Bad Maps and Thick Fog

In the early part of my sabbatical, I read a biography of Captain James Cook. He is famous for sailing the southern seas and mapping many of the islands of the south Pacific. He was also the first to map in excellent detail the coastline of Newfoundland in Canada . As Captain Cook ventured far south, even as far as the waters of the Antarctic, he faced incredible challenges that on more than one occasion almost brought him and his crew to ruin. They were going into areas not previously mapped. Even in areas that had been mapped, he soon discovered that previous cartographers had at times been dreadfully imprecise or altogether inaccurate. On other occasions, good map or bad, they would find themselves in dense fog which hindered their view of shores, reefs, and fellow ships. It's dreadfully hard to advance safely when you don't h...