 |
 |
 |
 |
 |
 |
| |
|
|
|
|
|
| Bicycle tour United States. Fresh out of geology class, Neil pointed out natural formations en route. Here, rapidly cooled lava, looking like a Devil's woodpile for stoking the fiery kilns of Hell, shows polygonal five and six-sided joints in its igneous mass. |
|
|
Book Info
