Boundary dispute: Ecuador and Peru

[For previous documentation on this subject, see Foreign Relations, 1941, volume VI, pages 212 ff. For protocol between Ecuador and Peru regarding peace, friendship, and boundaries (signed also by representatives of the United States, Argentina, Brazil, and Chile), signed at Rio de Janeiro, January 29, 1942, see Department of State Executive Agreement Series No. 288, or 56 Stat. (pt. 2) 1818. Documentation for 1945 regarding the work of the Mixed Demarcation Commission, the Brazilian initiative in attempting to bring about a solution of differences as to the demarcation of the boundary line, and the proposal to assign a United States military airplane for aerial survey, is not published.]