Thunder River Falls, General View, Grand Canyon, Arizona, June 23, 1967

Lower End of Falls, Travertine Falls, Grand Canyon, Arizona, June 29, 1967

Edge of Sandbar with Rock, Above Bass Rapid, Mile 106, Grand Canyon, Arizona, September 17, 1967

Fractured Rhyolite, Quaddy Head, Maine, August 19, 1974

Cliff at Gulliver's Hole, Quaddy Head, Maine, August 19, 1974

Columnar Basalt Cliff, Whitmore Wash, Arizona, August 15, 1969

Tidal Estuary, Jonesport, Maine, August 18, 1974

Tidal Estuary, Jonesport, Maine, August 18, 1974

Lichened Rocks on Shore, Little Spruce Head Island, Maine, August 28, 1974

Narrow Side Canyon, Toroweap, Arizona, August 13, 1969

Looking into Grand Canyon, Boysag Point, Arizona, August 17, 1969

Window with Flag, Stonington, Maine, August 4, 1974

Private Wharf, Beal's Island, Jonesport, Maine, August 18, 1974

Fireweed, South Lubec, Maine, August 19, 1974

The Top of Peak Island, Barred Islands, Maine, August 24, 1974

The Top of Peak Island, Barred Islands, Maine, August 24, 1974

The Top of Peak Island, Barred Islands, Maine, August 24, 1974

Tamarisk on Riverbank, Whitmore Wash, Grand Canyon, Arizona, September 22, 1967

Lichen and Sagebrush Roots, Vulcan's Throne, Toroweap Point, Arizona, August 13, 1969

Columnar Basalt, Whitmore Wash, Arizona, August 15, 1969