Powter, C, Kotelko, O, Anderson, B, Brand, D & DiMarzo, L 2011, 'Alberta’s mine financial security programme', in AB Fourie, M Tibbett & A Beersing (eds), Mine Closure 2011: Proceedings of the Sixth International Conference on Mine Closure, Australian Centre for Geomechanics, Perth, pp. 107-115, https://doi.org/10.36487/ACG_rep/1152_78_Powter
(https://papers.acg.uwa.edu.au/p/1152_78_Powter/)