lhc «anh rhls, hlrl- lhr- arcluslarl al buululcrs and hugs,
grass clumps and lupaull, .a ("Hall la aarlh claulhlr
(shrinkage rll walkumpaclca rlurus If less lllau ml
Eanh so rolled should lac nnlhu su dry as |u mu-ublc
uar s.» we| as loslulup orsquash aul uuacr \hz rulh-r

A key shuuld ac cul lo prwcul shear and cul all my
base sacpaga This ls "2:de on all walls I s m (5 lee-l
or mom hlgh. ulharwrsa [ht base should be uh a
shallow (Iayrlllled ulllcl Slopes ara sale r143 ralru ul 3,)
llurlarl and 2 Ur 2.5! luulcrl, lmboard al llv m (3 laall,
key al owe m 4273 led) deep In susperl soils, lhc
whula mm call heal fined clay (Hank ml.

1hc wall can cum (run or ml, bu! ll (awfully made
as dligmmmed and pmvxded wrlh a broad spllluay.
shuuld be slablc and .919 turn”, bamng srplusulus ur
scum earllraualrcs.

The SPILLWAV base shuuld lac careiullv survcyca al
I m below CM! and away haul the wall ar lrll llsall
lalorll lry |o Indge lhls, lucasurc lll, and a SIPHON ur

ass OUTLET pip: lluca wrlh braille plalea placed ul
draw all wala. lrlgun ml

m- elllclency m capacuy ul dams depmds ru. lhu
llalruss uI lhc ma bchlrld lhc wall A ‘v- valley or ~u“
uallcy, plalaau, ar held should lac as |eve| as call be
chosrn lclr gmnlrsl L-lliuzncy Th. key |o clllclcucy rs
lhc lcrlglh ol lhc dim wall, wmpalvd wuh lhc 'Izngtll'
ul walcr aaurrucrl, ll lhc backup 15 gmaln lharl wall
lengm, lhau ““5 rs a msum ol rucrcaslhg clllclcucy 0!
energy ussd o! enrlh mm'cd lur walar chimed. A
caralul survey ul grade plus dam 1mg". was lhls alala
helnm 513nm; lha wall Suluc dam sllcs arc my
Cost-ellufllve, cspacrallu lhusc \hurl slams al
mmmned sllrs whm- lha vallay lachlua "mm rs
llalllsh

sluall dams al lhls ualurc arc a yewel lu lhc
landscape mm and plamzd la 3m ru rll lorasl aura
lrull surround, lhcy W‘ll pmvlde aglclnlly claau, rl
wmcmnzs muddy. walcr, and II llrc |opwll ls rammed,

 

 

 

   
 

Wants mamas FvL
m-wwu (“w no?)
9WD,

 

FIGURE 7."

DAM BMLDINE

a A~n mm hw mash: slave pram-x ur mum walu slam.
la the rrsralua um. mum! Emman—flnamul l.- macs.
arasllul rm mars

aA slauursa wul ll slulluls slllru la arauaaua ar was
willow .aur rluau aha lnlmm Ind umI-us llr maul. Ivom
we marl al l». mu

 

 

 

163