Mountaintop Removal: The Pros and Cons You Should Know About If you live in the United States and/or are familiar with modern mining methods, you've probably heard about mountaintop removal mining. MTR, as it's commonly called, is the process of removing the land on the summit of a mountain to get to the coal seams underneath. When using this method, coal companies first clear trees and vegetation from the mountain. Once this is done, they use millions of pounds of explosives to remove 400 to 600