title: Discussion of papers: estimation of the height of complete groundwater drainage above mined longwall panels.
authors.affiliation: Mackie Environmental Research, 193 Plateau Rd., Bilgola, NSW 2107, Australia. cdm.technical@meresearch.com.au.
authors.forename: C
authors.initials: C
authors.lastname: Mackie
mesh_terms: D060587:Groundwater; D008906:Mining