The conservation challenge of the sixties /

The role of foundations and universitites in conservation /
by: Train, Russell E., 1920-2012
Published: (1967)

Conservation and national security /
by: Brower, David, 1912-2000
Published: (1981)

Biological conservation.

California wildland conservation : unities and conflicts /
by: Vaux, Henry J.
Published: (1989)

Biological conservation.

Conservation and values : the Conservation Foundation's thirtieth anniversary symposium, December 1, 1978, Washington, D.C.
Published: (1979)

Highlights in the history of forest and related natural resource conservation.

Achieving agreement on natural resource use /
by: Clawson, Marion, 1905-1998
Published: (1987)

Natural resource year in review.
Published: (1997)

Studies in restoration of the environment.

Land utilization in developing economies /
by: King, K. F. S. (Kenneth Fitzgerald Stanislaus), 1929-
Published: (1979)

15th session of the General Assembly of IUCN and 15th IUCN technical meeting : Christchurch, New Zealand, 11-23 October 1981 : proceedings.
Published: (1983)

Funding the Natural Resource Challenge, a report to Congress, fiscal year ...
Published: (2002)

The role of the artist in conservation /
by: Adams, Ansel, 1902-1984
Published: (1975)

Conservation as research, policy, and action /
by: Fisher, Joseph Lyman
Published: (1971)

Directory of Federal and State agencies operating in the field of water and related land resources /
by: Shamberger, Hugh A.
Published: (1970)

The outlook for the national forests /
by: McGuire, John R.
Published: (1981)

Proceedings of the annual meeting.
Published: (1962)

Saving San Francisco Bay : past, present, and future /
by: Gulick, Esther
Published: (1988)

Peace will give us a chance /
by: Ehrlich, Anne H.
Published: (1991)

Tide.

Distribution of nitrates and other water pollutants under fields and corrals in the middle South Platte Valley of Colorado /
by: Stewart, B.A
Published: (1967)

Agricultural Research Service precipitation facilities and related studies /
Published: (1971)

Great American conservationists /
by: Albright, Horace M. (Horace Marden), 1890-1987
Published: (1961)

Forest management approaches on the public's lands : turmoil and transition /
by: Thomas, Jack Ward
Published: (1992)

Of fates, forests and futures : myths, epistemes, and policy in tropical conservation /
by: Hecht, Susanna B.
Published: (1993)

Tackling mass extinction of species : a great creative challenge /
by: Myers, Norman
Published: (1986)

Private property rights and sustainable rangeland use /
by: Box, Thadis W.
Published: (1995)

Pollutants in the air and acids in the rain : influences on our natural environment and a challenge for every industrial society /
by: Cowling, Ellis B.
Published: (1986)

Recreation policy on the federal lands /
by: Sax, Joseph L.
Published: (1978)

Wildlife, the real test of environmental quality /
by: Kimball, Thomas L.
Published: (1981)

Wilderness management /
by: Spurr, Stephen H., 1918-1990
Published: (1966)

Plot samples of watershed hydrology /
by: Holtan, H. N., 1909-
Published: (1968)

The global role of national parks for the world of tomorrow /
by: Curry-Lindahl, Kai
Published: (1974)

Environmental research papers.
Published: (1975)

Wilderness--concept, function, & management.
by: McTaggart-Cowan, Ian, 1910-2010
Published: (1968)