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Honorable Stewart L. Udall, Page four November 27, 1963 that basin as a beneficial consumptive use under the terms of the Colorado River Compact. 2. Lower Basin Tributaries. The proposed plan contains an evaluation of the contribution of Lower Basin tributaries to the available water supply. While we do not either agree or disagree with the stated tributary contributions, we realize the tremendous difficulty in computing consumptive uses from those tributaries on a yearly basis. It may be that it would be desirable to arrive at a mutual agreement among the basin states as to the safe annual yield of those tributaries and assess consumptive uses among the user states accordingly. Such consumptive uses, of course, must be charged under the terms of the Colorado River Compact. 3. Water Salvage. The water supply studies contained in the proposed plan show a considerable volume of salvage water which historically has been non-beneficially consumed. Much of this non-beneficial consumption results from the activities of man in the Lower Basin. It should be understood that the use of this salvage water must be accounted for as a part of the Lower Basin's compact allocation. 4. Water Unaccounted For. In the past, large amounts of water have been beneficially consumed in the Lower Basin, and more particularly along the Colorado River below Hoover Dam, which have been historically accounted for as "regulatory waters". We are referring specifically to the diversions of water from the Colorado River by illegal occupants of federal lands. The illegal occupation of these lands is not of any consuming interest to us, but the consumption of water is, Our only point is that if this consumption is to continue, then it must be charged against the state in which the water is used. 5. Return of Upper Basin Power Revenues. The filling criteria for Lake Powell provide that the Colorado River Storage Project shall either advance moneys toEpson Perfection 4870 Photo, 400 dpi, 8 bit, 13,801,472 byte