Gray Bentonite Erosions, near Hanksville, Utah, August 17, 1963

Gray Eroded Bentonite, near Hanksville, Utah, August 17, 1963

Looking South from the Ortiz Mountains, near the Moline Mining and Milling Company, New Mexico, November 2, 1946

Cundiyo, New Mexico, November 1940

Old Adobe House in Nambe Valley, Nambe, New Mexico, September 17, 1948

Flowers and Stump, Zion National Park, Utah, May 10, 1969

Reflections in Pool, Indian Creek, Escalante River, Utah, September 22, 1965

Sand with Bleached Leaves, Coraline Sand Dunes, Kanab, Utah, May 8, 1969

Indian Paintbrush, Zion National Park, Utah, May 9, 1969

Mimulus and Seep, Soda Creek, Escalante River, Lake Powell, Utah, May 11, 1965

Rocks with Desert Varnish, Lake Powell, Utah, May 1965

Canyon Wall with Vegetation, Davis Gulch, Escalante River, Lake Powell, Utah, May 12, 1965

Lake Edge, near Aztec Creek, Lake Powell, Utah, May 9, 1965

Indian Paintbrush, Canyonlands National Park, May 3, 1973

Indian Paintbrush, Canyonlands National Park, Utah, May 3, 1973

Water Slide from Above, Long Canyon, Utah

Bleached Leaves, Coraline Sand Dunes, Kanab, Utah, May 8, 1969

Blue Cliff, Aztec Creek, Lake Powell, Utah

Running Water, (Water, Moss, Leaves), Roaring Fork Road, Great Smoky Mountains National Park, Tennessee, October 10, 1967

Stephen with Bull Snake, Tesuque, New Mexico, July 29, 1948