WATERFOWL POPULATIONS AND BREEDING CONDITIONS - SUMMER 1952 

Special Scientific Report - Wildlife No. 21 
United States Department of the Interior ........ . .Douglas McKay, Secretary 
Fish and Wildlife Service oe we we ew ow e eh eh eC VOhN LL. Farley, Director 
Canadian Department of Resources and Development ... Hon, R. H. Winters, Minister 
Canadian Wildlife Service oe © eo ew ew oh ht ed @W. Winston Mair, Chief 
