Young Spruces, Great Spruce Head Island, Maine, June 5, 1978

Boathouse Door and Wheelbarrow, Great Spruce Head Island, Maine, May 30, 1981

Violets and Grass, Great Spruce Head Island, Maine, June 5, 1978

Alders on Beach, Great Spruce Head Island, Maine, June 19, 1978

Tree Trunk on Forest Floor, Great Spruce Head Island, Maine, July 9, 1983

Fallen Tree and Stump, Great Spruce Head Island, Maine, August 8, 1983

Sunlit Cliff and River, Marble Canyon, Arizona, June 15, 1967

King Snake, Arizona, 1959

Wiencke Island, from Neumayer Channel, Antarctica, 1976

Sea Ice, the Minnow [Islands], Prospect Point, Antarctica, March 6, 1976

Reflection of Cliff in River at Buck Farm Canyon, Mile 40, Marble Canyon, Grand Canyon, Arizona

View into Chasm, Deer Creek, Grand Canyon, Arizona, June 24, 1967

Dogwood and Tree Trunks, Road to Walnut Bottoms, Great Smoky Mountains National Park, Tennessee, April 11, 1968

Dogwood, Ramsey Prong Road, Great Smoky Mountains National Park, Tennessee, April 23, 1968

Dogwood on Edge of Forest, Newfound Gap Road, Great Smoky Mountains National Park, Tennessee, April 23, 1968

Moss on Rock, Roaring Fork Loop Road, Great Smoky Mountains National Park, Tennessee, October 10, 1967

Red Osier, near Great Barrington, Massachusetts, April 18, 1957

Redbud and Tulip Poplar, Route 129 to Foothills Parkway, Great Smoky Mountains National Park, Tennessee, April 9, 1968

Fog in Woods, Cades Cove Road, Great Smoky Mountains National Park, Tennessee, April 5, 1968

Lichen and Moss, Bull Head Trail, Great Smoky Mountains National Park, Tennessee, October 12, 1967