Treaties and other international acts series. 1989. Weather stations, cooperative program in Mexico, agreement between United States and Mexico, amending and extending agreement of Oct. 13 and 20 and Nov. 10, 1942, effected by exchanges of notes signed Mexico, D. F., May 12, June 16, 21, and 28, 1945, entered into force July 1, 1945. and agreement effected bv exchanges of notes signed Mexico. D. F., Oct. IX and 20 and Nov. 10, 1942; entered Into force Nov. 10, 1942.

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