Defense Gallery, Tiryns, Greece, March 12, 1970

Lava Boulders on Grass, Kanounou Point, Maui, March 3, 1979

Fractured Obsidian, Landmannalaugar, Iceland, June 29, 1972

Moss on Cinders, near Dam Site on Thjorsa River, Iceland, June 26, 1972

Moss on Cinders, near Dam Site on Thjorsa River, Iceland, June 26, 1972

Column Drum and Foundation, Temple of Zeus, Olympia, Greece, March 18, 1971

Kaluu Cinder Cone, Haleakala Crater, Maui, March 5, 1979

Consolidated Ash, Kleifarvatn, Iceland, June 21, 1972

Steam Vent, Landmannalaugar, Iceland, June 29, 1972

Spruce Trees in Fog, Great Spruce Head Island, Maine, August 20, 1954

Grass and Tarpaper, Gott's Island, Maine, September 1955

Lichen-covered Trees, Great Spruce Head Island, Maine, July 14, 1963

Spruce Tree on Beach, Big Barred Island, Maine, July 21, 1963

Lobster Pot Buoys and Wharf House, Matinicus Island, Maine, August 24, 1954

Jewel Weed, Great Spruce Head Island, Maine, August 30, 1954

Broken Pitcher, Gott's Island, Maine, September 1955

Lichen-Covered Trees, Great Spruce Head Island, Maine, July 14, 1963

Spruce Trunks and Grass, Great Spruce Head Island, Maine, August 9, 1954

Lobster Pot Buoys, Matinicus Island, Maine, August 24, 1954

Tide Pool, Gott's Island, Maine, September 1955