In some areas of northern Alaska, this plant provides 95% of the winter food for moose.

In northern Alaska, this may be the only source of fuel wood.

In northern Alaska, some people tear off their clothes and plunge naked into the ocean when the temperature finally rises above freezing.

In northern Alaska, the melt-date has advanced by 8 days since the mid-1960s.

Evidence from other portions of northern Alaska indicates that people lived in the area as early as 11,000 years before the present.

Soon he was over northern Alaska once again, heading for home.

The 31-year-old walked and canoed across northern Alaska, 150 to 250 miles at a clip.

The correlation leapt off the page: from 1975 to 1995, snow was melting in northern Alaska, on average, five days earlier each decade.

In 1964, at age 20, he made a 3,000-mile kayak trip from southern Alberta to northern Alaska.

Provided for the air defense of northern Alaska and supervised base operations at major and minor installations in that area.