Guano-Covered Rocks, Cormorant Island, Palmer Station, Antarctica, February 14, 1976

Pack Ice (Sunlight), Ross Sea, from U.S. Coast Guard Cutter "Glacier," January 1976

Sunset Clouds, Palmer Station, Antarctica, February 18, 1976

Evening Storm Clouds, Palmer Station, Antarctica, February 20, 1976

Evening Storm Clouds, Palmer Station, Antarctica, February 20, 1976

Elephant Seals, Humble Island, Palmer Station, Antarctica, February 1976

Humpback Whale, Gerlache Strait, Antarctica, 1975-1976

Ryder Bay, Adelaide Island, Antarctic Peninsula, Antarctica, March 1976

Ice Flow into Ryder Bay, Adelaide Island, Antarctic Peninsula, Antarctica, March 1976

Ryder Bay, Adelaide Island, Antarctic Peninsula, Antarctica, March 1976

Prospect Point, Antarctic Peninsula, Antarctica, March 1976

Elephant Seals, Humble Island, Antarctica, March 1976

Argentine Islands, Antarctic Peninsula, Antarctica, March 1976

Green and Pink Algae in Snowbanks, Argentine Islands, Antarctica, March 1976

Rocks on Shore, Brimstone Island, Maine, July 16, 1969

Mussels Left by Crows, Great Spruce Head Island, Maine, July 21, 1969

Orange Lichen on Shore Rocks, Barred Islands, Maine, July 23, 1969

Lichen on Boulder, Green Flake Lichen, Great Spruce Head Island, Maine, June 26, 1969

Spruce Log on Forest Floor, Great Spruce Head Island, Maine, July 1, 1969

Spruce Trunk, Great Spruce Head Island, Maine, July 1, 1969