Detail of Bridge, Natural Bridges National Monument, Utah, September 22, 1947

Double-crested Cormorants' Nests, Colt Head Island, Maine, July 27, 1949

Juniper Tree near Kayenta, Arizona, October 1940

Spruce Trees in Fog, Great Spruce Head Island, Maine, August 20, 1954

Birch Tree & Bridge, Great Spruce Head Island, Maine, August 7, 1940

Rowboat in Grass, Great Spruce Head Island, Maine, July 8, 1971

Second Hand Store, Ouray, Colorado, September 4, 1948

Coal Canyon, Arizona, May 1940

Eagle Island, Maine, 1937

Sheep Luggers

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

Horse Skull, O'Keeffe's House, Abiquiu, New Mexico, August 5, 1952

Rio Grande Valley North of Taos, New Mexico, October 21, 1948

Rio Grande Valley North of Taos, New Mexico, October 21, 1948

Bentonite Mounds, Heartnut Desert, Utah, August 29, 1963

Williamson Sapsucker, Male, Hyde Memorial State Park, New Mexico, July 2, 1952

Yellow-bellied Flycatcher, Pittsburg, New Hampshire, July 6, 1965

Mud Ripples and Pool, Hidden Passage, Glen Canyon, Utah, September 22, 1961

Rocks in Aztec Creek, Glen Canyon, Utah, September 5, 1962

Lupin and Sage, Craters of the Moon, Idaho, July 3, 1975