Assertion: adit | /r/CapableOf | enter the footwall
Facets:
value: at the 6500 level
type: TEMPORAL
Source sentences:
text: The CTS TBM began boring in August 1998, driving the first adit which will penetrate the reef and enter the footwall at the 6500 level (measured in feet above sea level, that is 1,981 m).