Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Nahanni National Park' has mentioned 'Mining' in the following places:
Occurrence Sentence Text Source
In 1946 Calgary geologist and mining expert Frank M. W. Henderson returned from the valley reporting his partner Jack Patterson had disappeared.
Specifically, these include potential impacts from proposed mining developments near, but not within the World Heritage property.
Parks Canada continues to work closely with federal and territorial departments on permitting and monitoring for these proposed mining sites.
All mining activities will be subject to an Environmental Impact Assessment and if approved will be further subjected to the appropriate regulations to mitigate risks to the ecosystem.