Red Mountain Mining (ASX: RMX) has acquired 29 claims which make up the highly-prospective Yellow Pine antimony project located in Idaho’s historic Stibnite mining district, in a move to complement the Utah antimony project the company also acquired this month.The project lies within 2 kilometres of the Stibnite gold-antimony project owned by Nasdaq-listed Perpetua Resources, the largest known deposit of its kind in the US with a proven and probable reserve of 4.8 million ounces gold and 148 million pounds ...