'The Alps are an example of the fold type of these; the Tetons are the fault-block type'
mountains
THE EARTH: The Alps are an example of the fold type of these; the Tetons are the fault-block type
The Alps are an example of the fold type of these; the Tetons are the fault-block type
The Alps are an example of the fold type of these; the Tetons are the fault-block type
THE EARTH
mountains
THE EARTH