Waterfall, Grand Tetons National Park, August 1992

Mammoth Hot Springs, Yellowstone National Park, August 1992

Hayden Valley, Yellowstone National Park, August 1992

Lamar Valley, Yellowstone National Park, August 1992

Grand Canyon of the Yellowstone, Yellowstone National Park, August 1992

Grand Canyon of the Yellowstone, Yellowstone National Park, August 1992

Lower Yellowstone Falls, Yellowstone National Park, August 1992

Grand Canyon of the Yellowstone, Yellowstone National Park, August 1992

Traffic Jam, Yellowstone National Park, August 1992