The remarkably clear image on a 4×6-inch glass plate negative would join 7,000 other photo plates to make a zigzag summit-to-summit map of the international border shared by Alaska and British ...

Alaska's massive and varied terrain has now been mapped in unprecedented detail. Sections. Alaska News Politics Opinions Sports Talk to us Opens in new window. Get our free newsletters.

In our NewsHour Shares moment of the day, the U.S. Geological Survey released its first-ever digital map of Alaska, ... The 20-year effort to draw a map unearthing Alaska’s treasures ...

While the U.S. Geological Survey is constantly refining its work in the lower 48 states, the terrain data in Alaska is more than 50 years old, much of it hand-sketched from black-and-white stereo ...

A NASA mission to study Alaska's unique terrain is providing scientists with their first detailed look at the changing topography of one of Earth's most active volcanic regions.