(March 31, 2016, 11:54 AM EDT) -- WASHINGTON, D.C. — Dominion Minerals Corp. on March 29 submitted a request for arbitration with the International Centre for Settlement of Investment Disputes (ICSID), seeking an order directing the Republic of Panama to pay at least $268.3 million in a dispute over mining projects (Dominion Minerals Corp. v. Republic of Panama, ICSID ARB No. n/a)....