Dead Weathered Pines, Elk Mountain, New Mexico, September 1, 1960

Detail of Locomotive, Madrid, New Mexico, August 18, 1959

Window with Loose Tin, La Bajada, New Mexico, July 31, 1961

Corral Gate, La Bajada, New Mexico, July 31, 1961

Sandstone Cliff, White Place, Abiquiu, New Mexico, August 5, 1959

Fountain Tanks, Waterpocket Fold, Utah, August 22, 1963

Fountain Tanks, Waterpocket Fold, Utah, August 22, 1963

Cloud Formations, Tesuque, New Mexico, October 1958

Ferns, Moss, Dripping Water, Redbud Canyon, San Juan River, Utah, May 25, 1962

Rock Formations, San Juan River, Utah, May 1962

Water Seep, Seven Mile Canyon, Glen Canyon, Utah, September 2, 1962

Water Seep, Seven Mile Canyon, Glen Canyon, Utah, September 2, 1962

Water Seep, Seven Mile Canyon, Glen Canyon, Utah, September 2, 1962

Mimulus and Ferns, Hall's Creek, Glen Canyon, Utah, September 3, 1962

Blue-throated Hummingbird, Southwestern Research Station, Chiricahua Mountains, Arizona, May 1959

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

Baltimore Oriole, Male, June 13, 1941

Snowy Egret, Kissimmee Prairie, Florida, April 1954

Water Seep, Nevels Canyon, San Juan River, Utah, May 25, 1962

Horses Head, Sangre de Cristo Mountains, New Mexico, September 28, 1949