Camera Obscura 1975:
Butterfly on Wildflowers Near Beaver Pond in Yellowstone
Camera Obscura 1975:
Bitterroot (Lewisia rediviva) in Yellowstone
Camera Obscura 1975:
Indian Paintbrush in Yellowstone
Camera Obscura 1975:
Wildflowers in Yellowstone
Camera Obscura 1975:
Vista on Our hike to Beaver Lake in Yellowstone
Camera Obscura 1975:
View from Beaver Pond Trail in Yellowstone
Camera Obscura 1975:
The Abyss Hot Spring in the West Thumb Geyser Basin in Yellowstone
Camera Obscura 1975:
Steaming Water from Hot Springs Flowing into the Firehole River in Yellowstone
Camera Obscura 1975:
Shoshone Lake in Yellowstone
Camera Obscura 1975:
From the series: "Once and never again"
Camera Obscura 1975:
Wes Thumb Geyser Basin
Camera Obscura 1975:
Near Shoshone Lake in Yellowstone
Camera Obscura 1975:
Mammoth Hot Springs in Yellowstone
Camera Obscura 1975:
Mallard Lake in Yellowstone
Camera Obscura 1975:
Mallard Lake in Yellowstone
Camera Obscura 1975:
The Grand Tetons in Front of Jackson Lake
Camera Obscura 1975:
Grand Prismatic Spring IV
Camera Obscura 1975:
Grand Prismatic Spring III
Camera Obscura 1975:
Grand Prismatic Spring II
Camera Obscura 1975:
Grand Prismatic Spring in Yellowstone
Camera Obscura 1975:
Tree Remnant and Yellowstone Lake in the West Thumb Geyser Basin
Camera Obscura 1975:
Beaver Pond in Yellowstone
Camera Obscura 1975:
The Trail Past Beaver Pond in Yellowstone
Camera Obscura 1975:
Beaver Pond in Yellowstone
Camera Obscura 1975:
Zeiss Telescope in the Mount Washburn Summit Observation Room in Yellowstone
Camera Obscura 1975:
Trees on Mt. Washburn
Camera Obscura 1975:
Tree on Mary Mountain trail in Yellowstone
Camera Obscura 1975:
The Trail to Cascade Lake in Yellowstone
Camera Obscura 1975:
The Path up Mt. Washburn in Yellowstone
Camera Obscura 1975:
The Grand Tetons and Jackson Lake
