Rocky Mountain Orange-crowned Warbler, Aspen Basin, Sangre de Cristo Mountains, New Mexico, July 13, 1959

Spruce Trees, Great Spruce Head Island, Maine, August 1940

Gypsum Deposits, Capitol Reef National Park, Utah, June 18, 1975

Canyon Wall, Grand Canyon of the Yellowstone, Yellowstone National Park, Wyoming, August 29, 1979

Yellow Birch and Beech Leaves, Rochester, Vermont, March 11, 1957

Grand Teton and Snake River in Rainstorm, Grand Teton National Park, Wyoming, June 24, 1975

Whiskered Owl, Cave Creek, Chiricahua Mountains, Arizona, May 1959

House at Castine, Maine, August 16, 1939

Eroded Caprock and Brush, Palo Duro Canyon, Randall County

Sunrise over the Gulf of Mexico, Padre Island, Kleberg County

Town and Country Mall. Temple

Sand Dunes and Shinoak, Monahans, Ward County

Smelter Cemetery, El Paso, Texas, 5/17/84

Nic Nicosia. Dallas

Dennis Yadon, Midland County, Texas, 5/11/84

Yellow Jacket Drive-in, Kermit, Texas, 5/9/84

Ice Pinnacles, Wright Lower Glacier, Wright Valley, Antarctica, December 12, 1975

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

Water Chute, Explorer's Canyon, Lake Powell, Utah, September 6, 1968

Water Chute, Explorer's Canyon, Lake Powell, Utah, September 6, 1968