Giant Lobelia Seedling, Upper Teleki Valley, Mount Kenya, February 14,1970

May Apple, near Harrisburg, Pennsylvania, May 13, 1957

Erratic Boulder, Barred Island, Maine

White Stone, Chain Links, Maine, July 20, 1983

Eroded Tabular Iceberg, Grandidier Channel, Antarctica, March 1976

Pendleton Strait, Antarctic Peninsula, Antarctica, March 1976

Ryder Bay, Penguins on Ice, Antarctica, March 1976

Bismarck Strait, Wiencke Island, Antarctica, March 1976

Arch Iceberg, Antarctic Peninsula, 1975-1976

Sea Reflections, Schollaert Channel, Antarctica, February 1976

Blue-eyed Shag, Cormorant Island, Palmer Station, Antarctica, February 1976

Pendleton Strait with Multiple Icebergs, Antarctic Peninsula, Antarctica, March 1976

Ryder Bay, Adelaide Island, Antarctica, March 1976

Pendleton Strait, Antarctic Peninsula, Antarctica, March 1976

Suess Glacier, Taylor Valley, Antarctica, January 7, 1976

Chemistry Equipment, Scott' s Hut, Ross Island, Antarctica, January 1976

Dry Valleys, Antarctica, December 1975

Transantarctic Mountains, South Pole Flight, Antarctica, December 1975

Emperor Penguins, McMurdo Sound, December 1975

Dry Valley, Antarctica, December 1975