U.S. Fish and Wildlife Service. Office of Biological Services, United States. Environmental Protection Agency. Office of Research and Development, Ecology Consultants, inc, Biological Services Program (U.S.), & Ellis, S. L. (1977). Guide to land cover and use classification systems employed by western governmental agencies. Dept. of the Interior, Fish and Wildlife Service Program, Biological Program.
Chicago Style (17th ed.) CitationU.S. Fish and Wildlife Service. Office of Biological Services, United States. Environmental Protection Agency. Office of Research and Development, inc Ecology Consultants, Biological Services Program (U.S.), and Scott L. Ellis. Guide to Land Cover and Use Classification Systems Employed by Western Governmental Agencies. [Washington]: Dept. of the Interior, Fish and Wildlife Service Program, Biological Program, 1977.
MLA (9th ed.) CitationU.S. Fish and Wildlife Service. Office of Biological Services, et al. Guide to Land Cover and Use Classification Systems Employed by Western Governmental Agencies. Dept. of the Interior, Fish and Wildlife Service Program, Biological Program, 1977.