Mustard and Lichen, Colt's Head Island, Maine, July 23, 1963

White Rocks and Lichen on Shore, Oak Island, Maine, August 29, 1955

Grass and Weeds, Great Spruce Head Island, Maine, July 17, 1963

Seaweed, Water, Rocks, Little Spruce Head Island, Maine, July 23, 1963

Lichen on Rock, Little Spruce Head Island, Maine, July 26, 1963

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

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

Lichen and Birch Branch, Dirego Island, Maine, July 11, 1963

Beach Goldenrod and Fog, Great Spruce Head Island, Maine, August 16, 1954

Blackberries and Grass, Great Spruce Head Island, Maine, August 30, 1954

Blackberries and Grass, Great Spruce Head Island, Maine, August 30, 1954

Crab in Seaweed, Great Spruce Head Island, Maine, July 15, 1955

Sandstone Cliff, Detail, Double Arch Trail, Red River Gorge, Kentucky, April 18, 1968

Moss and Lichen on Forest Floor, Great Spruce Head Island, Maine, August 3, 1954

Sumac, Great Spruce Head Island, Maine, August 1, 1954

Sumac, Great Spruce Head Island, Maine, August 1, 1954

Sumac, Great Spruce Head Island, Maine, August 1, 1954

Waterfall Near Rock Bridge, Swift Camp Creek, Red River Gorge, Kentucky, April 19, 1968

Crab Legs Left by Crows, Great Spruce Head Island, Maine, July 17, 1949

Crab Legs Left by Crows, Great Spruce Head Island, Maine, July 17, 1949