Maryland's Geology.

Did you ever wonder why there are rolling hills and valleys in the area around Baltimore, but the land on the Eastern Shore is mostly very flat? What about those tilted and bent layers of rock along the sides of roads in the mountains of Western Maryland -- how did they get that way?The answers to such questions can be found in this enlightening book. No advanced degree is required -- the author has explained all the basic principles of geology, and especially those that apply in Maryland, so that the layman will be able to grasp the information without special knowledge. Maryland's Geology includes a multitude of diagrams, and its maps will prove useful for those interested in a particular area.