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Wainwright study area, a biophysical inventory - Alberta. Public Lands Division. (Alberta Energy and Natural Resources, Public Lands Division, 1984)

Washington State Coastal Zone Management Program amendment no. 3 : approval of the Grays Harbor estuary management plan : program draft environmental impact statement - United States. Office of Ocean; Coastal Resource Management. (State of Washington Dept. of Ecology, 1983)

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Welsh bird report - Welsh Ornithological Society. (Welsh Ornithological Society, 1988)

Welsh bird report - Welsh Ornithological Society. (Welsh Ornithological Society, 1989)

Welsh birds - Welsh Ornithological Society. (Welsh Ornithological Society, 2000)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1977)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1978)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1979)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1980)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1985)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1998)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1999)