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<br />003397 <br /> <br />. <br /> <br />2 <br /> <br />2. PSIAC and the Colorado River Board of California have been <br />the first publics to show an interest in the program. Support for <br />the program is needed. <br /> <br />3. There are two levels of planning: <br /> <br />a. The Regional Plan is a broad plan-appraisal level. It <br />will contain a prescription for an augmentation program. An appraisal <br />will be made and an estimate developed of the different levels of <br />potential yield improvement possible under existing laws and policies. <br /> <br />(1) A water yield emphasis alternative will be <br /> <br />developed. <br /> <br />(2) The evaluation will not be limited to Forest <br />Service lands. <br /> <br />b. The Forest Plan is a specific plan with recommendations. <br /> <br />4. Vern Valantine provided a very informative presentation on the <br />Colorado River water supply and apportionment considerations - Mexican <br />Treaty, Colorado River Basin Project Act, Colorado River Compact. A <br />copy is enclosed. <br /> <br />a. Key support for the water yield improvement program could <br />be the Colorado River Basin Project Act, Public Law 90-537 and its <br />Section 202 declaring the Mexican Water Treaty a national obligation. <br /> <br />b. Vern Valantine provided an estimate that weather modifi- <br />cation could provide 1.5 million acre-feet additional water to the <br />Colorado River. A goal of 1 million acre-feet additional water from <br />a Forest Service water yield improvement program over the next 20 years <br />could provide an augmentation of 2.5 million acre-feet as stated in <br />Public Law 90-537, Section 202 as an augmentation objective. <br /> <br />5. The Service weather modification and the Forest Service's <br />water yield improvement program would compliment each other if imple- <br />mented on the same areas. <br /> <br />6. Arrangements were made for the Forest Service to provide a <br />presentation at the September PSIAC meeting in Colorado on their water <br />yield improvement program and also for PSIAC members to review writeup <br />material as it is developed by the Forest Service. <br /> <br />C-13 <br /> <br />,,b.. ,ii.' ~ "._ <br />