Columbia subject headings:
Anadromous fishes--Columbia River--History.
Anadromous fishes--Snake River (Wyo.-Wash.)--History.
Pacific salmon fisheries--Columbia River--History.
Pacific salmon fisheries--Snake River (Wyo.-Wash.)--History.
Salmon fisheries--Columbia River--History.
Salmon fisheries--Snake River (Wyo.-Wash.)--History.
Harvard subject headings:
Anadromous fishes--Columbia River--History.
Anadromous fishes--Snake River (Wyo.-Wash.)--History.
Pacific salmon fisheries--Columbia River--History.
Pacific salmon fisheries--Snake River (Wyo.-Wash.)--History.
Salmon fisheries--Columbia River--History.
Salmon fisheries--Snake River (Wyo.-Wash.)--History.
Princeton subject headings:
Anadromous fishes--Columbia River--History.
Anadromous fishes--Snake River (Wyo.-Wash.)--History.
Pacific salmon fisheries--Columbia River--History.
Pacific salmon fisheries--Snake River (Wyo.-Wash.)--History.
Salmon fisheries--Columbia River--History.
Salmon fisheries--Snake River (Wyo.-Wash.)--History.