New York City, 1979

New York City, 1979

New York City, 1979

New York City, 1979

Central Park, New York City, 1979

A View South from Little Crow Mountain, Keene, Adirondacks, New York, October 3, 1965

Woods with First Leaves, Newfound Gap Road, Great Smoky Mountains National Park, Tennessee, April 7, 1968

Talus Rubble, Schist Boulders, Fox Glacier, Westland National Park, New Zealand, November 21, 1975

Moss on Stones, Godley Peaks Road, Lake Tekapo, New Zealand, December 1, 1975

Rainbow Falls with Branches, Great Smoky Mountains National Park, Tennessee, October 6, 1967

Lichen on River Stones, Ballhut Road, Mount Cook National Park, New Zealand, November 30, 1975

The Sinks, Road to Cades Cove, Great Smoky Mountains National Park, Tennessee, October 7, 1967

Dogwood, Ramsey Cascade Road, Great Smoky Mountains National Park, Tennessee, October 14, 1967

Moose Maple, Ramsey Cascade Trail, Great Smoky Mountains National Park, Tennessee, October 14, 1967

Moss, Moraine, Rainforest, Fox Glacier, Westland National Park, New Zealand, November 22, 1975

Snow on Balsam, Clingman's Dome, Great Smoky Mountains National Park, Tennessee, October 18, 1967

Ferns, Roaring Fork Loop Road, Great Smoky Mountains National Park, Tennessee, October 10, 1967

Ramsey Cascade, Great Smoky Mountains National Park, Tennessee, October 14, 1967

Maples and Gray Trunks, Newfound Gap Road, Great Smoky Mountains National Park, Tennessee, October 17, 1967

Hepaticas, Roaring Fork Loop Road, Great Smoky Mountains National Park, Tennessee, March 31, 1968