Dendrobium mine battle continues with John Barilaro, Gladys Berejiklian at odds over next step MonMonday 15 FebFebruary 2021 at 6:29am NSW Deputy Premier John Barilaro wants the Government to explore ways to overturn the Independent Planning Commission's ruling against expanding of the Dendrobium mine. ( Share Print text only Cancel NSW Premier Gladys Berejiklian is not offering support to her deputy's attempts to overturn the Independent Planning Commission's rejection of a major mine expansion under the Sydney water catchment. Key points: NSW Deputy Premier John Barilaro is campaigning to overturn the rejection of a major mine expansion Premier Gladys Berejiklian backs the IPC and says the miner can resubmit its plans if it wants