Letter: From William P. Copple to Senator Carl Hayden, September 11, 1964 (photocopy), page 2WESTOVER, COPPLE, KEDDIE & CHOULES ATTORNEYS AT LAW Senator Carl Hayden September 11, 1964 Page Two 4. Even if everything worked, it would be at least five years before every farmer got his land, etc. back in shape. I also found out that the technical experts of U. S. B. R. and U. S. G. S. have now generally agreed that the quality of water from drain tile would be no better than we are presently able to produce with the flexible pumping program now in operation. Mexico has been advised of this. They say that they do not care, that this is natural drainage. They do not want any deep well water returned from anywhere to the Colorado River...