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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
Con derechos protegidos
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View of the Trans Alaska Pipeline winding its way away from the Dalton Highway into the Brooks Range north of Sukapak Mountain, Arctic Alaska, Fall, HDR
Con derechos protegidos
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Aerial of the rugged Philip Smith Mountains portion of the Brooks Range in ANWR, Arctic Alaska, Summer, HDR
Con derechos protegidos
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Backcountry skier hikes up the Katak Creek valley with pack and skis, Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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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
Con derechos protegidos
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Western Arctic Caribou herd migrating north in spring through Delong Mountains Brooks Range Western Alaska
Con derechos protegidos
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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
Con derechos protegidos
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Backpacker eats snacks at base camp along the Hulahula River, Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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A meadow of Wild Sweet Pea (Hedysarum mackenzii) beside the Kongakut river
Con derechos protegidos
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Scenic view overlooking Katak Creek with wildflowers in the foreground, Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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Backpacker next to a creek in the Katak Creek valley hiking to Mt. Chamberlin ski descent, Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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Backcountry skier hikes with pack and skis above the Hulahula River, Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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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
Con derechos protegidos
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Aerial scenic of Boreal Mountain and Frigid Crags flanking the North Fork of the Koyukuk River in the Brooks Range, Gates of the Arctic National Park & Preserve, Arctic Alaska, Summer
Con derechos protegidos
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View of the Trans Alaska Pipeline winding its way away from the Dalton Highway into the Brooks Range north of Sukapak Mountain, Arctic Alaska, Fall, HDR
Con derechos protegidos
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View overlooking Arctic Village with Brooks Range in the background, Arctic Alaska, Autumn
Con derechos protegidos
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Man makes final adjustments to an electric bear fence at camp along the Hulahula River, Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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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
Con derechos protegidos
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Backpacker prepares food at camp below Mt. Chamberlin, Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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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
Con derechos protegidos
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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
Con derechos protegidos
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Backpacker hiking through tundra tussock above the Hulahula River, Arctic National Wildlife Refuge, Brooks Range, summer in Arctic Alaska
Con derechos protegidos
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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
Con derechos protegidos
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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
Con derechos protegidos
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View from the sled while dog mushing up the North Fork of the Koyukuk River in Gates of the Arctic National Park & Preserve.
Con derechos protegidos
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Backpacker climbs the West Ridge of Mt. Chamberlin in the Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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Backpacker prepares food base camp along the Hulahula River, Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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Panorama Of Rafters Camping Off Noatak River In The Brooks Range, Gates Of The Arctic National Park, Northwestern Alaska, Above The Arctic Circle, Arctic Alaska, Summer.
Con derechos protegidos
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An Aerial View Of The Green Waters Of The Braided Upper Sheenjek River Which Flows South From Alaska's Brooks Range In The Arctic National Wildlife Refuge;Alaska United States Of America
Con derechos protegidos
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Backcountry skier makes an early morning ascent of the north side of Mt. Chamberlin, Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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Backpacker fills pan with water from a creek at an alpine camp below Mt. Chamberlin, Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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An Aerial View Of The Green Waters Of The Braided Upper Sheenjek River Which Flows South From Alaska's Brooks Range In The Arctic National Wildlife Refuge;Alaska United States Of America
Con derechos protegidos
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Panorama Of Noatak River In The Brooks Range, Gates Of The Arctic National Park, Northwestern Alaska, Above The Arctic Circle, Arctic Alaska, Summer.
Con derechos protegidos
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Morning aerial view of the Brooks Range in Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
Con derechos protegidos
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Musher's perspective while mushing down the North Fork of the Koyukuk River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
Con derechos protegidos
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View of the Porcupine Caribou herd crossing the Hulahula River near Old Man Creek during their annual migration through ANWR, Arctic Alaska, Summer
Con derechos protegidos
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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
Con derechos protegidos
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Hardy arctic wildflowers grow only a few inches high in order to reduce exposure to the moisture-robbing winds, Arctic National Wildlife Refuge.
