evidence: The Laguna del Desierto arbitration determined the demarcation of the section of the Argentine-Chilean border between boundary mark 62 (48°51’S) and Mount Fitz-Roy (49°16’S). It brought an end to a disagreement that threatened to escalate into war in 1965. [...] Agreement to submit to arbitration the demarcation of the border between the Argentine Republic and the Republic of Chile in the section between boundary mark 62 and Mount Fitz Roy. Signed at Santiago on 31 October 1991, 1664 U.N.T.S. 295 [...] Award by the Arbitration Tribunal established pursuant to compromise signed on 31 October 1991 in the boundary dispute between Argentina and Chile concerning the frontier line between boundary post 62 and Mount Fitz-Roy, 21 October 1994, R.I.A.A., Vol. XXII: 3