HistoricalLooking back on RotowaroQuarry Mining MagNovember 27, 2020November 27, 2020 by Quarry Mining MagNovember 27, 2020November 27, 202002617 For five years from 2011 the Rotowaro Coalfield and Opencast Mine extraction and overburden removal contract was taken over by Stevenson Mining (for state-owned Solid...