113 lines
3.2 KiB
Plaintext
113 lines
3.2 KiB
Plaintext
pmpon uii ol lree surlaee wiler, some beeause ur
|
||
lreedraiiuiig mxls pr deep or miss sands. orhei aieas
|
||
are ipo ibelry, or D! assured luiiesioue, aud ye: plheis
|
||
are iiiu sleep or uiislablr bui a geai iriauy pmdlkhve
|
||
areas ni elay-lraeiiou subsoils 140% or iiipre rlay
|
||
lraeiiuui will hold waier behind earili daiiis, belnw
|
||
grade leyels di earilii iaiihs, rir peielied above grade as
|
||
iurlrey-s nESI' or ring dariis There are very lew
|
||
limmnpfi, however, mal will rush smie MON sell waier
|
||
ii humus, soil ireaiiiieui, m swales are iried, ihe so“
|
||
iisell IS our largtfl waier slorage sysleiu iii laudseape il
|
||
we AM»: u id absorb.
|
||
|
||
Aliripsr every iype ui dam is cosielieeiiye il ii is
|
||
leeaied iu peu waier iii aii aiea pl 5% or less slope.
|
||
However, ruaiiy esseiiiial dams, ii well»iiiade aud
|
||
durable, eaii be buili ai hiywr slopes or grades, iriade
|
||
bi euiieiere, Mbwalled, m eaeaydied ii waler liar a
|
||
house a! small seiileiiieui is ihe liruiriiig lariur. saeh
|
||
aud every dairi needs eareiul soil and Level surveys aud
|
||
plauriuig ipr Ion! wnsmldlon uieihbds.
|
||
|
||
DAM mas AND LOCATIONS
|
||
nieie are an leasi lhese epuiuibii dairi siles iii every
|
||
exieiiaive landscapc
|
||
|
||
SADDLE DAMS are usually llie highesi uuuilalile
|
||
sinuses, ur. saddles or hollows ui ihe skylmz piotrle a!
|
||
lulla Saddle dauis raii be hilly exeavaled beluw gimud
|
||
(yadei or wallsd W 2|er side or, or lariili sides m, llie
|
||
saddle. They raii be eiieular, ublpiip, or “mark :55"
|
||
shaped wirh horns or erieiisiuus a: eiiher eud mauie
|
||
w.
|
||
usg wildlifeamck. highsiurage.
|
||
|
||
RIDGEPOINT DAMS dr “holishoe' daiiis aie buill
|
||
ml ihe sub—plateaus pl “Illlned ridges, umally on a
|
||
dewendlng ridgeliue, aiid beluw saddle dam. The
|
||
|
||
vwzaou vmus (Ami mum:
|
||
mm mm, 13?:- mo war”
|
||
10 Twaflhum Mus
|
||
|
||
k1: (UT AT IJ-so-s'oe "9%
|
||
|
||
swim
|
||
|
||
SADDLE DAM
|
||
VllY imil lui liia mmml, mldlni. Ilium imailrui lhe 'Nfihlsl'
|
||
hype M dam in nu Indian! irai ms liiuii hill mum
|
||
|
||
|
||
|
||
158
|
||
|
||
|
||
|
||
lawusiuw DUNS/I I
|
||
|
||
|
||
|
||
\\
|
||
|
||
fibv\or re] vanki
|
||
|
||
|
||
|
||
shuwyfi I |
|
||
(w a»: pm To NEXI’ m9
|
||
|
||
|
||
|
||
W “scum w numb: Nxzuré
|
||
"suns 1.5
|
||
|
||
RIDEEPOM {MM
|
||
|
||
m vim-shri- dam. nuiil on plum areas ul mines ans u «in
|
||
sadder-m
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
shape is kypiully lhai or a horse's ml. ii an be made
|
||
beldw grade, or walled by eairli banks (“gnu 1,57.
|
||
um: A; ldr saddle dams, Only 0! liiiiiied xmsilmn
|
||
use, bur very userul 1m run—Mi and pumped sidrages.
|
||
None ihal bani saddle aud ndgz darris raii an as
|
||
slorages {Mpumped wareruaed lur energy generafimi,
|
||
KEYPO|NT DAMS are lpeaied iri ilie valleys pl
|
||
seeaaiidary slreairis, huuud landscapes, an lhe highest
|
||
praeiieal eryrisrrueririu point in «he lull pmfill, usually
|
||
where ihe strum prolile changes lrpiri euiiyea lo
|
||
euueaye; rhis place eaii be purified by eye, aiid a
|
||
dereeridiiig euuiour Will ilieii pielr up all bilier
|
||
keyppiriis ui. uie iiiairi valley irlguie 7.5).
|
||
@ Primarily iii sipre 1mg iui. waier None ihai a
|
||
mud in ihiid series sari be ruii below rhis pruiiary
|
||
wnes ul dauis, aud dial Lh: splllway bi the lasi daiii iii
|
||
a series eau be iehiraied 'Ilpstreim“ rd rueei lhe iiiaiii
|
||
valley, eneerively spilliiip surplus id sueaiiis
|
||
coN'louK DAM walls eaii be buili uii eduipur
|
||
wherever rhe dope x5 5% ur less, or suiiiaeriily nai.
|
||
Coulouis (aud daiu wallsl tan be suruave dr rprwex in
|
||
[he lall lirie amass ihe dispeiriguie m
|
||
U756. Iniglhnni aquaculiuie, or floodrfluw basiris ii.
|
||
|