Con derechos protegidos
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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
Con derechos protegidos
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Skier measures the surface elevation of the Katak Glacier with a survey grade GPS for a climate change/global warming study on Mount Chamberlin, Brooks Range, Arctic National Wildlife Refuge, Summer in Actic Alaska
Con derechos protegidos
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Aerial view of a Piper Super Cub airplane flying over a herd of caribou on a ridgeline in the Romanzof Mountains, Brooks Range, Arctic National Wildlife Refuge, Arctic Alaska, Summer
Con derechos protegidos
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Backcountry skier makes an early morning ascent of the north side of Mt. Chamberlin, Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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Backcountry skier makes an early morning ascent of the north side of Mt. Chamberlin, Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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Aerial view of a Piper Super Cub airplane flying over the Jago River and tundra of the coastal plain in ANWR with the Romanzof Mountains in the background, Arctic Alaska, Summer
Con derechos protegidos
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Aerial view of a Piper Super Cub airplane flying over the Jago River and tundra of the coastal plain in ANWR with the Romanzof Mountains in the background, Arctic Alaska, Summer
Con derechos protegidos
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View overlooking homes of Arctic Village along the Chandalar River with Brooks Range in the background, Arctic Alaska, Autumn
Con derechos protegidos
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Musher's perspective while mushing back to base camp on the North Fork of the Koyukuk River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
Con derechos protegidos
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View of the Porcupine Caribou herd climbing a steep bank after swimming across the Hulahula River during their annual migration in ANWR, Arctic Alaska, Summer
Con derechos protegidos
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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
Con derechos protegidos
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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
Con derechos protegidos
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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
Con derechos protegidos
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Western Arctic Caribou herd migrating north near Cape Lisburne Brooks Range Alaska Spring
Con derechos protegidos
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Porcupine Caribou herd crossing Turner River Arctic National Wildlife Refuge Arctic AK Summer
Con derechos protegidos
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A musher takes his team up the North Fork of the Koyukuk River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
Con derechos protegidos
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Trans-Alaska Pipeline stretching across tundra along Dalton Highway Brooks Range Arctic Alaska Summer
Con derechos protegidos
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Close up of a backcountry skier on the glacier on the north side of Mt. Chamberlin, Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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Alpenglow on Boreal Mountain reflects on overflow ice on the North Fork of the Koyukuk River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
Con derechos protegidos
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Ishivak Pass in Baird Mtns Noatak National Preserve AK AR Winter
Con derechos protegidos
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Morning aerial view of the Alatna River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
Con derechos protegidos
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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
Con derechos protegidos
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Aerial view of a Piper Super Cub airplane flying over the Jago River and tundra of the coastal plain in ANWR with the Romanzof Mountains in the background, Arctic Alaska, Summer
Con derechos protegidos
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Aerial scenic of Boreal Mountain and Frigid Crags flanking the North Fork of the Koyukuk River in the Brooks Range, Gates of the Arctic National Park & Preserve, Arctic Alaska, Summer
Con derechos protegidos
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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
Con derechos protegidos
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Backpacker climbs the West Ridge of Mt. Chamberlin in the Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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Woman photographs the Hulahula River near its source in the Brooks Range in ANWR, Arctic Alaska, Summer
Con derechos protegidos
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Aerial view of the Okpilak River in the coastal plain of the Arctic National Wildlife Refuge, Arctic Alaska, Summer
Con derechos protegidos
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Backpacker approaches the summit of Mt. Chamberlin in the Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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View of green Aurora Borealis over the Noatak River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Fall
Con derechos protegidos
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View of the Porcupine Caribou herd heading up the bank from a gravel bar by Hulahula River in ANWR, Arctic Alaska, Summer
Con derechos protegidos
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Rafters On Noatak River In The Brooks Range, Gates Of The Arctic National Park, Northwestern Alaska, Above The Arctic Circle, Arctic Alaska, Summer.
Con derechos protegidos
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Backcountry skier hikes with pack and skis up the Katak Creek valley, Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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A double rainbow forms on a summer evening over the Hulahula River at Grasser's Strip in Alaska's Arctic National Wildlife Refuge, Arctic Alaska, Summer
Con derechos protegidos
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Aerial view of a small lake in the coastal plain of the Arctic National Wildlife Refuge, Arctic Alaska, Summer
Con derechos protegidos
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Morning aerial view of Arrigetch Peaks in the Brooks Range,Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
Con derechos protegidos
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Rainbow over Trans-Alaska Pipeline Arctic Alaska Summer Composite
Con derechos protegidos
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Backpacker climbs the West Ridge of Mt. Chamberlin in the Brooks Range, ANWR, Arctic Alaska, Summer
Con derechos protegidos
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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
Con derechos protegidos
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Musher's perspective while mushing down the North Fork of the Koyukuk River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
Con derechos protegidos
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Morning aerial view of the Brooks Range in Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
Con derechos protegidos
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Musher's perspective while mushing back to base camp on the North Fork of the Koyukuk River in Gates of the Arctic National Park & Preserve, Arctic Alaska, Winter
Con derechos protegidos
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An Aviat Aircraft Husky A-1B rests on a gravel bar along the North Fork of the Koyukuk River with Frigid Crags looming in the background, Gates of the Arctic National Park & Preserve, Arctic Alaska, Summer
Con derechos protegidos
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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
Con derechos protegidos
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View from the sled while dog mushing up the North Fork of the Koyukuk River in Gates of the Arctic National Park & Preserve.
Con derechos protegidos
