Columbia subject headings:
Fortification--Oklahoma--History--19th century.
Frontier and pioneer life--Oklahoma.
Military bases--Oklahoma--History--19th century.
Oklahoma--History, Military.
United States. Army--History--19th century.
Harvard subject headings:
Fortification--Oklahoma--History--19th century.
Frontier and pioneer life--Oklahoma
Military bases--Oklahoma--History--19th century.
Oklahoma--History, Military.
United States. Army--History--19th century.
Princeton subject headings: