Mapping Coasts

How do captains guide their ships safely to harbors? How do meteorologists track powerful storms that threaten coastal towns? What helps scientists and researchers record places with the swiftest currents, the biggest reefs, and the largest oil reserves?
The answer to these questions-and many more-is maps! Explore the fascinating and fragile world of our coasts, and learn fi rsthand how maps play an important part in helping us understand and protect them.