He crossed the icecap at a point farther north than the routes that have been discussed heretofore, but almost on the most direct or Great Circle route from Detroit to Copenhagen.
"The First Airplane Diesel Engine: Packard Model DR-980 of 1928"
Robert B. Meyer
In the telescopic screen Tanith looked like any picture of any Terra-type planet from space, with cloud-blurred contours of seas and continents and a vague mottling of gray and brown and green, topped at the pole by an icecap.
"Space Viking"
Henry Beam Piper
It was the planet's icecap, upside down.
"A Matter of Importance"
William Fitzgerald Jenkins