Squirrel Corn, Walnut Bottoms, Great Smoky Mountains National Park, Tennessee, April 14, 1968

White Violets, Tremont Road, Great Smoky Mountains National Park, Tennessee, April 21, 1968

Oak Tree and Mountainside, Newfound Gap Road, Great Smoky Mountains National Park, Tennessee, April 23, 1968

Hemlocks, Roaring Fork Road, Great Smoky Mountains National Park, Tennessee, March 13, 1969

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

Firs and Pine Trunk on Road to Halfway, Wallowa National Forest, Oregon, July 10, 1975

Tidal Pool with Sea Urchins, Cape Arago, Oregon, July 13, 1975

Rocky Shore at Low Tide, Devil's Punch Bowl, Oregon, July 15, 1975

Flame Azalea, Blue Ridge Parkway, North Carolina, May 17, 1968

Dwarf Rhododendron, Appalachian Trail, Great Smoky Mountains National Park, Tennessee, June 29, 1968

Snow on Tree Trunk, Great Smoky Mountains National Park, Tennessee, March 12, 1969

Icicles and Moss, Roaring Fork, Great Smoky Mountains National Park, Tennessee, March 12, 1969

Cypress Knees in Water, Four Hole Swamp, South Carolina, October 30, 1969

Rocks and Tidal Pool, Second Beach, Olympic Peninsula, Washington, July 26, 1975

Maple, Eagle Creek Trail, Mount Hood National Forest, Oregon, July 19, 1975

Ocean-eroded Sandstone, Cape Kiwanda, Oregon, July 15, 1975

Laurel and Grass, Spence Field, Great Smoky Mountains National Park, Tennessee, June 28, 1968

Hemlock Branches, Great Smoky Mountains National Park, Tennessee, June 30, 1968

Snow-covered Trees, Great Smoky Mountains National Park, Tennessee, March 12, 1969

Ice and Waterfall, Roaring Fork River, Great Smoky Mountains National Park, Tennessee, March 12, 1969