Caprocks, Cameron, Arizona, July 31, 1956

Pojoaque Valley, Jemez Mountains, New Mexico, July 9, 1950

Cloud Formations, Tesuque, New Mexico, October 1958

Cliff House, Canyon de Chelly, Arizona, August 20, 1953

Cliff House, Canyon de Chelly, Arizona, August 20, 1953

Aspens, Pacheco Canyon, New Mexico, October 10, 1958

Aspens, Pacheco Canyon, New Mexico, October 10, 1958

Aspens, Pacheco Canyon, New Mexico, October 10, 1958

Adobe House at La Plaza, New Mexico, October 13, 1948

Dark Stones on Light Sandstone, White Place, Abiquiu, New Mexico, August 16, 1959

Eagle's Nest, New Mexico, September 30, 1949

Bryce Canyon, Utah, August 28, 1963

Plunge Pool, Cathedral in the Desert, Clear Creek Off Escalante River, Utah, August 23, 1964

Wet Wall, Cathedral in the Desert, Clear Creek, Lake Powell, Utah, May 10, 1965

Downstream, Davis Gulch, Escalante River, Lake Powell, Utah, May 12, 1965

Downstream, Davis Gulch, Escalante River, Lake Powell, Utah, May 12, 1965

Streaked Wall, Cathedral in the Desert, Clear Creek, Lake Powell, Utah, May 10, 1965

Mearns' Gilded Flicker, Arizona-Sonora Desert Museum, Tucson, Arizona, May 30, 1955

Ladder-backed Woodpecker, Male, Vicinity of Tucson, Arizona, May 15, 1952

Vermilion Flycatcher, Male and Female, X-9 Ranch, Tucson, Arizona, April 28, 1958