Columbia subject headings:
Natural resources--United States.
Harvard subject headings:
Ballinger, Richard A., 1858-1922
Forest reserves.
Natural resources--Alaska
Natural resources--Law and legislation
Natural resources--United States
Natural resources--West (U.S.)
Pinchot, Gifford, 1865-1946.
Reclamation Act (1902)
Reclamation of land
Roosevelt, Theodore, 1858-1919.
Taft, William H. (William Howard), 1857-1930
United States. Forest Service
Princeton subject headings: