Do you know main mountains and rivers in USA?

This game will help you to learn the topographic map with puzzle way.
In puzzle game,touch one mountain,river or others will display the full name and read the name.You need to drag it to its correct position . When you finish ,you will see a smile face.
Map introduce part will give a preview about these. We suggest you may first review this part ,and then start your puzzle.

Thanks for your attention and welcome to give us any suggestion.