Commonwealth Glacier, Taylor Valley, Antarctica

Adélie Penguins Rookery, Cormorant Island, [Antarctica], January 17, 1975

Ice and Sand, New Harbor Shore, McMurdo Sound, Antarctica

Rhone Glacier, Taylor Valley, Antarctica, December 11, 1975

Ice Pinnacles, Lake Chad, Taylor Valley, Antarctica

Barnacles and Seaweed, Great Spruce Head Island, Maine, July 15, 1964

Green Algae and Barnacles, Eagle Island, Maine, July 22, 1965

Cobweb with Raindrops and Lichen, Great Spruce Head Island, Maine

The Cove Looking West, Great Spruce Head Island, Maine, July 12, 1965

Blue Jay Feathers, Great Spruce Head Island, Maine, July 5, 1968

Rugosa Roses in Meadow, Great Spruce Head Island, Maine, July 18, 1968

Strawberry Flowers, Great Spruce Head Island, Maine, June 13, 1968

The Cove, Great Spruce Head Island, Maine, July 29, 1968

Violets and Strawberries, Great Spruce Head Island, Maine, June 5, 1969

Spruce Forest, Great Spruce Head Island, Maine, July 7, 1968

Quartz Veins and Lichen, Great Spruce Head Island, Maine, June 16, 1969

Maianthemum and Moss, Great Spruce Head Island, Maine, June 16, 1969

River Gorge, Road to Laki, Iceland, July 3, 1972

Glaciated Basalt Columns near Kirkjubaejarklaustar, Iceland, July 3, 1972

Glacial Contact with Rock Wall near Skogar, Iceland, July 5, 1972