Weddell Seal Skeleton, Prospect Point, Antarctica, March 6, 1976

Nussbaum Riegel and Suess Glacier, Taylor Valley, Antarctica, January 7, 1976

Adélie Penguins on Snowbank, Hermit Island, Palmer Station, Antarctica, February 14, 1976

Ice and Snowbank, Litchfield Island, Palmer Station, Antarctica, February 11, 1976

Neumayer Passage from Research Vessel "Hero", Antarctica, February 24, 1976

Iceberg and Fog, Amundsen Sea From United States Coast Guard Cutter "Glacier", Antarctica, February 1976

Mud Flat with Ice, Litchfield Island, Palmer Station, Antarctica, February 11, 1976

Mount Erebus, Departure from McMurdo Station on U.S. Coast Guard Cutter "Glacier," January 16, 1976

Tamarisks and River, Above Granite Rapids, Grand Canyon, Arizona, June 19, 1967

Cascade Above Gorge, Deer Creek, Grand Canyon, Arizona, September 19, 1967

Sandbar, Mouth of Little Colorado, Grand Canyon, Arizona, September 14, 1967

Rocks on River Bank, Below Havasu Creek, Grand Canyon, Arizona, June 26, 1967

Edge of River with Reflections, Mile 197, Grand Canyon, Arizona, June 28, 1967

Tamarisk and Colorado River, Tanner Flat, Grand Canyon, Arizona, September 14, 1967

Deer Creek Gorge Looking Out, Grand Canyon, Arizona, September 19, 1967

Reflections in Deer Creek at River's Edge, Grand Canyon, Arizona, September 20, 1967

Shadow on Cliff with Reflections, Mile 122, Grand Canyon, Arizona, June 22, 1967

White Tuft Grass, Tanner Flat, Grand Canyon, Arizona, September 14, 1967

Travertine Formation, Elves Chasm, Grand Canyon, Arizona, September 17, 1967

Tamarisk and Colorado River, Tanner Flat, Grand Canyon, Arizona, September 14, 1967