112 lines
3.3 KiB
Plaintext
112 lines
3.3 KiB
Plaintext
Wherever aerler 0' mean- plllsades are . lea-use, a
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horlzomil bore w)“ olren enough up sweel warer
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lapped m lne nrrk slrala Ullllke uuauals (figure nan
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susb waler ran be seabed on and used only as needed,
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and ran be be ngulilzd lb lnal arnuunr laken rnlu lne
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iqulIL-r
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A snalldw, lasl dryerrearn sysrurn usually develops
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ou| ul llre upper lnollnll regruns ul lulds, ulren nl
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sueanr sequenees only 445 .n wld: and with banks
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n s»: in my, The bad I5 usually rockelmed, and
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derrllus along lne banks shows (he exlenr cl "and
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levels As “I wadls. me «lend pednds lwben lhry mrl
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are vmlgnl and sudden, lne boulders allzsl In llns,
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nlbng wnn llre smashed luwer branches 0! large uws
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We eannul elleenyely dam mese mlenr flows, er we
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wuuld lrll um dun wnn bouldcrnnd srll in a low mills
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Bu| wmx wesau dd lslb bleed or! me mlandduen
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n m u more peaeelul eonwur "ON, and meneerba darn.
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ll we lead llus flow alun, an dye-sued, wlde, and
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slralluw tumour uenelu ull lullsuul ln rne lnnrll belbre
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ever mdung me durn, and lbe trench .rsell preaenls n
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phnlmg sire and a slll my lnar ls easlly cleaned m",
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whereasa darn .s dllficull lo de-srll (figum lml
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DUNE com-m
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Sands accur nn pauemenls, nras dunenelds (sand seas)
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Drpendmg ml the wind rnlenalry, durauon, suednrllnes
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and yelosuy, and lbe supply 0! snnd dewnwlnd, dunes
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ean lake up any ul a number bl cbdraelerasln- (buns,
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cruelly llrose cl lluNstxsE and regular ndges,
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OELIQUE dunes. LDNG|TUDINAL dunes dllgned
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wuh sbe wmd. BAKCHANS ur ereseenrs lnnrns
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duwnwrndl, dud sand sear er eunously wave—lake
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(tough seal lrnrru, wnh lobed aduanee edges.
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Dunes ml pavnmflu Insulated dunesl ear. be plaured
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after ralus wflll a failrgmwlllg gram or ual (mp
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(sorghum, lulller, same deserr legumes aueln as mull.
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bednl dr yzm beans,and a 56 a! hardy Amer. see-inns:
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an be pul m Flare, prelurably mm a nuxrd lerulrser ll
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all gnes well, lbs grams flower and llre slnw Iasu lbr
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rwu nr rnrne years, rbe rnbln beans learn seed, and due
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small Aan Erun ld elleel yermanem subllrsalron
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Spears suen as Arum: nurnnur gwe mpiuus ledlrnnlelr,
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and deser- yam bean pus ran be plaeed ln laber years
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using nus leal mukh.
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lne wluale Pm depends un a good rim, Pesl and
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browser eonlrbl be'nu- Sowing. and some anrrurnal
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uruleeuun aller suwmg A Yew larger qulelrser lrees
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llanlanskl may suereed lK llrey aludeeply set in ur near
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me dune base
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Exllnslve dune sysrerns need a very dlllerenl
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appmach, ahhuugh even here, pelleled seed eau be
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bmadeasl lx-om "ll.- au lb awin mu Many such Pellds
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wl|l bebuned by sand, and lld nmy raln beeurs, same
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wlll grow Pending rs a relanvely slrnple snarler ul
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mlxlng seed, rnud. lernlrser. sdrne lnsecl repellenl
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lneurmlraed copper sulpnale wlln hme, mm lree ledl
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pnwdcv, magneslu) m a slxlilsh mass, passlug u
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(hmugh a uunrer mm llre blades mum/ed and "ml on
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lo a Vlbrallng Hay wnn a sllgm slope on nhlch dry
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puwder ur dusls are shaken The errruded 'mlls nl
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pellets-d seed hKume ruund pellels on me slralrer my,
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and ean be spread bur lb drv relleled seed ls nnl ealen
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fgfl
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war was
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was;
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if
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by lands or lmfls
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iv a:
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.ms
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crawl—msacrm mm mm or
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9&7sw WNW‘MF
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HllllRE ll.l5
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mums woes Ion PH’I’ING
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Tram am all lu 'nlr we saw Inn! was will a nd—mmll
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anuaubn, slob dusl slums, pmvld: wow and mu lb. uuml fins
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and was, or 91mm m am can am m, m av all ur rm
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unmal 7mm
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32b
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