Assertion: contour mining | /r/CapableOf | involve removing the overburden
Facets:
value: near the outcrop in hilly terrain
type: LOCATION
value: above the mineral seam
type: LOCATION
Source sentences:
text: "Contour mining" involves removing the overburden above the mineral seam near the outcrop in hilly terrain, where the mineral outcrop usually follows the contour of the land.