Great Southern Mining (ASX:GSN) has received approval to undertake extensive drilling at its Cox’s Find Gold Project. The Department of Mines, Industry, Regulation and Safety has given the green light for a maiden drill program involving reverse circulation and diamond drilling aimed at testing new predictive structural models. This will be the first exploratory drilling at the deposit in over 25 years. The primary objective is to discover a substantial high-grade gold resource. Shares in Great Southern Mining (ASX:GSN) opened flat at 6 cents.