Treaty Series No. 864
The American Ambassador in Mexico ( Clark ) to the Mexican Minister for Foreign Affairs ( Puig )
My Dear Mr. Minister: Referring to your note of even date, in which you set out that in proceeding to the signature of the convention providing for the rectification of the river channel of the Rio Grande in the El Paso–Juárez valley, it is understood that the documents attached to the Convention, as provided in Article VIII thereof, are copies of Minute 129 (July 31, 1930) of the International Boundary Commission, and of the report, maps, plans, and specifications attached to that Minute, and that in case any difference exists between such copies so attached to the Convention and their originals, the originals shall control, I beg hereby to confirm such understanding.
Please accept [etc.]