The breeding biology of Ross' goose in the Perry River region, Northwest Territories
John Pemberton Ryder (Author), Canadian Wildlife Service (Issuing body)
"Studies of a nesting colony of Ross' geese at Arlone Lake, in the Perry River region, N.W.T., during the summers of 1963 and 1964 are described. The explorations, climate, vegetation fauna, and Eskimos of the area are reviewed. The history of the Ross' goose in the Perry River region is given"--Abstract
Print Book, English, 1967
Roger Duhamel, F.R.S.C., Queen's Printer and Controller of Stationery, Ottawa, 1967