April 26, 2013 09:25 AM Eastern Daylight Time  Copper, Gold Explorer Liberty Star Receives Updated ZTEM Bid TUCSON, Ariz.–(BUSINESS WIRE)–Liberty Star Uranium & Metals Corp. (“Liberty Star” or the “Company”)(LBSR: OTCQB) is pleased to announce receipt of a new bid for ZTEM electromagnetic (EM) geophysical studies from Geotech Ltd. (“Geotech”). The new bid is for fixed wing flight over the […]