TORONTO, ONTARIO--(Marketwired - July 31, 2014) - Castle Mountain Mining Company Limited (TSX VENTURE:CMM): is pleased to announce, further to its press release dated July 7, 2014, that it has selected M3 Engineering and Technology Corp. (M3) to be the lead consultant on the feasibility study for its Castle Mountain Mine. M3 has provided services for over 9500 projects for some 1000 clients in its 28-year history, including 500 major mine facility studies.