The potential effects of clearing and snagging on stream ecosystems /
by G. Richard Marzolf ; project officer, Norman G. Benson (National Stream Alteration Team) ; performed for National Stream Alteration Project, Office of Biological Services, Fish and Wildlife Service, U.S. Department of the Interior

APA Citation

Marzolf, G. Richard., National Stream Alteration Team., Biological Services Program (U.S.)., U.S. Fish and Wildlife Service. Office of Biological Services. (1978). The potential effects of clearing and snagging on stream ecosystems. [Washington, D.C].: The Office : for sale by the Supt. of Docs., U.S. Govt. Print. Off..

MLA Citation

Marzolf, G. Richard, National Stream Alteration Team, Biological Services Program (U.S.), and U.S. Fish and Wildlife Service. Office of Biological Services. The Potential Effects of Clearing And Snagging On Stream Ecosystems. [Washington, D.C].: The Office : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978.