Fractured Basalt and Lichen, Peak Island, Maine, July 24, 1969

Dead Spruce Trunk, Great Spruce Head Island, Maine, July 1, 1969

Fractured Rock with Lichen, Brimstone Island, Maine, July 16, 1969

Fungi in Birch Trunk, Great Spruce Head Island, Maine, June 14, 1971

Birch Log and Leaves, Great Spruce Head Island, Maine, June 26, 1971

Bunchberries, Great Spruce Head Island, Maine, July 27, 1971

Orange and Gray Lichen on Granite, Seal Island, Maine, August 22, 1972

Roses in South Meadow, Great Spruce Head Island, Maine, August 7, 1973

Lichen on Glaciated Basalt, Sugarloaf Island, Barred Islands, Maine, August 31, 1972

Rock Cliff with White Deposit, Bradbury Island, Maine, August 25, 1973

Grass on Cliff, Peak Island, Maine, July 17, 1974

Whale Bones, Port Lockroy, Antarctica, January 14, 1975

Chinstrap Penguins, Gibbs Island, Antarctica, January 11, 1975

Whale Bones, Port Lockroy, Antarctica, January 14, 1975

Quartz Veins and Lichen, Little Spruce Head Island, Maine, August 24, 1973

Green Shale Rock, Bradbury Island, Maine, August 25, 1973

Isle au Haut from Crotch Island, Maine, July 22, 1974

Columbine Leaves, Great Spruce Head Island, Maine, July 27, 1974

Ice Pinnacles, Wright Lower Glacier, Wright Valley, Antarctica, December 12, 1975

Ice Pinnacles, Wright Lower Glacier, Wright Valley, Antarctica, December 12, 1975