Today marks the completion of our contract with Rio Tinto at the world famous Argyle Diamond Mine, home to the rare pink diamond. It’s with pride that we reflect on the success of our longest ever mining contract. Macmahon, under our Indigenous - Doorn-Djil Yoordanning company, commenced works at the original Alluvial mining site in the early days -through to the long term construction and maintenance of the AK1 Tailings Dam. Our team were also responsible for the main-set lines, dust suppressio