Columbia subject headings:
Harvard subject headings:
Forest management--Environmental aspects--Nebraska.
Grasslands--North Dakota
Grasslands--South Dakota
Grasslands--Wyoming
National parks and reserves--Great Plains--Management.
Nebraska National Forest (Neb. and S.D.)
Public lands--Great Plains--Management.
Thunder Basin National Grassland (Wyo.)
Princeton subject headings:
Forest management--Great Plains.
Grasslands--Great Plains--Management.
National parks and reserves--Great Plains--Management.
Nebraska National Forest (Neb. and S.D.)
Public lands--Great Plains--Management.
Thunder Basin National Grassland (Wyo.)