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<br />l;iJ27,i, <br /> <br />NAI',~~lC <br />Sample Letter <br />in Support or Fis~al Yea~ 1973 <br />Heather ~:odiiicati:::ln Det'lonstration Pro)!:"lit'l 1:1 Colorado River 3asin <br /> <br />In the Colorado River Basin Project Act. Public La~ 90-537, Congress <br /> <br />declared that the satisfaction of the requirements of the ~le:d';:An .....ater Tre;Jty <br /> <br />from the Colorado River constitutes a national obligation which shall be the <br /> <br />first obligation of any ....at'."r augm~ntation project authorized by the Congr~ss. <br /> <br />Ir. the Conference Report on that Act (Report if1861, House of Representatives, <br /> <br />90th Congress, 2nd S~ssion), it is stated that. when the water supplies and <br /> <br />requirements of the {';est-ern United States are deter-::;lined (as \<".15 done 1:1 <br /> <br />Interior's "\;"estwide Study Report", dated April 1975). the Secretary of the <br /> <br />. <br /> <br />Interior should then proceed .~th investigations to determine the ~ost <br /> <br />economical means ot augment iog the 'WatC!r Supp1? of the Colorado River. <br /> <br />H(lw~ver. the Se' rer:n'y does not h.1ve any prograM in his budget to c:ury <br /> <br />our. this Con~ressionnl mandatt! and direction. <br /> <br />In [act. planning funds for <br /> <br />I <br /> <br />the one prograr.l that appears to be. by far, the most econor:dca.l mC.lns for <br /> <br />augmetltir.g the rh'cr. cloud seedino- in the Colorado !H'/er Basin, _'l.e not <br /> <br />continued i:1 thE. Bure,HI of Reclamation's 197/-78 budget. <br /> <br />The Bureau of a.....:::lamatim conducted a limit~d-scale ~'''eather modification <br /> <br />pilot project in a portion of the San Juan f'l"untains in the Colorario RiVE:-r <br /> <br />F1asin over five winter seasons, ending in Apri' , 975. Thereafter. independent <br /> <br />evalUations ~ere ade of the resul~s of the pilot project. <br /> <br />In i ts r~cent 1)'- <br /> <br />released report thereon. :he ..:on3ulting firm of Aerometric Reseat'ch. toc.. <br /> <br />arrived at the significant conclusions t!:l~ t a correctly-designed dnd opE"r:;::~d <br /> <br />",'inter c1oud-seedinlS pro>;:rem .....ould produce about :0 percent addi rion., <br /> <br />precipitation ....hich 1.>'ou':c. in turn. result in an increase in streamflo...... <br /> <br />of 19 percent over seeded are3S in the Colorado Ri".er Basin. <br /> <br />55 <br />