National Petroleum Reserve

The National Petroleum Reserve-Alaska (or NPR-A) is a monstrous 23 million-acre region located north of the Brooks Range. It was initially set aside by President Harding as an emergency oil supply for the U.S. Navy. It is a land rich in wildlife and serves as a critical habitat for the Western Arctic caribou herd.

Peregrine falcon, Etivluk River, NPR-A
Etivluk River, NPR-A
Geologic folds, Etivluk River
Geological folds, Etivluk River, NPR-A
Geological folds, Etivluk River, NPR-A
Mountain aven and Etivluk River
Mountain aven and Etivluk River
Mountain aven wildflowers, Etivluk River
Landscape, NPR-A
Evening tent camp, NPR-A
View from tent, NPR-A
View from tent, NPR-A
Landscape along the Etivluk River, NPR-A
Landscape along the Etivluk River, NPR-A
Landscape along the Etivluk River, NPR-A
Landscape along the Etivluk River, NPR-A
Landscape along the Etivluk River, NPR-A
Landscape along the Etivluk River, NPR-A
Landscape along the Etivluk River, NPR-A
Landscape along the Etivluk River, NPR-A
Gyrfalcon nest with chicks
Gyrfalcon nest with chicks, NPR-A
Gyrfalcon nest with chicks
Etivluk River landscape, NPR-A
Etivluk River landscape, NPR-A
Etivluk River Naitonal Petroleum Reserve Alaska
Rough legged hawk, NPR-A
Etivluk River landscape, NPR-A
Etivluk River landscape, NPR-A
Hiker along the Etivluk River NPR-A
Hiker along the Etivluk River NPR-A
Hiker along the Etivluk River NPR-A
Etivluk River landscape, NPR-A
Chert rocks from Nigu River, NPR-A
Coyote Air lands plane on gravel bar
Aerial of the Colville River, NPR-A
Creek draining into the Colville, NPR-A
Kucher Creek, NPR-A
Kucher Creek, NPR-A
Kucher Creek, NPR-A
Aerial of polygons on the tundra, NPR-A
Aerial of polygons on the tundra, NPR-A
Aerial of polygons on the tundra, NPR-A
Aerial of Outwash creek
Creek draining into the Colville
Creek draining into the Colville
Creek draining into the Colville
Creek draining into the Colville
Creek draining into the Colville
Aerial of the Brooks Range mountains