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The U.S. Geological Survey Cooperative Fish and Wildlife Research Units Program was established in 1935 and codified by Congress in 1960 (Public Law 86-685) to enhance graduate education in wildlife and fisheries sciences and to facilitate research and technical assistance among natural resource agencies and universities on fisheries and wildlife management topics of mutual concern. 

2 years (1935-1937)

2 years (1935-1937)

30 years (1935-1965)

30 years (1935-1965)

65 years (1935-2000)

65 years (1935-2000)

71 years (1935-2006)

71 years (1935-2006)

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