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I I I I I I I I I I I 8 1. Channelization of La Jara Creek. (Plate 1) 2. Channelization of Alamoaa Creek. (Plate 1) ). A conveyance channel and drainage syatem from Alamoaa northward to McGinty and extension to connect with San Luia Valley Irrigation District and Prairie Ditch drains. (Plste 1) q. Drainaie system in the Mosca~qargent area. (Plate 1) 5. Channelization of the Rio Grande above Alamosa. (Plate 2) 6. Reduction of phreatophytes along stream channele. 7. Additional transmoantsin diversions. 8. Diversion of ground water below the Lobatos gaging atation into the Rio Grande sbove the gaging station to obtain additional credit water. 9. Control structures on the rivers to facilitate administration and to provide storage of surplus water for years with low flows. 10, Review and revision of administrative policies in view of changed and changing conditions. It is interesting to note that the first six of the ten projects liated above dsal with water salvage in the strictest use of the term, and here is illustrated the exercise of the basic policy of the Board. This policy is to encourage maximum benefit from available water snd to attempt to meet the obligations stipulated in the Rio Grande Compact by salvaging water now lost by evaporation and transpiration rather then by denying uae of water to decreed rights. 1. & 2. Channelization of La Jara Creek and Alamosa Creek are projects which would undoubtedly contribute substantially to return flows to the Rio Grande. The channelizations would relieve adjacent lands of their present water logged condition thus permitting a financially more advantageous use of the land. While no studies have been made to list specific costs, benefits and problems which might be encountered from the channeling of theae two creeks, conditions are similar enough to those what will be encountsred in channelization of Rock Creek that the Rock Creek channelization study should serve as a guide. 3. A conveysnce channel to and drainage systsm for the ares near McGinty combined with interception of the San Luis Valley Irrigation District Drain and Prairie Ditch Drain would convey much drainage and wasts water from a large area to the Rio Grande. While much of the area is sandy and water losses would be quite high, proper design of this project would minimize losses and assure the most efficient transportation of wster collected in the system to the Rio Grande. 0542