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<br />DRAFT-Not for distribution
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<br />21 Oral Remarks of Mary Brandt, U.S. Department of State, at Mexicali Symposium on
<br />Colorado River Delta, September 11, 200 I: "The 1970 Vienna Convention on Law of Treaties is
<br />designed to provide codification to rules and application to treaties to enhance the stability of the
<br />treaty relationships and regime. It is enforced internationally but not for the U.S. However, it is
<br />recognized as customary international law." In connection with this example of the United
<br />States not being a signatory, it is noteworthy that the U.S. Senate has refused to ratify a number
<br />of "loosely worded" environmental treaties. See J.W. Anderson, "U.S. Has No Role in U.N.
<br />Treaty Process: Senate Reluctant to Ratify," Resources (Issue 148; Summer 2002; published by
<br />Resources for the Future), at 12-17.
<br />
<br />22 Convention to avoid the difficulties occasioned by reason of the changes which take place in
<br />the beds of the Rio Grande and Colorado River. Signed at Washington March 1, 1889; entered
<br />into force December 24, 1890; 26 Stat. 1512; TS 232; 9 Bevans 877. The Treaty of Guadalupe
<br />Hidalgo established the current international boundary between the U.S. and Mexico, as
<br />somewhat later amended by the Gadsden Treaty, and created the Boundary Commission, later to
<br />be enlarged by the 1944 Water Treaty as the International Boundary and Water Commission.
<br />
<br />23 Treaty relating to the boundary line, transit of persons, etc, across the Isthmus ofTehuantepec.
<br />Signed at Mexico, December 30, 1853; entered into force June 30, 1854; 10 Stat. 1031; TS 208;
<br />9 Bevans 812. See also, Treaty terminating Article VIII of the Gadsden Treaty, signed at
<br />Washington April 13, 1937; entered into force December 21, 1937; 52 Stat. 1457; TS 932; 9
<br />Bevans 1023.
<br />
<br />24 Convention providing for the equitable distribution of the waters of the Rio Grande for
<br />irrigation purposes; Signed at Washington, May 12, 1906; entered into force January 16, 1907;
<br />34 Stat. 2953; TS 455; 9 Bevans 924. See also, Convention for the rectification of the Rio
<br />Grande (Rio Bravo del Norte) in EI Paso-Juarez Valley, and exchanges of notes of February 1
<br />and September 8, 1933. Signed at Mexico February 1, 1933; entered into force November 10,
<br />1933. 48 Stat. 1621; TS 864; 9 Bevans 976.
<br />
<br />25 Convention for the Protection of Migratory Birds and Game Mammals. Signed at Mexico
<br />February 7, 1936; entered into force March 15, 1937; 50 Stat. 1311; T.S. 912; 9 Bevans 1017;
<br />178 LNTS 309. See also, Agreement supplementing the convention of February 7, 1936 for the
<br />protection of migratory birds and game mammals. Exchange of notes at Mexico and Tlatelolco
<br />March 10, 1972; entered into force March 10, 1972; 23 U.S.T. 260; TIAS 7302.
<br />
<br />26 The Mexican Water Treaty, Treaty Series 994 (59 Stat. 219), Utilization of Waters ofthe
<br />Colorado and Tijuana Rivers and of the Rio Grande, February 3, 1944 ("Mexican Water
<br />Treaty"). See Treaty published with other relevant materials in Wilber, R.L. and Ely, N, The
<br />Hoover Dam Documents, U.S. Government Printing Office (1948) at A823-A881.
<br />
<br />27 Agreement Between the United States of America and the United Mexican States on
<br />Cooperation for the Protection and Improvement of the Environment in the Border Area, Signed
<br />at La Paz, Mexico, August 14, 1983, pursuant to Pub. L. 89-497, 80 Stat. 271, 1 U.S.C. 9 113.
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