U.S. Precious Metals, Inc. (USPR) Announces the Commencement of Ground Surveying and Recent Upgrading of Infrastructure MARLBORO, N.J., May 7, 2014 (GLOBE NEWSWIRE) -- U.S. Precious Metals, Inc. ("Company") (OTCQB:USPR) is pleased to announce that on May 10, 2014, Mesa Acquisition Group, LLC, our Joint Venture partner,...