Friday, December 07, 2012 03:51 PM EST - Yellowhead Mining Inc : announced that it has commenced a 11,000-metre in-fill drill program aimed at upgrading the category of resources within the pit area and allowing for more detailed mine planning and potential exploration benefits. The program has mobilized three drill rigs and is expected to be completed in March 2013. Lab results for the drilling are expected to be available throughout the program. Yellowhead Mining Inc ( T.YMI ) shares were down $0.01 at 0.65.