127 lines
2.7 KiB
Plaintext
127 lines
2.7 KiB
Plaintext
take any oven-flaw 1mm swaues and dams. and may be
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tens or hundndi of rneues lung. Spmadzv hunks have
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rne1awer sxde dead level. and eurrrpnered or even
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mmered Wazer emels [mm a dim, swaxe, ur minm
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srrerrn and leaves as a nun sneer flaw duwrrslupe Spml
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Is prled nphvll, pulerably in mmmds, ur removed (0
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allow dcwnlull sneer flow as emu me spreader due).
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manure mm
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For lmgilmn nus ol Harlands, rne bink rs given
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prercea by a ser-es of deadrlnel plpe uullels, each
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(searing an 5 Igallon bay (xlsefl planed "an, ru wmzh
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water rs eunnned by Iuw srae walls15TEER|NG
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BANKS) M are lower end 0) um bay, a nu.
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Dump. surpxus waree drnrnqeads an excess Nam
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mnshum orsemndary smnge dun. In suen eases, me
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uphill ur prunury leeder drarn xs tilled rne HEAD
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“ca and has crossesudes um um flaw; nus causes
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are Izvelkd plpes (0 Hood mu imo rne bays Somellmes
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m. pipes are mplxed mm neyex amt-rue nus and in
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uld—esubhshed ipmlderr banks, are whole nl me :uwer
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up rnay be eonerereu m gnre n permanern Ieue1 spxll
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FIGURE 1.2:
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swans)? BANK
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Wain mmuw rs curvy snl-Id w ummn lzummu m- anwnmn
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mm a nu
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rrnrnune m breakagp by earue ur yeruelss
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Spml hnes uphill {mm Spreader banks are hes. pried
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or al Ieasr broken by nrequenr upenrngs |o Illuw
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downhill nvefland flow xn enrer rne dnin wrenom
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carrymg srn loads
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In any landscupr, a snblle and welIApIannzd
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rombmaunn u; dams, drams, spreader banks, iwnles,
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and aypmpflak prpes,guue~va1ves,spiu gm, "ass, or
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eulyeru wIII harvest, snare, and use surplus flood ur
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uverland flow waaers. mese are used to um um 52“:
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vrurn sons, sprend wuer evenly over my, pu| ou|
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wrldnres, and modesny ' gane land n rs a maner ol
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hrs| dzcldmg on, men surveying any or an rnese
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sysrerrrs, and awe an uf (unsxdgnng me lung—Dem!
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elleers on me .mrnedrare Imdscapeawd rne suns
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All earrnworks (an be regarded as REHABILITIVE
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nnu remedrax .1 Hrs, reuxaee saned and eroded lands
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perennra1 bruwse or [0155 They earr be ssen as
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Damcmc and expluunrrye u used m xrrigilt my.
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ware-edemand my urkr luteme/alhlla) m drylands,
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u: an of! flow m dry areas, or lo run wurer lur
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unessunizl uses «0 large urban eenrres devoled m
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lawns and car washes.
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7.4
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REDUCTION OF WATER USED IN
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SEWAGE SYSTEMS
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In canes, wnu is (him-(“Med and [ed baek mm me
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sysrern. surnenmes mixed wnh seawarer 0r ‘lmled'
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wasre warer Io gwe ir chat my rasre so Iypiral 04, eg
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Las Palmas m m. Canary Islands Surplus wwagz,
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FIE"!!! 1.2!
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sanwmc 0f IRRIGAHUN ms
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Lawn m manna rmmnn bay: smum um uueea mu In W m
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mmn Mwlnwlwmmn Scum hour. van
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he» Draw
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W rm pal
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Q
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WW
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VNCN N A(»IAASIDE 11%
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mm as rem ms»
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remre we 3;“
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w (.e use“:
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(ewA/rssynfifl—
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(any we run w
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Mme warrwyw ,
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To WAN M1! 0?? KW
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mu ma: ‘4 PAD!)
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170
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