Sunset Clouds Over the Sangre de Christo Mountains, Tesuque, New Mexico, August 1978

Cottonwood Trees in New Leaf, near Red Wing, Colorado, May 21, 1975

Hays Falls, McClure Pass Road, Colorado, May 24, 1975

Aspen Trunk and Fallen Leaves and Rock, Maroon Lake Road, Aspen, Colorado, October 4, 1951

Grass in Snow, Route 3, North of Saranac Lake, Adirondack Mountains, New York, February 5, 1965

Grass in Snow, Route 3, North of Saranac Lake, Adirondack Mountains, New York, February 5, 1965

Slide Mountain Brook (Off John's Brook), Keene Valley, Adirondacks, New York, 1965

Foam Flower and Jack-in-the-Pulpit, near Mason Road, New York, May 23, 1964

Snow on Stones in River, Saranac River, New York, February 7, 1965

Unknown Pond Northwest of Cedar River, Indian Lake Region, Adirondacks, New York, May 26, 1964

Adirondack Mountains, New York

Flowers in Brook, Santa Fe Basin, New Mexico, June 14, 1957

Brown Leaves and Rock I, Santa Fe Basin, New Mexico, October 17, 1951

Brown Leaves, Santa Fe Basin, New Mexico, October 12, 1951

Snow on Fir Tree, Little Tesuque Canyon, December 29, 1959

White, Red, Gray Bentonite, Black Place, New Mexico, June 9, 1977

Lichen on Cliff, North of Apache Creek, New Mexico, April 3, 1972

Sitting Bull Falls, Guadalupe Mountains, New Mexico, May 10, 1977

Landscape with Elm Trees, Au Sable Forks, New York, February 12, 1958

Kin Kletso, Chaco Canyon, New Mexico, June 10, 1977