Grave with Light Bulb, Scammon's Lagoon [Laguna Ojo de Liebre], Baja California, Mexico, February 25, 1964

Organ Pipe Cactus from Tres Virgenes Canyon, Baja California, March 3, 1964

Elephant Tree in Canyon near Rosarito, Baja California, March 29, 1964

Vegetation on Hillside, Lichen-Covered Rocks Below El Marmol, Baja California, March 31, 1964

Concepcion Bay, Baja California, March 6, 1964

Bahia de la Concepcion, Baja California, 1964

Lichen on Boulder Between San Javier and Comondu, Baja California, March 9, 1964

Pool and Algae, Rio de la Purisima, Baja California, March 24, 1964

Red-spined Cactus near San Augustin, Baja California, March 31, 1964

Cardon Forest, Road to Mulegé, Baja California, Mexico, March 4, 1964

Beach with Bones near San Lucas, Below Santa Rosalia, Baja California, March 4, 1964

Willows in Purisima River, Rio de la Purisima, Baja California, March 24, 1964

Green Algae at Low Tide, Concepcion Bay, Baja California, March 25, 1964

Fossiliferous Rock, Tres Virgenes Canyon, Baja California, March 1, 1964

Llo Molo Dancers, Lake Rudolf, Kenya, Africa, 1970

Ice in Lake, Lassen Volcanic Park, California, August 8, 1975

Juvenile Flamingos, Lake Nakuru, Kenya, September 2, 1970

Parasitized Elephant Tree, Road to San Borjas, Baja California, Mexico, August 5, 1966

Granite Domes, Road to Punta San Francisquito, Baja California, August 7, 1966

Pines by Lake, Laguna Juarez, Baja California, July 24, 1966