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Ecology and conservation of the Sirenia dugongs and manatees

Marsh, H. (Helene), 1945-
Cambridge ; New York : Cambridge University Press, 2012. 2012

History of the Fort Collins Science Center, U.S. Geological Survey

O'Shea, Thomas J.
Reston, Va. : U.S. Geological Survey, 2006. 2006

Marine mammals and persistent ocean contaminants : proceedings of the Marine Mammal Commission Works

United States. Marine Mammal Commission. Workshop (1998 : Keystone, Colo.)
Bethesda, Md. : Marine Mammal Commission, [1999] 1999

Monitoring trends in bat populations of the United States and territories problems and prospects

[Fort Collins, Colo.] : U.S. Geological Survey, Biological Resources Discipline ; Springfield, Va. : National Technical Information Service [distributor], [2003]. 2003