272 records – page 1 of 14.
Display photographs
1939 Western US and Canadian Rockies Trip [1/2]
Lantern slides -- 1925-1931
Park warden journals [2/3]
Dan McCowan Career Scrapbook
Ptarmigan, winter
Bird, Snow Ptarmigan
[Spruce Grouse]
458. Bird, Snow Ptarmigan
458. Snow Ptarmigan
Bird
Ptarmigan with young
Bird, Ptarmigan
Bird, Willow Grouse