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Aerial view of the John River winding its way through the Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Aerial view of the Alatna River, a National Wild and Scenic River, winding its way through the Brooks Range in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Aerial view of the Middle Fork of the Koyukuk River running parallel to the Trans Alaska Pipeline and Dalton Highway near the eastern edge of Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Aerial view of the Kobuk River winding through Endicott Mountains in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Aerial view of Walker Lake and the Kobuk River winding away from Mount Igikpak in the Schwatka Mountains of the Brooks Range, Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Aerial view of Walker Lake and the Kobuk River winding away from Mount Igikpak in the Schwatka Mountains of the Brooks Range, Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Aerial view of the beginning of a morning storm over the Brooks Range in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Aerial view of a stream meandering through the foothills of the Brooks Range, Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Aerial view of the North Fork of the Koyukuk River winding through Endicott Mountains and the Brooks Range in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Aerial view of evening light refelecting in Walker Lake and Kobuk River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Aerial photo of North Fork Koyukuk River winding away from Frigid Crags and Boreal Mountain, also known as the "Gates of the Arctic," in Gates of the Arctic National Park & Preserve, Arctic Alaska, Summer
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Aerial view of morning light illuminating one of the Gates of the Arctic, Boreal Mountain in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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A set of caribou antlers rests alongside the headwaters for the Alatna River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Aerial view of the Talachulitna River winding its way through lowlands below the Tordrillo Mountains, Southcentral Alaska, Fall
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Rock and alpine tundra near the Alatna River headwaters in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Aerial view of wetlands across Cook Inlet from Anchorage near the Tordrillo Mountains, Southcentral Alaska, Fall
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Aerial view of Mt.Igikpak (right), the highest peak in the Schwatka Mountains, Brooks Range, Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Low angle view of a sandy gravel bar along the Noatak River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Panoramic view of the upper Alatna River in the Brooks Range of Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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View of colorful bearberry creeping across tundra near the headwaters of Alatna River in Gates of the Arctic National Park & Preserve, Brooks Range, Arctic Alaska, Fall
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Aerial view of turquoise high alpine lakes in the Arrigetch Peaks of Endicott Mountains, Brooks Range, Gates of the Arctic National Park & Preserve, Arctic Alaska, Summer
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Aerial view of a rock glacier filling a mountain bowl in the Brooks Range near the Itkillik Valley in Gates of the Arctic National Park & Preserve, Arctic Alaska, Summer
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Aerial view of fog rolling over the northern edge of the Brooks Range in Gates of the Arctic National Park & Preserve, Arctic Alaska, Summer
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Aerial view of fog rolling over the northern edge of the Brooks Range in Gates of the Arctic National Park & Preserve, Arctic Alaska, Summer
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Aerial view of Boreal Mountain summit dusted with fresh snow in Gates of the Arctic National Park and Preserve, Arctic Alaska, Summer
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A group of cow and calf caribou migrate through Gates of the Arctic National Park & Preserve in the area near the Alatna River headwaters, Arctic Alaska, Fall
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Morning aerial view of the Alatna River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
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Backpacker eats snacks at base camp along the Hulahula River, Brooks Range, ANWR, Arctic Alaska, Summer
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A woman relaxes next to her tent in Peters Hills with a view of Mt. McKinley in the background, Denali State Park, Southcentral Alaska, Fall
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Aerial view of wetlands across Cook Inlet from Anchorage near the Tordrillo Mountains, Southcentral Alaska, Fall
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Aerial view of Mt.Igikpak (right) of the Schwatka Mountains and Brooks Range, the highest peak in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Aerial view of Mt.Igikpak (right) of the Schwatka Mountains and Brooks Range, the highest peak in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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A rock glacier spills out from cloud covered mountains of the Brooks Range in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Aerial view of morning light shining through a rain storm in the Brooks Range, Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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View of North Fork Koyukuk River flowing over a rocky gravel bar with Frigid Crags in the background, Gates of the Arctic National Park & Preserve, Arctic Alaska, Summer
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Scenic view overlooking Drain Creek Airstrip (popular put-in for rafters)on the Kongakut River, ANWR, Arctic Alaska, Summer
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A group of bull caribou migrate through Gates of the Arctic National Park & Preserve in the area near the Alatna River headwaters, Arctic Alaska, Fall
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Caribou migrate through Gates of the Arctic National Park & Preserve near the Alatna River headwaters, Arctic Alaska, Fall
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Aerial of the rugged Philip Smith Mountains portion of the Brooks Range in ANWR, Arctic Alaska, Summer, HDR
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Backpacker approaches the summit of Mt. Chamberlin in the Brooks Range, ANWR, Arctic Alaska, Summer
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Backpacker looks over the scene below as he climbs the West Ridge of Mt. Chamberlin in the Brooks Range, ANWR, Arctic Alaska, Summer
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Backpacker climbs the West Ridge of Mt. Chamberlin in the Brooks Range, ANWR, Arctic Alaska, Summer
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Backpacker climbs the West Ridge of Mt. Chamberlin in the Brooks Range, ANWR, Arctic Alaska, Summer
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Backpacker climbs the West Ridge of Mt. Chamberlin in the Brooks Range, ANWR, Arctic Alaska, Summer
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Backpacker prepares food base camp along the Hulahula River, Brooks Range, ANWR, Arctic Alaska, Summer
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A woman talks on her cell phone and takes a picture of Mt. McKinley while relaxing by her tent in Peters Hills, Denali State Park, Southcentral Alaska, Fall/n
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A woman talks on her cell phone and takes a picture of Mt. McKinley while relaxing by her tent in Peters Hills, Denali State Park, Southcentral Alaska, Fall/n
