Farquharson is credited with implementing Inco's "room-and-pillar" mining technique, which enhanced the efficiency and safety of underground operations.
He was actively involved in supporting education and community development and donated significant time and resources to a variety of charitable causes.
He was also a major donor to educational institutions and scholarship funds, with a particular focus on supporting students pursuing careers in the mining industry.
Farquharson's philanthropic work shows a deep understanding of the importance of education and the role it plays in the sustainable development of communities.
His contributions have had a positive impact on education and community development in Canada and his legacy continues to be felt through the work of the organizations and initiatives he supported.