After the failure of the deep lead gold boom of the 1870s George returned to the Lithgow valley and established a construction business with Thomas Crowe.
He also built Cooerwull Academy for Brown, and the St John the Evangelist Church at Wallerawang.
[1] Donald was extremely active in community affairs and had a great sense of social justice.
He held the seat of Hartley in the New South Wales Legislative Assembly jointly with Joseph Cook from 1891.
[3] This Wikipedia article contains material from Marrangaroo railway viaduct, entry number 01046 in the New South Wales State Heritage Register published by the State of New South Wales (Department of Planning and Environment) 2018 under CC-BY 4.0 licence, accessed on 8 April 2020.