SECTION VI.. State the General Advantages of Geological Changes.

State the general advantages of geological changes.

By what changes have the coal-beds and other stratified rocks become accessible?

What advantage from these elevating forces in reference to the granitic rocks?

How do these changes affect our means of knowing the structure of the earth?

Explain the origin of springs, wells, and artesian wells?

By what changes have the metallic ores become accessible?

In what light, then, are we to regard disturbances of geological structure?