Donald Sutherland was a Consulting Engineer and General Manager of The Commonwealth Oil Corporation Ltd mine and refinery at Newnes in 1906 at the time when the Wolgan Valley Railway was being constructed. The point of land refers to the cliff line above the railway, north of the Glowworm Tunnel and that overlooks the Wolgan Road and the property,Koopartoo , 7kms south of Newnes. Ref: Photo; Lithgow Library, titled, "Wolgan Point Sutherland from Zobels old camp." c1907.