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

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

Talus Rubble, Moss and Lichen, Fox Glacier, Westland National Park, New Zealand, November 21, 1975

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

Small Cascade, Le Conte Brook, Great Smoky Mountains National Park, Tennessee, October 8, 1967

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

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

Checker Berries, Trillium Gap Trail, Great Smoky Mountains National Park, Tennessee, October 16, 1967

Poplars and Hillside, Newfound Gap Road, Great Smoky Mountains National Park, Tennessee, October 17, 1967

Rainforest, Milford Sound Road, New Zealand, November 25, 1975

Windfall, Rainbow Falls Trail, Great Smoky Mountains National Park, Tennessee, October 8, 1967

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

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

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

Beech Seedlings, Cades Cove Road, Great Smoky Mountains National Park, Tennessee, October 15, 1967

Hemlocks, Trillium Gap Trail, Great Smoky Mountains National Park, Tennessee, October 16, 1967

Hemlocks, Trillium Gap Trail, Great Smoky Mountains National Park, Tennessee, October 16, 1967

Boulders on Plain, Mount Cook, Ball Hut Road, New Zealand, November 30, 1975

Pigeon River with Trees, Great Smoky Mountains National Park, Tennessee, October 13, 1967

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