headings:
Harvard subject headings:
Gold mines and mining--Sierra Nevada (Calif. and Nev.)--Pictorial works.
Gold mines and mining--Sierra Nevada Mountains (Calif. and Nev.)--Pictorial works.
Sierra Nevada (Calif. and Nev.)--History--Pictorial works.
Sierra Nevada (Calif. and Nev.)--Pictorial works.
Princeton subject headings:
Gold mines and mining--Sierra Nevada (Calif. and Nev.)--Pictorial works.
Sierra Nevada (Calif. and Nev.)--Description and travel--Views.
Sierra Nevada (Calif. and Nev.)--History--Pictorial works.