Bison and Grand Prismatic
Bruce Gourley
Yellowstone's Lower Falls and Nearby Seasonal Waterfall
Bruce Gourley
Yellowstone Lake Winter Shoreline View
Bruce Gourley
Lone Tree Yellowstone Lake Black and White
Bruce Gourley
Lone Tree Yellowstone Lake
Bruce Gourley
Frank Island in Yellowstone Lake Black and White
Bruce Gourley
Buffalo Swimming Across the Madison River
Bruce Gourley
You Can Do This
Bruce Gourley
Spring Grizzly Bear in Yellowstone National Park
Bruce Gourley
Spring Grizzly Bear in Yellowstone National Park 02
Bruce Gourley
Watching Yellowstone's Beehive Geyser
Bruce Gourley
Old Faithful Geyser Reflections
Bruce Gourley
Old Faithful Inn Reflection
Bruce Gourley
The Splendor of Morning Glory
Bruce Gourley
White Cone Geyser Black and White
Bruce Gourley
Yellowstone National Park's Red Spouter
Bruce Gourley
Grand Prismatic Spring Runoff at Sunset
Bruce Gourley
Grand Prismatic Spring Sunset in Yellowstone
Bruce Gourley
Grand Prismatic Spring Sunset Reflections
Bruce Gourley
Grand Prismatic Spring at Sunset
Bruce Gourley
A Winter Landscape at Yellowstone's Old Faithful Inn
Bruce Gourley
Ghostly Mammoth Terrace in Yellowstone
Bruce Gourley
Snuggling Bison and Calf in Yellowstone
Bruce Gourley
Snow Art and Yellowstone's Lower Falls
Bruce Gourley
Yellowstone's Divide Lake and Lodgepole Saplings
Bruce Gourley
Yellowstone's Divide Lake and Reflections in Deep Winter
Bruce Gourley
Yellowstone's Divide Lake in Deep Winter
Bruce Gourley
Lamar Valley Winter in Yellowstone
Bruce Gourley
Clinging to Life
Bruce Gourley
Yellowstone Bull Elk in Autumn Grasses
Bruce Gourley
Elk Family in a Yellowstone Autumn
Bruce Gourley
Yellowstone Steam 03
Bruce Gourley
Yellowstone Steam 02 Black and White
Bruce Gourley
Yellowstone Steam 02
Bruce Gourley
Yellowstone Steam
Bruce Gourley
Dunraven Pass Sunset
Bruce Gourley
Backward Flower
Bruce Gourley
Lichen Kaledioscope
Bruce Gourley
Peeking Lilly Flower
Bruce Gourley
Glorious Autumn Colors in Yellowstone National Park
Bruce Gourley
Sunrise of Orange Over Yellowstone Lake
Bruce Gourley
Flocks Above and Below on Yellowstone Lake
Bruce Gourley
Spring Grizzly Bear in Yellowstone National Park 03
Bruce Gourley
Early Morning Yellowstone Lake Vignetting
Bruce Gourley
Waves of Grasses and Flowers in Yellowstone
Bruce Gourley
Yellowstone Cattails 02
Bruce Gourley
Yellowstone Cattails
Bruce Gourley
Abandoned Yellowstone Lake Marina Building
Bruce Gourley
Yellowstone's Roosevelt Arch at Sunset
Bruce Gourley
Spawning Yellowstone Cutthroat Trout
Bruce Gourley
Indian Paintbrush Close Up
Bruce Gourley
Indian Paintbrush Yellowstone National Park
Bruce Gourley
Trout Lake Wildflowers 03
Bruce Gourley
Trout Lake Wildflowers 02
Bruce Gourley
Trout Lake Wildflowers
Bruce Gourley
Abyss Pool in Yellowstone National Park 02
Bruce Gourley
Abyss Pool in Yellowstone National Park
Bruce Gourley
Grand Prismatic Spring for the Birds
Bruce Gourley
Wandering and Wondering at Grand Prismatic Spring 02
Bruce Gourley
Wandering and Wondering at Grand Prismatic Spring
Bruce Gourley
Grand Prismatic Spring Reflections
Bruce Gourley
Grand Prismatic Spring Landscape
Bruce Gourley
Old Faithful Inn on Foggy Morning
Bruce Gourley
A Corner of Morning Glory
Bruce Gourley
A Most Beautiful Hot Pool
Bruce Gourley
Reflecting Amid Bacteria Mat
Bruce Gourley
Thermal Vortex
Bruce Gourley
Early Spring Grizzly on the Prowl
Bruce Gourley
Lamar Valley Black and White
Bruce Gourley
Winter Snack in Yellowstone
Bruce Gourley