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A couple relaxes next to their tent in Peters Hills with a view of Mt. McKinley in the background, Denali State Park, Southcentral Alaska, Fall/n
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A couple relaxes next to their tent in Peters Hills with a view of Mt. McKinley in the background, Denali State Park, Southcentral Alaska, Fall/n
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A couple relaxes next to their tent in Peters Hills with a view of Mt. McKinley in the background, Denali State Park, Southcentral Alaska, Fall/n
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View of a man backpacking in Peters Hills with Mt. McKinley in the background, Denali State Park, Southcentral Alaska, Fall/n
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Woman at her campsite with the south summit of Mt. McKinley in the background, Peters Hills, Denali State Park, Southcentral Alaska, Fall/n
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A man and woman sitting by their tent in Peters Hills with Mt. McKinley in the background, Denali State Park, Southcentral Alaska, Fall/n
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Woman talking on her cell phone while camping with the south summit of Mt. McKinley in the background, Peters Hills, Denali State Park, Southcentral Alaska, Fall/n
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Woman talking on her cell phone while camping with the south summit of Mt. McKinley in the background, Peters Hills, Denali State Park, Southcentral Alaska, Fall/n
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Woman talking on her cell phone while camping with the south summit of Mt. McKinley in the background, Peters Hills, Denali State Park, Southcentral Alaska, Fall/n
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A mother and her two sons view the south summit of Mt. McKinley from their campsite in Peters Hills, Denali State Park, Southcentral Alaska, Fall/n
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A mother and her two sons view the south summit of Mt. McKinley from their campsite in Peters Hills, Denali State Park, Southcentral Alaska, Fall/n
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Panoramic view of the northern Brooks Range near the headwaters of the Nigu, Killik and Alatna Rivers in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Scenic view overlooking the upper Kongakut River and valley with aufeis sheets of ice frozen in the middle of Summer, ANWR, Arctic Alaska
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Senior male hiker resting on a rock outcrop enjoying the scenic view of tundra at Caribou Pass, ANWR, Arctic Alaska, Summer
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Woman photographing the tundra and scenery along the Kongakut River, ANWR, Arctic Alaska, Summer
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Woman photographing the tundra and scenery along the Kongakut River, ANWR, Arctic Alaska, Summer
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A pair of bull caribou wander the open landscape near Savage River in Denali National Park and Preserve, Interior Alaska, Summer
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Morning aerial view of Arrigetch Peaks in the Brooks Range,Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
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Morning aerial view of Arrigetch Peaks in the Brooks Range,Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
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Morning aerial view of the Brooks Range in Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
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Morning aerial view of the Brooks Range in Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
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Backpacker sits inside a tent and waits out inclement weather at an alpine camp below Mt. Chamberln, Brooks Range, ANWR, Arctic Alaska, Summer
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Backpacker reads a book inside a tent and waits out inclement weather at an alpine camp below Mt. Chamberln, Brooks Range, ANWR, Arctic Alaska, Summer
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Backpacker climbs the West Ridge of Mt. Chamberlin in the Brooks Range, ANWR, Arctic Alaska, Summer
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Backpacker prepares food at camp below Mt. Chamberlin, Brooks Range, ANWR, Arctic Alaska, Summer
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View overlooking homes of Arctic Village along the Chandalar River with Brooks Range in the background, Arctic Alaska, Autumn
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View of green Aurora Borealis over the Noatak River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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View of green Aurora Borealis over the Noatak River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Low angle view of a shallow creek near the Noatak River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
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Massive granite peaks rise above the Alatna River in Gates of the Arctic National Park & Preserve, Brooks Range, Arctic Alaska, Fall
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Aerial view of blue sky reflecting in the clear waters of Wild Lake, north of Bettles, Arctic Alaska, Summer
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Aerial view of striated peaks in the Brooks Range near Oolah Pass, Gates of the Arctic National Park & Preserve, Arctic Alaska, Summer
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Aerial view of the Maidens in the Arrigetch Peaks of Gates of the Arctic National Park & Preserve, Arctic Alaska, Summer
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A rocky crag covered with lichen and wildflowers overlooks the Kongakut River and tundra at Caribou Pass, ANWR, Arctic Alaska, Summer
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Bald Eagle soars above fog in the Tongass National Forest with the Coast Mountains and Mendenhall Glacier in the background, Southeast Alaska, Winter, COMPOSITE
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Aerial view of a dog team musing on the North Fork of the Koyukuk River in Gates of the Arctic National Park & Preserve with Frigid Crags in the background, Arctic Alaska, Winter
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Aerial view of a dog team mushing on the North Fork of the Koyukuk River in Gates of the Arctic National Park & Preserve with Boreal Mountain in the background, Arctic Alaska, Winter
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National Park Ranger rests with his dog team on the North Fork of the Koyukuk River at sunset with the Gates of the Arctic in the background, Brooks Range, Arctic Alaska, Winter
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Scenic view of dog team mushing on the Matanuska River with Northern Lights overhead, Matanuska Susitna Valley, Southcentral Alaska, Winter. COMPOSITE
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Backpacker sits inside a tent and waits out inclement weather at an alpine camp below Mt. Chamberln, Brooks Range, ANWR, Arctic Alaska, Summer
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Backcountry skier hikes with pack and skis up the Katak Creek valley, Brooks Range, ANWR, Arctic Alaska, Summer
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Backcountry skier hikes with pack and skis above the Hulahula River, Brooks Range, ANWR, Arctic Alaska, Summer
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Female backpacker with a packraft hikes along the trail to the headwaters of Sanctuary River, Interior Alaska, Autumn
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