On an early morning, under low clouds illuminated by the rising sun, the Atigun River in Alaska's North Slope flows north from Atigun Pass in the Brooks Range through the Atigun Gorge to converge with the Sagavanirktok River. The Dalton Highway and Trans-Alaskan Pipeline follow its course. 28-70mm @70mm; f/11 @ 1/200 sec, ISO 400; Auto exposure, AV mode; Centerweighted-average metering; Auto WB