Wherever aerler 0' mean- plllsades are . lea-use, a
horlzomil bore w)“ olren enough up sweel warer
lapped m lne nrrk slrala Ullllke uuauals (figure nan
susb waler ran be seabed on and used only as needed,
and ran be be ngulilzd lb lnal arnuunr laken rnlu lne
iqulIL-r

A snalldw, lasl dryerrearn sysrurn usually develops
ou| ul llre upper lnollnll regruns ul lulds, ulren nl
sueanr sequenees only 445 .n wld: and with banks

n s»: in my, The bad I5 usually rockelmed, and
derrllus along lne banks shows (he exlenr cl "and
levels As “I wadls. me «lend pednds lwben lhry mrl
are vmlgnl and sudden, lne boulders allzsl In llns,
nlbng wnn llre smashed luwer branches 0! large uws

We eannul elleenyely dam mese mlenr flows, er we
wuuld lrll um dun wnn bouldcrnnd srll in a low mills
Bu| wmx wesau dd lslb bleed or! me mlandduen
n m u more peaeelul eonwur "ON, and meneerba darn.

ll we lead llus flow alun, an dye-sued, wlde, and

slralluw tumour uenelu ull lullsuul ln rne lnnrll belbre

ever mdung me durn, and lbe trench .rsell preaenls n
phnlmg sire and a slll my lnar ls easlly cleaned m",
whereasa darn .s dllficull lo de-srll (figum lml

DUNE com-m

Sands accur nn pauemenls, nras dunenelds (sand seas)
Drpendmg ml the wind rnlenalry, durauon, suednrllnes
and yelosuy, and lbe supply 0! snnd dewnwlnd, dunes
ean lake up any ul a number bl cbdraelerasln- (buns,
cruelly llrose cl lluNstxsE and regular ndges,
OELIQUE dunes. LDNG|TUDINAL dunes dllgned
wuh sbe wmd. BAKCHANS ur ereseenrs lnnrns

duwnwrndl, dud sand sear er eunously wave—lake
(tough seal lrnrru, wnh lobed aduanee edges.

Dunes ml pavnmflu Insulated dunesl ear. be plaured
after ralus wflll a failrgmwlllg gram or ual (mp
(sorghum, lulller, same deserr legumes aueln as mull.
bednl dr yzm beans,and a 56 a! hardy Amer. see-inns:
an be pul m Flare, prelurably mm a nuxrd lerulrser ll
all gnes well, lbs grams flower and llre slnw Iasu lbr
rwu nr rnrne years, rbe rnbln beans learn seed, and due
small Aan Erun ld elleel yermanem subllrsalron
Spears suen as Arum: nurnnur gwe mpiuus ledlrnnlelr,
and deser- yam bean pus ran be plaeed ln laber years
using nus leal mukh.

lne wluale Pm depends un a good rim, Pesl and
browser eonlrbl be'nu- Sowing. and some anrrurnal
uruleeuun aller suwmg A Yew larger qulelrser lrees
llanlanskl may suereed lK llrey aludeeply set in ur near
me dune base

Exllnslve dune sysrerns need a very dlllerenl
appmach, ahhuugh even here, pelleled seed eau be
bmadeasl lx-om "ll.- au lb awin mu Many such Pellds
wl|l bebuned by sand, and lld nmy raln beeurs, same
wlll grow Pending rs a relanvely slrnple snarler ul
mlxlng seed, rnud. lernlrser. sdrne lnsecl repellenl
lneurmlraed copper sulpnale wlln hme, mm lree ledl
pnwdcv, magneslu) m a slxlilsh mass, passlug u
(hmugh a uunrer mm llre blades mum/ed and "ml on
lo a Vlbrallng Hay wnn a sllgm slope on nhlch dry
puwder ur dusls are shaken The errruded 'mlls nl
pellets-d seed hKume ruund pellels on me slralrer my,
and ean be spread bur lb drv relleled seed ls nnl ealen

 

fgfl

war was

 

was;

if

by lands or lmfls
iv a:
.ms

crawl—msacrm mm mm or
9&7sw WNW‘MF

 

HllllRE ll.l5

mums woes Ion PH’I’ING

Tram am all lu 'nlr we saw Inn! was will a nd—mmll
anuaubn, slob dusl slums, pmvld: wow and mu lb. uuml fins
and was, or 91mm m am can am m, m av all ur rm
unmal 7mm

 

32b