Goonyella-Riverside mine is an open cut coal mine in Central Queensland. One component of the mining operations at this site is an uncompacted spoil dump some 50 m above the natural ground surface and over 300 ha in extent formed as a result of bucket wheel excavator operations. Plateau area slopes are 0.5 to 1.5 with irregular outer dump slopes of 9.5 - 17 Investigation was undertaken and a series of trials planned to assess the suitability of a variety of stabilisation proposals to meet the client's requirements and to conform with Department of Resource Industry stabilisation guidelines.