Rocks and Waves, Second Beach, Olympic Peninsula, Washington, July 26, 1975

Forest by West Lake, Congaree, South Carolina, October 26, 1969

Ferns, Ecola State Park, Oregon, July 17, 1975

Clouds Forming Over Mount Baker, July 30, 1975

Heather, Mount Rainier, Washington, August 2, 1975

Noctilucent Clouds Over Mount Baker, Washington

Noctilucent Clouds Over Mount Baker, Washington

Cypress Knees, Congaree, South Carolina, October 24, 1969

Tupelo Trunk and Water, Congaree, South Carolina, October 25, 1969

Cypress in Frenchman's Pond, Congaree, South Carolina, October 25, 1969

Congaree Swamp, South Carolina, April 19, 1969

Fungi on Dead Stub, Congaree, South Carolina, October 28, 1969

Fungi on Dead Stub, Congaree, South Carolina, October 28, 1969

Cypress in Frenchman's Pond, Congaree, South Carolina, October 25, 1969

Mount Adams Snowfield, Washington, July 20, 1975

Cypress on Western Lake, Congaree Swamp, South Carolina, October 25, 1969

Airplane View, Congaree Swamp in Flood, South Carolina, April 19, 1969

Water Tupelo and Cypress Knees, Congaree, South Carolina, October 25, 1969

Fallen Leaves on Water, Congaree, South Carolina, October 25, 1969

Cactus Blossoms, Big Bend National Park, Texas, May 21, 1950