Grass in sand
Grass in sand; Massachusetts; 1973 
Fallen Trees, Moss, and Snow
Fallen Trees, Moss, and Snow; Rhode Island; 1973 
Sandy snow
Sandy snow; Highland Park; 1971 
Grasses and ice, Sprague Lake, Rocky Mountain National Park
Grasses and ice at Sprague Lake in Rocky Mountain National Park; 2012 
2012-03-19 13.57.52
Grasses and ice, Sprague Lake, Rocky Mountain National Park; 2012 
Moraine Park in Highland Park, IL
Moraine Park in Highland Park, IL 
Mud Pot in Yellowstone N.P.
Mud Pot in Yellowstone National Park; 1976 
Pond, New York
Pond along the D & H Canal Heritage Corridor (O&W Rail-Trail), New York; 2015 
17-211222-Lichen-at-Kaaterskill-Falls-03
Lichen at Kaaterskill Falls, Catskill Mountains, New York; 2021 
Stump on Molas Pass
Tree stump on Molas Pass, Colorado 
Chasm Lake, Rocky Mountain N.P.
Chasm Lake, Rocky Mountain National Park; 2009. 
Winter shows the structure
Winter shows the structure; Rocky Mountain National Park; 2009 
At the Saugerties Lighthouse
At the Saugerties Lighthouse on the Hudson River; 2015 
Yellowstone Mud Pot
Yellowstone Mud Pot; 1976 
Phil's Family Apple Farm
Phil's family apple farm in upstate New York; 1975 
Slate River above Crested Butte
Slate River above Crested Butte; 1983 
Boiling Mud, Yellowstone N.P.
Boiling Mud, Yellowstone National Park; 1978 
Frozen Pond in Opus 40; Saugerties, NY
Frozen Pond in Opus 40; Saugerties, NY; 2006 
Frosty Grass, Saugerties, NY
Frosty Grass, Saugerties, NY 
Dripping moss; Plivitce National Park, Croatia
Dripping moss; Plitvice National Park, Croatia; 2006 
Grasses in Saugerties, NY
Grasses in Saugerties, NY; 2006 
