https://ujcontent.uj.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 Geological controls on no. 4 seam roof conditions at New Denmark Colliery, Highveld Coal Field, Karoo Basin, South Africa https://ujcontent.uj.ac.za/vital/access/manager/Repository/uj:14849 Thu 22 Aug 2019 23:57:04 SAST ]]> Lithostratigraphy, depositional environments and sedimentology of the Permian Vryheid Formation (Karoo Supergroup), Arnot North, Witbank Coalfield, South Africa https://ujcontent.uj.ac.za/vital/access/manager/Repository/uj:8338 Sat 16 Sep 2017 02:10:54 SAST ]]>