SAND DAMS AND CLEAKWATER msvoms
Washes m gemlyrmmng foothills (any broad :1de
mm surges n .s my idvamageous m dam “IL-5e So
um water backs up “no mm me m. w|dm the
WI“ must be kryed In far as m (o lhe nae banks, or
wmwr mu mu: amnnd [he ends.Belom|h1s 15 mm, u
.; mry m an a grin n! z m day bays in|a m.
ups-mm banks, and m hm several loads 9' (nary
slant .0 p1“: mum nu upsuum ”as 0! ms mu

mu nus wnl (mm a drain m a damn" dun, mm
mellshuul‘l be less than a run“! ol the mm are: mad
up by me wall was“ 11.44)

Haw n funnlons 1s la plc m- fllsl flmds rush
down and over nus will u and cause sands (all but
and m a new rams an up “Is Mange The shingle or
tucks m. the ms. s of m- wall as: as . Imucd seepage
m m: (learwatcr dams 11.. dam use“ alw leaks water
lhmugh m nvzr bed—u .s "mm “P and sum.

  

 

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cmnwmn DAM

A was in mm mm mus mu 6 nunl-n 1a «us me nuwflunmm
um: Dawn-strum m: mus Inns: MW WW

I A 53‘! amnm mm, mm ms mus as mum conxxmmd
rim-wed. 1J'-smpefl mherw-seun‘lry Emsmnnncwfi

 

X/m a; WWW (flop
w my“ 2225‘ m

    

mm W «mm AA

  

 

WP, ”Wm spwwsmm

 

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