It means removing rock.
corrosion
abrasion.
Wind.
It is removal of parts of the middle ear and insertion of prosthesis parts
Erosion.
erosion
Amputation
Erosion, probably.
Only deposits: sediments and calcite. A cave represents removal of rock, not its making.
It is known as erosion. (What is the meaning of 7?)
Stone removal companies depend on your location. I suggest checking out servicemagic.com , a rock removal company, or http://www.manta.com/mb_35_E02750B7_000/rock_removal depending on your location.