The mid-Atlantic area of Maryland, Delaware, and Washington, D.C. is known many things, such as being the First State (Delaware), home to our nation�s capital or the birthplace of our national anthem (Maryland), but it is also the home of some incredible geologic features. From the Chesapeake Bay to Assateague Island National Seashore to Catoctin Mountain Park, readers will learn about a diverse array of rocks and landforms assembled during...