Columbia subject headings:
West (U.S.)
Harvard subject headings:
California--Description and travel.
California--Gold discoveries.
Frontier and pioneer life--California
Fur trade--West (U.S.)--19th century.
Hunting--West (U.S.)--19th century.
New Mexico--Description and travel
Rocky Mountains--Description and travel.
West (U.S.)
West (U.S.)--Description and travel.
Princeton subject headings: