Columbia subject headings:
Harvard subject headings:
Land settlement patterns--West (U.S.)--History--19th century.
Mines and mineral resources--West (U.S.)--History.
Prostitutes--West (U.S.)--History--19th century.
Prostitution--West (U.S.)--History--19th century.
West (U.S.)--Social conditions.
Princeton subject headings:
Mines and mineral resources--West (U.S.)--History.
Prostitutes--West (U.S.)--History.
Prostitution--West (U.S.)--History.