Columbia subject headings:
Prairies--North Dakota.
Prairies--South Dakota.
Wildlife management--North Dakota.
Wildlife management--South Dakota.
Harvard subject headings:
Prairies--North Dakota.
Prairies--South Dakota.
Wildlife management--North Dakota.
Wildlife management--South Dakota.
Princeton subject headings:
Prairies--North Dakota.
Prairies--South Dakota.
Wildlife management--North Dakota.
Wildlife management--South Dakota.