857-36101 - Dave and Angelina (jumping in) Wolf in Elves Chasm which is a tributary canyon area to the Colorado river which rafters hike up during river trips, Grand Canyon, Arizona.
857-13122 - Runners cross a river in the hardrock 100. Billed as the toughest running race in America by many, the Hardrock 100 covers 100 miles and includes climbing a total of nearly 30,000 feet (equivilent to climbing Everest). The race begins and ends in Silverton, Colorado and climbs several 13,000 foot passes and one 14,000 foot summit.
857-6001 - The jet tubes on Glen Canyon Dam the day they were opened for the controlled flood of 45,000 cfs on the Colorado River. Acting Facility Manager Dick White checks the jet tubes.
764-2272 - Blue columbine (Aquilegia coerulea) in a meadow, Maroon Bells-Snowmass Wilderness, White River National Forest, Colorado, United States of America, North America
764-2274 - Blue Columbine (Aquilegia coerulea), Maroon Bells-Snomass Wilderness, White River National Forest, Colorado, United States of America, North America
764-2016 - Yellow-bellied marmot (yellowbelly marmot) (Marmota flaviventris), Camp Hale, White River National Forest, Colorado, United States of America, North America
764-2015 - Richardson Ground Squirrel (Citellus richardsoni) eating, Camp Hale, White River National Forest, Colorado, United States of America, North America
802-122 - The Colorado River makes a huge S-bend under Deadhorse Point, a famous viewpoint across Canyonlands National Park, near Moab, Utah, United States of America, North America
764-1218 - Maroon Bells with fall colors during a clearing storm in the evening, White River National Forest, Colorado, United States of America, North America
733-1945 - Plateau and canyon country rising 2000 feet above the Grand Valley of the Colorado River and part of the Great Colorado Plateau, Colorado National Monument, Colorado, United States of America, North America
733-2048 - Winding mountain road in plateau and canyon country rising 2000 feet above the Grand Valley of the Colorado River, part of the Great Colorado Plateau, Colorado National Monument, Colorado, United States of America, North America
733-2046 - Plateau and canyon country rising 2000 feet above the Grand Valley of the Colorado River, part of the Great Colorado Plateau, Colorado National Monument, Colorado, United States of America, North America
733-2045 - Plateau and canyon country rising 2000 feet above the Grand Valley of the Colorado River, part of the Great Colorado Plateau, Colorado National Monument, Colorado, United States of America, North America
733-2042 - Plateau and canyon country rising 2000 feet above the Grand Valley of the Colorado River, part of the Great Colorado Plateau, Colorado National Monument, Colorado, United States of America, North America
733-2041 - Plateau and canyon country rising 2000 feet above the Grand Valley of the Colorado River, part of the Great Colorado Plateau, Colorado National Monument, Colorado, United States of America, North America
136-887 - The deep gorge of the Colorado River on the west rim of the Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America
29-2252 - Glen Canyon Dam, concrete arch 180m high, 475m long, retaining Lake Powell on the Colorado River, Arizona, United States of America, North America
136-889 - Vulcan's Throne, the west rim, above the Colorado River, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America (USA), North America