Distribution and migration of North American ducks, geese, and swans,
Cooke, Wells Woodbridge, 1858-1916.
Distribution and migration of North American ducks, geese, and swans, by Wells W. Cooke ... - Washington, Govt. print. off., 1906. - 90 p. 23 cm. - U.S. Dept. of agriculture. Biological survey. Bulletin 26 .
agr06001685
Ducks--North America.
Geese--North America.
Swans--North America.
QL155 / .A2 no. 26
Distribution and migration of North American ducks, geese, and swans, by Wells W. Cooke ... - Washington, Govt. print. off., 1906. - 90 p. 23 cm. - U.S. Dept. of agriculture. Biological survey. Bulletin 26 .
agr06001685
Ducks--North America.
Geese--North America.
Swans--North America.
QL155 / .A2 no. 26