127 lines
4.1 KiB
Plaintext
127 lines
4.1 KiB
Plaintext
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chy—lonms il ioiodlied rn ar 57 ein ( irieliesl deep
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and rolled down, However, il isexperis and doesni
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always woik Ceineni arid (amping plus sprinkling
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flush! oe prdtmble, ur a oiluininous spray an be
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rolled rn nlier ulling ln rluy soils, sali or sodium
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moonareean nayernesaine cllcd
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EXPLOSIVES m sorneiiiries used (a eorripaei iris
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jxdci oi lull danis, arid eunsisls ol lhmwlng in a 3x;
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slieli charge oldyruniiie. This works well al nines, bnl
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u dingemi il you own a ielrreuer, or ii liie doiri wall is
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poorly eoinpaeled ioslarl wim,
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CLAY is expansivc il ii los lo be med in, our ii is
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oleen used [0 seal dams near n elsy poekei Tlie elav is
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spiead and rolled 2340 (m 9-12 ineliesl lhick over
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suspeel arnus
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IMPERMEABLE MEMBRANES ean oe ol welded
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plaene, neoprene, or even poured eonereie lrnpenne
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alale membranes are loo expensive In use on any nul
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Crlllcal dorris, wnieli inay niean a guaranieed warer
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supply to: house 0! louder. in very porous aieas. Usmg
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membranes enables banks [0 be sleeper no any
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orlier eorilieonipaenori or gley sysieni, so run more
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wnier ean be lined inlo sinaller spare. li is nol
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‘oioloeical-‘ unless a sand oi lopsoil lloor is also added
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over me sealing layer, when lisn or planls ran on
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odded.
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Eanh slorape is now llie elyeapesl, easresi, and niosr
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locally sell-reliani nieinod ol waler eonseryalion
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Unless balk eilies and larnis use such ineiliods. elean
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wit" will deservedlv oeeonie known as me world‘s
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raresi iriineral, lllrhealm will lae peipeluaied, and
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droughts and lloods allke lseeorne roininonplaee None
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ol lliese are neeessary,
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Cans vary preailv, as a mush guilds, waier sloied in
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soil and nurnus rne elieapesl and ol giearesl yolunie,
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surlaee dams nu! eliespesl, nnd runks denr, bu| srill
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niueli less expensxvr llisn piped wnier [mm rnains
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supply l ean only urge all people ol guodwlll lo
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prornore, iund, and mves‘igMe waler and waier
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smrage, warer energy and waler elea ess. as me
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elilorinaied, nielallie, asbesloslilrred, porsonous waier
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ol mndun eenrralised svsreins is prudneing sueli
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epideniie disease an riess n. eaneer, bone marrow
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(adore, and gasiioinresiinal disorder
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[I n 22,500 l mnk rosrs 2n uriirs ol inoney, llie same
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uniis in a sensible ealli sloraee peys lor 2500,00 l, or
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spool m0 nines as inuen warer, Up Io moon—2,500,000
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l links Eel eneaper, as less eoriereie is used lor niore
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waier Thai is, a \axge hank is ieladvely cheaper ilian a
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small lank Abnvc 2mm l, sueli mnlré are usually
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poured on sile, oelow iliis, iliey ore earled lioin a
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eeniral minuliduring sire
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Dams, in eonlrasl, begin lo eosl rnoie as in. lieigyil oi
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llie wnll rises Abom .1 rn (in feel) ol relainine wnll is
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in. liiriii oi eneap dams Above ilus, eosrs rise iapidly
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as greaier skills, inoie expensive and inassiye norenals,
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inore eornplex eorilrols ol levels, and niueli gnaltr
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enyiioni-nenlal rlsks rukeineir loll
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As nored, elieap waler in dains depends on llie
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enoree ol sile, so chm very low dsnu or. welleeleered
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sues impound zo-lw nines inoie waier lhan llie some
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enirri used on sleeper sires, wneie every unii ol eanli
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rnoved eounls u uml ol waler However, eyen earili
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ranks enavalzd oelow grade are a| Dnhlevmh M pdee
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of eoneiere ranks above yidt
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wnere aie links, inodesl danis. and mive dnnis
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applapni‘ne7 Tanks are dppropriole on isolaied
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dwellings, in llallonds, arid everywhm in cross and
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urbanised areas Dims of lroin 22,500 ro l 5 M) are per:
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ouill on any good sire in eounlry ond parkland aieas
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Massive dams are appmpriale liaidly anywhm our lhe
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llne roskeoerrned or elneialed uplands ol solid and
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loiesred hllls, sumeei lo low eurlnoualre nsk and died
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only lor inodesl doineslie \nm dirry iridusuiall power
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generanon
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TANKS
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Culmnl arid liisiorieal pmzdzm niay deierrnine liow
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earlli is moved and used, or even it ii an be iii/owed or
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all. Thus, an Australian aeeuslonied lo a greai vai-iery
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ol surlaee slorsee, in aslounded lliul iliere .re no
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scnzmilc or CDSTS FDR DAMS AND YAMKS
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Sienna MB rod mu m nines lie oosi M dams 1mm same
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:Mum ul will! sored: mn—sin rem-unis lor mm are anen
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o
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’° EARTH DAMS ‘° TANI6
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n * 4‘,
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. . ,s s rr s r , ,, ,
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neunzm m” “*9" (“Mr”) ’— olrea fizz» Elude!) 3
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165
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