MONTREAL, QUEBEC--(Marketwired - June 25, 2015) -
MDN Inc. (TSX:MDN) (the "Company") is pleased to announce the results of a preliminary sampling of the known niobium showings, with grab samples grading up to 1.58% of niobium pentoxide (Nb2O5), and the discovery of new carbonatites occurrences on the Prairie lake Properties, near Marathon, Ontario
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