Mosquito Point, Camden, Maine, 1982

Great Spruce Head Island, Maine, 1982

Great Spruce Head Island, Maine, 1982

Owl's Head, Maine, 1983

Grass, Great Spruce Head Island, Maine, July 4, 1982

Red Pumice and Lava, Hnappadalur, Snaefellsnes, Iceland, July 11, 1972

Waterfall Near Landmannahellir, Iceland, June 28, 1972

Pool in Glacier near Skogar, Iceland, July 5, 1972

Golden Moss on Lava near Kirkjubaejarkaustar, Iceland, July 2, 1972

Moss-covered Stones in Brook near Dalvik, Iceland, July 20, 1972

Honeycomb Weathering at Dimmuborgir, Mývatn, Iceland, July 26, 1972

Green Sea Cliff, Berufjordhur, on Road to Hofn, Iceland, July 30, 1972

Lichen on Round Stones near Flaajokull, South Coast, Iceland, July 31, 1972

Church, Hofn, Iceland, August 2, 1972

Flowering Heath and Round Stones Flaajokull, South Coast, Iceland, July 31, 1972

Pseudo-craters, Mývatn, Iceland, July 26, 1972

Beach Stones, Hellnar, Snaefellsnes, Iceland, July 14, 1972

Yellow Flowers in Lava Field, Craters of the Moon [National Monument], Idaho, July 2, 1975

Redbud Tree in Bottom Land, Red River Gorge, Kentucky

Sandbar, Thjorsa River, Iceland, August 12, 1972