Assertion: short hole mining | /r/ObjectUse | used in irregular ore zones
Facets:
Source sentences:
text: Cut and fill mining is a method of short-hole mining used in steeply dipping or irregular ore zones, in particular where the hanging wall limits the use of long-hole methods.
text: mining is a method of short-hole mining used in steeply dipping or irregular ore zones, in particular where the hanging wall limits the use of long-hole methods.