Moss and Lichen, Shortcut Island, Palmer Station, Antarctica, February 14, 1976

Mummy Pond, (Lake Chad), Taylor Valley, Antarctica, January 7, 1976

Pack Ice (Sunlight), Ross Sea, from U.S. Coast Guard Cutter "Glacier," January 1976

Tamarisks and River, Above Granite Rapids, Grand Canyon, Arizona, June 20, 1967

Edge of River with Reflection, Mile 197, Grand Canyon, Arizona, June 28, 1967

Fern Glen Canyon, Lower Grand Canyon, Arizona, June 29, 1967

Tall Seedling on Edge of River, Mile 197, Grand Canyon, Arizona, June 28, 1967

Looking Out [of the] Canyon, near Upset Rapid, Grand Canyon, Arizona, September 20, 1967

River Edge and Catclaw Bush, Below Havasu Creek, Grand Canyon, Arizona, June 1967

Lobster Trap Gear, Yeaton Cove, Maine, August 17, 1974

Sugar Loaf from Peak Island, Maine, August 24, 1974

Surf and Rocks, Isle au Haut, Maine, August 6, 1974

View of Lava Falls, Toroweap Point, Arizona, August 13, 1969

Canyon Edge, Toroweap Point, Arizona, August 12, 1969

Paloverde Trunks, Tucson Mountain Park, Arizona, May 16, 1958

Pool, Boulders, Upstream, Cliff, Granite Rapids, Grand Cayon, Arizona, June 20, 1967

Volcanic Boulders, Deception Island, Antarctica, February 26, 1976

Deception Island from Research Vessel "Hero", Antarctica, February 27, 1976

Pack Ice (Sunlight), Ross Sea, from U.S. Coast Guard Cutter "Glacier," January 1976

Wiencke Island, from Neumayer Channel, Antarctica, 1976