Great Boulder Resources on site at Mulga Bill as diamond drilling gets underway Great Boulder Resources Ltd's (ASX:GBR) Andrew Paterson speaks to Proactive's Andrew Scott from on site at Mulga Bill as diamond drilling gets underway across five high-grade gold targets. The program is set to test high-grade lodes in the central area of Mulga Bill, around the initial reverse circulation (RC) intersection of 6 metres at 31.25 g/t gold. Quick facts: Great Boulder Resources Ltd Follow