Assertion: mountaintop removal mining | /r/CapableOf | involve topographical alteration
Facets:
value: to access buried coal seams
type: PURPOSE
Source sentences:
text: Mountaintop removal mining (MTR), also known as mountaintop mining (MTM), is a form of surface mining that involves the topographical alteration and/or removal of a summit, hill, or ridge to access buried coal seams.