Transportation Preserving Our Past Author:Duncan Searl Throughout our history, people have found better and faster means of transportation-ways to move people and goods from one place to another. In this book, you will learn how we preserve this special part of our history. So when you climb to the top of an old lighthouse, ride on a canal boat, visit an historic railroad site, or hike a beautiful o... more »ld highway, you are stepping into America's past!« less