End of Golden Canyon, Death Valley, California, May 2, 1974

End of Golden Canyon, Death Valley, California, May 2, 1974

Grotto in Sediments, Death Valley, California, May 5, 1974

Rock Rubble, Death Valley, California, May 5, 1974

Kelp, South of Lucia, Big Sur, California, September 26, 1975

Kelp, South of Lucia, Big Sur, California, September 26, 1975

From Zabriskie Point, Death Valley, California, May 1, 1974

From Zabriskie Point, Death Valley, California, May 1, 1974

Zabriskie Point, Death Valley, California, May 2, 1974

Green Algae on Sandstone, La Jolla, California, February 11, 1968

Ferns and Horsetail, Fern Canyon, Redwood Park, California, August 6, 1975

Confucius Family Cemetery, Qufu, China, June 19, 1980

View from Monastery Nunatak, Dry Valleys, Antarctica, December 31, 1975

Salt Crystals, Death Valley Floor, California, April 30, 1974

Sand Dunes, Death Valley, California, May 4, 1974

Eroded Deposits, Artists Drive, Death Valley, California, May 1, 1974

Eroded Sandstone on Shore, La Jolla, California, February 11, 1968

Yellow Daisies, Artists Drive, Death Valley, California, May 1, 1974

Mud Cracks in Sand Dunes, Death Valley, California, May 4, 1974

Sand Dunes, Death Valley, California, May 4, 1974