The Douglas Campbell Show:
Lewis Falls on Lewis River, Yellowstone, WY (1979)
The Douglas Campbell Show:
New plant growth, West Thumb Geyser Basin, Yellowstone, WY (1979)
The Douglas Campbell Show:
Huckleberry Hot Springs, Grand Teton - Yellowstone, WY (1979)
The Douglas Campbell Show:
Lower Falls of Yellowstone River, Yellowstone National Park, WY (1979)
The Douglas Campbell Show:
Yellowstone River and Grand Canyon, Yellowstone Park, WY (1979)
The Douglas Campbell Show:
Norris Gibbon River, Yellowstone Park, WY (1979)
The Douglas Campbell Show:
Norris Geyser Basin, Yellowstone, WY (1979)
The Douglas Campbell Show:
Norris Geyser Basin, Yellowstone Park, WY (1979)
The Douglas Campbell Show:
Norris Geyser Basin, Yellowstone Park, WY (1979)
The Douglas Campbell Show:
Algae and bacteria in water, Norris Geyser Basin, Yellowstone, WY (1979)
The Douglas Campbell Show:
Norris Geyser Basin, Yellowstone, WY (1979)
The Douglas Campbell Show:
Norris Geyser Basin, Yellowstone, WY (1979)
The Douglas Campbell Show:
Norris Geyser Basin, Yellowstone, WY (1979)
The Douglas Campbell Show:
Norris Geyser Basin, Yellowstone, WY (1979)
The Douglas Campbell Show:
Travertine deposit on plants, Mammoth Hot Springs, Yellowstone, WY (1979)
The Douglas Campbell Show:
Madison River, Yellowstone, WY (1979)
The Douglas Campbell Show:
Lower Falls of Yellowstone River, Yellowstone Park, WY (1979)
The Douglas Campbell Show:
Norris Geyser Basin, Yellowstone Park, WY (1979)
The Douglas Campbell Show:
Algae and bacteria in water, Norris Geyser Basin, Yellowstone, WY (1979)
The Douglas Campbell Show:
Minerva Terrace, Mammoth Hot Springs, Yellowstone, WY (1979)
The Douglas Campbell Show:
Minerva Terrace, Mammoth Hot Springs, Yellowstone, WY (1979)
The Douglas Campbell Show:
Minerva Terrace, Mammoth Hot Springs, Yellowstone Park, WY (1979)
The Douglas Campbell Show:
Minerva Terrace, Mammoth Hot Springs, Yellowstone, WY (1979)
The Douglas Campbell Show:
Minerva Terrace, Mammoth Hot Springs, Yellowstone, WY (1979)
The Douglas Campbell Show:
Hot spring at West Thumb Geyser Basin, Yellowstone, WY (1979)
The Douglas Campbell Show:
West Thumb Geyser Basin, Yellowstone, WY (1979)
The Douglas Campbell Show:
Minerva Terrace, Mammoth Hot Springs, Yellowstone, WY (1979)
The Douglas Campbell Show:
Plants in pool coated with travertine, Mammoth Hot Springs, Yellowstone, WY (1979)
The Douglas Campbell Show:
Boiling spring, Norris Geyser Basin, Yellowstone, WY (1979)
The Douglas Campbell Show:
Hot spring, Norris Geyser Basin, Yellowstone, WY (1979)
