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The "Legal and Institution Framework for Rio Grande Project Water Supply and Use" report prepared by the USBR in October 1995 summarizes various federal statutes, contracts, and court decisions that relate to the development and control the operation of the Rio Grande Project. The reader is referred to this report for a discussion on them. (Should we include a discussion here or perhaps put this infonnation in an appendix? Either way, 1'1/ need help.) Mexican Treatv of 1906 On May 21,1906, the United States and Mexico concluded a convention (34 Stat. 2953) to provide for the equitable distribution of waters of the Rio Grande for irrigation purposes and to remove all causes of controversy between them with respect thereto. The treaty was ratified by the U.S. Congress on January 16, 1907. Articles I through IV are relevant in this study, and are summarized below. A copy of this treaty is included in this report as Appendix B for convenient reference. Article I provides that the United States shall deliver 60,000 acre-feet of water annually to Mexico in the bed of the Rio Grande at the headworks of the Acequia Madre. As described in the previous section of the report, the Acequia Madre obtains its water at the International Diversion Dam. The deliveries by the United States were not required until the storage dam near Engle and the auxiliary distribution system were completed and until water became available in the system. Article II provides that the water is to be delivered as nearly as possible according to the following schedule: Month January February March April May June July August Acre-feet o 1,090 5,460 12,000 12,000 12,000 8,180 4,370 3-5 r, - , " - ~1 -. '"" .'-u