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<br />r('ach~(1 sume (Imdusions on tbt' dl'~rl'{: to which pre<ipitalioll ha..~ bt"t":l <br />afft'Ctl'd, and Ihe needs for further im-estiution_ The Committee cun. <br />duded Ihat-"(cloud seedin,gl in Wt'sttrn l-nited Stal5 prorlun>(] an <br />3verac(' increa~ in pre<ipitation of 10 to 15 I*r (enl irom 5('ec!t.d storms <br />with hea\'y odds that this incrt'a!'t" was nut the rt'."ult 01 natural varialions <br />in the amount of rainfall:' Thf." CommiUl'f' slatl.d also, "In non moun- <br />tainous areas. tht, s..1rne statistical procedurt's did not dett"Ct an}' increase <br />in prt'Cipitation tlut c,-,uld be attributt'd to doud ~T<linl!." <br />I'ositi\'{' tt'sults of practical value from cloud srtdim: are at this writin:,: <br />takt'n (0 be tho"t' obtainl'd with thl' use of siln.r iodide smokt' anr! dry ice <br />pt'lIt'1s. ;tlthlJu~h l'xpt"riments with two Olht'r a~ent... walt-r spray and <br />carbon black, han' rt'suhffi in ddinitf" chances in atmospheric moisture <br />phenllnll'na_ The area .....ilhin \\'hirh results of lht" Iype 3n:t'ptt"d by Ihe <br />..\d...i~)ry CurnmittH' on Weather Control may he obtained, i.... Iimilrtl 10 <br />thE" ZOot'S .....here risinc- air currents comm'.II1ly lKcur in wt':'lern l-niled <br />Stales_ (St-t> map,) <br />ConSt'r\'aliwly a....suming an annual pre<ipit;i1ion incrt'a;;,e 01 10 pt'r <br />c('nt in lncaliti('~ where uru~raphic, ur mOllntain.inlluenn"li, cloud forma- <br />tion commonly occur!;. it i~ e~timaled Ihat an annual incrt3-"f" in runoff of <br />ahout 15 million acrc-feN mi~ht be po~.~iblc throu~h cloud St'("(iinJ.": ill the <br /> <br />,,~.. <br />~~' . ,,-j f-r:-- - <br />\\tJ-\/IJ.,.,f j', <br />.~. <br />. --'?' \ M~ <br />..{t. <br />""1 ,..... <br />" "(;0.\' : : <br />~.._---._~__. i \-U),(IUw"} , <br />i""--r'--; :'Irr(~ <br />\r i...~" '''.\ ! trr, " 'y;uhiYt <br />\.../\ ... .: Vj COI.UHAD:U...: <br />, '. //. - , <br />-\/ fth::(IJ\\/ I \, : --V'"-_h_j___"u,_,,_;::. <br />'- JJ ' ' <br />. r _..- <br />. : ' '\/(IZV~'A;' ~E\"- ; <br />~_": ,\IEXICQ , <br />~ .: <br />: \. : <br />, -p---.-, <br /> <br />~ <br />.'7 A'i' :./ <br />............,-, ~..- <br />--. ,p------~ <br /> <br />Tlu arnJS sJ/IlJed <br />are rOIl(1I/y thos." <br />j"u.'ltirh tlfl" 1:""- <br /><:r'll topo(rllph}' <br />oJppfars It) bf' /.J- <br />:'''',lbJ.. /ur (/.nuf <br />J<'t'di,,(. <br /> <br />1 r,............. <br /> <br />"'>I '>I'~' <br /> <br />< <br /> <br />1I~.......,'.,...>t"""" <br /> <br />.~ <br /> <br />1J <br />