Up before the Foreign Relations Committee of the U.S. Senate last week was a treaty which would divide between Mexico and the U.S. the irrigation water of the Colorado River and the lower Rio Grande.
Seventy percent of the water in the lower Rio Grande originates in Mexico. She could dam up the tributaries, use the water on her own side of the border. But under the pending treaty Mexico agrees to give Texas approximately 800,000 acre-feet of water, keeping only about 600,000 acre-feet for herself.
In return, Mexico asks 1,500,000 acre-feet of Colorado River water, most of which originates in the...