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'U21f5 .' .' purposes and for temporary storage of salvaged waters in the lake when circumstances made such action desirable. The connecting channel would have a capacity of 158 c.f.s. 4. An East Side Conveyance Channel. about 11 miles long, would collect the salvaged water from the salvage area lying on the east side of the Main conveyance Channel and south of San Luis Lake and deliver it to the Main conveyance Channel near U. S. Highway 160. The capacity of the channel would increase downstream from 10 c.f.s. to 52 c. f . 5 . S. Well field laterals to deliver the pumped ground waters to the conveyance channels. These laterals would total about 92 miles ~n length and vary in capacity from 0.6 c_f.s. to 20 c.f.s. 6. Highway and railroad crossings, county and farm bridges, surface drain and lateral inlet structures, and other miscellaneous structures, and access and operating roads. 7. Basic recreational facilities would be provided at San Luis Lake, and the }tishak Lakes National Wildlife Refuge would be developed as a project feature. Measures to improve fish habitat in the conveyance channels and aerate the pumped ground waters would be provided in accordance with recommendations of the Bureau of Sport Fisheries and Wildlife and the Colorado Department of Game and Fish. The plan contemplates use by the Alamosa National Wildlife Refuge of 5,300 acre-feet of salvaged waters annually, with diversion of such water to be provided for as part of development of that refuge. It also provides for nominal use of salvaged waters to provide water supplies for fish hatcheries which are being considered for construc- tion in the Closed Basin. The plan provides.for stage development of the water sal- vage features to provide assurance to San Luis valley irrigators and interests that pumping of the shallow ground waters does not adversely affect ground-water conditions in the Valley. The plan contemplates that construction, operation, and maintenance of the water salvage features would be nonreimbursable Federal expenses. Both the States of Colorado and New Mexico have strongly endorsed this position and cite the 1906 Treaty with the united States of Mexico and the Rio Grande Compact of 1929 as author- ity for this position. Article II of the 1929 Compact as approved by Congress by the Act of June 17. 1930, is quoted: "The States of Colorado, New Hexico, and Texas hereby declare: 4