09:49 AM EST - Excelsior Mining Corp. : has engaged M3 Engineering & Technology Corp. of Tucson, Arizona to support the company in the completion of a pre-feasibility study on the Gunnison copper project. M3 is a global full-service engineering design firm that provides expertise in engineering and construction management services. Excelsior Mining Corp.
shares V.MIN are trading down $0.01 at $0.12.
