Rock Eagle effigy in dawn midst; Rock Eagle ...

Enchanted Rock; Enchanted Rock State Natural Area, Texas

Rock detail near Scenic Overlook; Enchanted Rock State ...

Night Mystery, wet sand and sunlight on water; ...

Composite of moon, trees and human effigy, Bannock ...

Autumn foliage; Stone Mountain Park, Georgia

Boulders and trees; Ringing Rocks State Park, Pennsylvania

Rock the Boat

Eagle in Flight

Untitled (Eagle in flight)

Shambhala, detail of opal rock; Brisbane, Australia

Shoreline at Goat Rock; Bodega Bay, California

Place of the night journey, Dome of the ...

Night Wing

Untitled (Eagle)

Untitled (water pounding rocks)

Proceedings REACT '78 : symposium on cost effectiveness ...

Untitled (Eagles)

Annual report of the Center for Transportation Studies, ...

Annual report of the Center for Transportation Studies, ...