
 |
 |
 |
 |
offers 40 online booklets on geology-related topics: acid rain, birth of mountains, building stones of our nation's capital, changing continents, collecting rocks, deserts, earth's interior, earthquakes, fossils, gemstones, geologic history of Cape Cod, geologic time, glaciers, gold, the Ice Age, San Andreas fault, and volcanoes. (U.S. Geological Survey)
 |
 |
 |
 |
 |
 |
The Southern Appalachian Mountains include the Great Smoky Mountains National Park, the Blue Ridge Parkway, several National Forests, and numerous State and privately owned parks and recreation areas. The region is known worldwide for its great beauty and biological diversity. Why does this area have such beautiful scenery and a diversity of plants and animals that is greater than in all of Northern Europe? |
 |
 |
 |
 |
 |
|
 

Eruption of Kilauea Volcano |
 |