Cascade in Big Creek, Walnut Bottom Road, Great Smoky Mountains National Park, Tennessee, April 24, 1968

Reflections in Little River, Great Smoky Mountains National Park, Tennessee, April 25, 1968

Yellow Violets on Road to Route 129 from Cades Cove, Great Smoky Mountains National Park, Tennessee, April 9, 1968

Trillium grandiflorum, Newfound Gap Road, Great Smoky Mountains National Park, Tennessee, April 7, 1968

White Wake Robin, Walnut Bottom, Great Smoky Mountains National Park, Tennessee, April 14, 1968

Landscape with Dogwood, Newfound Gap Road, Great Smoky Mountains National Park, Tennessee, April 13, 1968

Heavy Frost on Trees, Newfound Gap, Great Smoky Mountains National Park, Tennessee, March 12, 1969

Congaree Swamp, South Carolina

Firs and Sword Ferns, Hoh Rain Forest, Olympic Peninsula, Washington, July 24, 1975

Clouds Forming Over Mount Baker, July 30, 1975

Drift Stump and Dead Trees, Cape Meares, Oregon, July 16, 1975

View South into North Carolina, Great Smoky Mountains National Park, June 26, 1968

Tree and Mountain Valley, Great Smoky Mountains National Park, Tennessee, March 11, 1969

Icicles on Cliff, Roaring Fork, Great Smoky Mountains National Park, Tennessee, March 12, 1969

Mixed Woods, Trillium Gap Trail, Great Smoky Mountains National Park, Tennessee, May 9, 1968

Roadside Spring, Wallowa National Forest, Oregon, July 10, 1975

Foxglove, Ecola State Park, Oregon, July 16, 1975

Cloud Forming Over Mount Rainier, Washington, August 2, 1975

Cloud Forming Over Mount Rainier, Washington

Waves on Beach, Olympic Peninsula, Washington, July 23, 1975