Water Stains, Music Temple, Glen Canyon, Utah, September 23, 1961

Water Stains, Music Temple, Glen Canyon, Utah, September 23, 1961

Monument Valley, Utah, August, 1947

Pool in Upper Hidden Passage, Glen Canyon, Utah, August 27, 1961

Pool and Mud Bank, Hidden Passage, Glen Canyon, Utah, September 22, 1961

Redbud Tree, Detail, Hidden Passage, Glen Canyon, Utah, September 22, 1961

Isle au Haut from Crotch Island, Maine, July 22, 1974

Fungus, Great Spruce Head Island, Maine, July 26, 1974

Columbine Leaves, Great Spruce Head Island, Maine, July 27, 1974

Columbine Leaves, Great Spruce Head Island, Maine, July 27, 1974

Bunchberries in Grass, Great Spruce Head Island, Maine, August 28, 1973

Mushrooms and Moss, Great Spruce Head Island, Maine, July 20, 1971

Lichen on Glaciated Basalt, Sugarloaf Island, Barred Islands, Maine, August 31, 1972

Evening Primroses and Harbor, Sylvester Cove, Deer Isle, Maine, August 8, 1973

Orange and Gray Lichen on Granite, Seal Island, Maine, August 22, 1972

Orange and Gray Lichen on Granite, Seal Island, Maine, August 22, 1972

White Asters, Great Spruce Head Island, Maine, August 24, 1972

Beach Geraniums and Mussels, Great Spruce Head Island, Maine, August 6, 1973

Roses in South Meadow, Great Spruce Head Island, Maine, August 7, 1973

Roses in South Meadow, Great Spruce Head Island, Maine, August 7, 1973