Fence and Shadows, Aspen, Colorado, September 28, 1951

City Hall, Silverton, Colorado, September 26, 1951

Miner's House, Leadville, Colorado, September 2, 1948

Museum, Aspen, Colorado, August 27, 1950

Bleached Plants, Death Valley, California, February 6, 1959

Mountain Tarn, Stony Pass, Colorado, August 8, 1958

Animal Tracks in Sand, Great Sand Dunes National Monument, Colorado, September 23, 1960

Cloud Formations near Cottonwood Pass, Colorado, August 15, 1958

Bell Building, Chicago, Illinois, September 1941

Osprey, Penobscot Bay, Maine, July 1974

Mourning Cloak Butterfly, Sequence on Emergence of Adult #13, II, Tesuque, New Mexico, July 1958

Mourning Cloak Butterfly, Sequence on Emergence of Adult #17, II Tesuque, New Mexico, July 1958

Shore Edge of Lake Superior, Grand Marais, Michigan, July 1, 1955

Stump on Shore of Lake Superior, Grand Marais, Michigan, July 1, 1955

Grand Canyon, Arizona, May 1940

Boathouse and Harbor, Great Spruce Head Island, Maine, July 2, 1940

Lukachukai Pass, Arizona, October 1940

Everlastings, Peak Island, Maine, August 13, 1944

Grand Canyon, Arizona, May 1940

The Cowboy