Saguaro Cactus Detail, Saguaro National Park, Arizona, April 12, 1953

Black Place, New Mexico, September 1945

Wood Stork, Corkscrew Swamp, Florida, January 1974

Wood Stork, January 1974

Osprey, Great Spruce Head Island, Maine, July 4, 1949

Monument Valley, Arizona, October 1940

Dead Cottonwood Tree, Fountain Tanks, Waterpocket Fold, Utah, August 22, 1963

Red-winged Blackbird, Female, Illinois, June 29, 1941

Osprey, Great Spruce Head Island, Maine

Herring Gull, Maine, June 19, 1939

Goose Necks of the San Juan River, Utah, October 1940

Sun Reflections, Pacific Ocean, Big Sur, California, February 2, 1959

Great Black-backed Gull, Sloop Island, Maine, May 31, 1939

Great Black-backed Gull, Sloop Island, Maine, June 1, 1939

Kleine Storbach, Berwang, Austrian Tyrol, 1935

Big Sur River and Trees, Big Sur, California, February 2, 1959

Arctic Tern, Matinicus Rock, Maine, July 31, 1949

Monument Valley, Utah, October 1940

Monument Valley, Utah, October 1940

Osprey, Great Spruce Head Island, Maine, June 28, 1949