Cirrus Clouds, Great Spruce Head Island, Maine, August 7, 1944

Cirrus Clouds, Great Spruce Head Island, Maine, August 7, 1944

Lighthouse and Beach at Low Tide, Matinicus Rock, Maine, August 5, 1949

Boathouse, Matinicus Rock, Maine, August 6, 1949

Boat House, Matinicus Rock, Maine, August 6, 1949

Boat House, Matinicus Rock, Maine, August 6, 1949

Red Lobelia, Wilson Canyon, Utah, September 21, 1965

Jasperized Fossils, Dark Canyon, Lake Powell, Utah, September 10, 1968

Ferns and Weeds on Wall, Willow Canyon, Utah, August 12, 1971

Polished Limestone, Dark Canyon, Utah, September 25, 1965

Striped Cliff, Emerald Pool, Zion National Park, Utah, May 10, 1969

Wet Wall, Cathedral in the Desert, Clear Creek, Utah, September 22, 1965

Algae Scum in Pool, Explorer's Canyon, Lake Powell, Utah, September 6, 1968

Pool With Reflections, Dark Canyon, Lake Powell, Utah, September 9, 1968

Terraces, Long Canyon, Utah, September 21, 1965

Sandstone Slot, Forgotten Canyon, Lake Powell, Utah, September 11, 1968

Spring Flowers, Great Spruce Head Island, Maine, 1938

Spring Flowers, Great Spruce Head Island, Maine, 1938

Schoolhouse, Supai, May 1940

Spruce Trees, Great Spruce Head Island, August 17, 1939