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<br />2~~Ql
<br />
<br />_'I~TH()]'nLI'I'.\N \\':\TEH IIISTHICT
<br />
<br />CaU(I[s, c01ldtlits. ,cn:phons, t-lUl1/elS, -rcscrroh's
<br />
<br />The normal crew in charge of the operation and maintenance
<br />of canals, conduits, ~iphon~, tunnels. reservoirs, and the necessary
<br />access and patrol roads consisted of five men under the direction
<br />of a general foreman. The major work of this crew during the
<br />year past has been to patrol and inspect the system. repair canal
<br />fences. fill holes behind canal lining to prevent el'osion during
<br />heavy rains, grade and maintain patrol roads, maintain canal
<br />dikes and diagonal drain...., maintain metal gates and appurtenances,
<br />destroy weeds and spot trcat watcr with coppcr sulphatc, rcpair
<br />
<br /> 5''''....0'''. A,"'A,L
<br />. 9456 1M)57
<br />V 56S ''5
<br />. 53500 Iwroo
<br />7- _,-4/3 '"
<br />HO OJ5
<br />S 00071 "'"
<br />
<br />.. On~ barr..1
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<br />n:p,prap PiJ"'In'l,f
<br />r~'1lJlr..c toy Er"lin"..r
<br />
<br />r-A
<br />. I T
<br />__ _ __ __ __u :"..0_ _ _ ..____ n.
<br />==_ = _ _ ~ _ __ _-=",,:~;-,:,'_3..:;.t!'luo:f:~ ho:.r;:!!~-_J
<br />
<br />...._50
<br />.,>
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<br />L..A
<br />
<br />PLAN
<br />
<br />Ro.iId.....y
<br />
<br />I}'q!er
<br />Svd."", ~,"- Profl'cfIY'! .spall bank. Ba'~hll fo nal:iri>:..
<br />~~_ ~'_:__ ___--:!..Ol.lnd~Fa'..f.--~:::..!:!!;""roul,'rc.rodl'nf
<br />f ""--" '''''' '", ,. / /, /,', /' ./' /
<br />I I I-
<br />m Conal --i- Tronslflon ~ "-9~9'
<br />SEC TION CC
<br />
<br />. i-'k_:I"~':
<br />'l;~"'"
<br />I] 9"9'-
<br />\liil ",
<br />
<br />Ot'-",,,,
<br />
<br />. ,.; ~',:, EO
<br />~ "";:;~".... . Bacdll" '-",,:'i/t
<br />,I'"~
<br />Il'~~
<br />, 1"'"'"
<br />"",
<br />1,;;
<br />l"~------"-".,.-"""-
<br />SECTION A-A
<br />
<br />S"9'
<br />
<br />8.-rm.'.~
<br />-, /'
<br />,.,
<br />'-.- ~
<br />'..V,n..'t>/.,
<br />3'/1310'
<br />
<br />,Di(-..
<br />~
<br />
<br />SECTION S'S
<br />
<br />Fig. 2. Thn:c-b((/"/'d siphon
<br />
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