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I I 3. The prOV1Slon of enough "new" water to irrigate 30,000 acres of new lands, and the provision of supplemental water for a substantial irrigated area below the reservoir. 4. Incident to No. 3 above, enable Colorado purport- edly to comply with the terms of the Colorado River Compact in not permitting Colorado. River water to flow into a state which is not defined by the Compact as a Colorado River Basin State. 5. Incidental sediment, fish and wild life, and recreation benefits. 933 The greatest local negative benefit would be the taking out of production a substantial acreage of irrigated land in the Weldona Valley. The plan proposed by the Bureau of Reclamation at the time the Colorado Water Conservation Board suggested a restudy, consisted of a conventional type of dam across the river at the Narrows site which would provide a reservoir with a capacity of from 600,000 a.f. to 800,000 a.f., a spillway of sufficient capacity to pass the spillway design flood, and a flood channel extending from Bijou Creek to the reservoir. The construction and maintenance of such a flood channel on Bijou Creek to the reservoir would be very difficult and very expensive. After the problem was reopened for study, the present plan I have described above was gradually evolved. It was felt that it was cheaper to construct a dam sufficiently high to provide the 818,000 acre- feet of surcharge capacity to contain the spillway design flood than it would be to construct a spillway to pass such flood. The present plan would eliminate the expensive flood channel between Bijou Creek and the South Platte. It is my opinion that the plan now proposed by the Bureau"of Reclamation is sound from an engin- eering approach; the dam is located at the best site, and the best type of structure for the site has been selected. Independent water-supply studies made by the engineering staff of the Colorado Water Conservation Board disclosed that the water-supply studies made by the U. S. Bureau of Reclamation are on the conservative side. The factor of safety allowed by the Bureau to take care of operation losses is believed to be ample. The Bureau's last studies also were based upon the supp- osition that decrees would be entered by the appropriate district courts for multiple fillings of the reservoirs in the South Platte Basin.