Columbia subject headings:
Harvard subject headings:
Americans--British Columbia--Fraser River Valley--History--19th century.
Canada--Boundaries--United States.
Fraser River Valley (B.C.)--History--19th century.
Gold miners--British Columbia--Fraser River Valley--History--19th century.
Great Britain--Foreign relations--United States.
McGowan, Edward, 1813-1893.
Northwest boundary of the United States--History--19th century.
United States--Boundaries--Canada.
United States--Foreign relations--Great Britain.
Princeton subject headings:
Americans--British Columbia--Fraser River Valley--History--19th century.
British Columbia--History.
Fraser River Valley (B.C.)--Gold discoveries.
McGowan, Edward, 1813-1893.