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<br />%2 %nIL FL'H\"}; 1' tiE1t1E5 19G0, No. 2S
<br />to abnnt :~ prrrrlu ~~f IhI• total r:ul_rl:uul in Ihr rnnnt}'.
<br />'I•hr _uil~ :ur Inudrr:urlr liar Ir.\Iln'orl. ;nnl in Inn.I plnres
<br />Ihr;\' :nr ~6alln~l Iii nr~~l,r:uol~ deep Harr ~balr. 'I.6r
<br />drptli In >b;dr i< vairr:Illt Ir>~ Ih;ul :;r il~rllr=. and iu
<br />w;nlr plarr< it i_ Ir__ Riau lu iro hrs. 1\'alrr is I:Ikrn in
<br />arrc ~lualc. :nnl run~~ll i. rapid. Thr Irnlrr-bolllin;
<br />cnl~arilt i_~lutl Iri ni~•~liiinl. Thr I.i>ula.>uil i<ilrnn!•Idc.
<br />;lull il. tool '/.our i_ _~~ _6alluta Ih:II pl:nu_ r:unun lal:r in
<br />euuu~h tcalrr. 'l hc_r .~~il; nro-
<br />Liana. rl:Il lo:mi
<br />1'uliurc lu,l w. 1 I•~:. p~.n ,•nl >bq u•x.
<br />.\bnul III prn•rnl ..I' :hr pulrulinl pl:nlt rummunilc on
<br />ill i..itr run_i_I_ ..I' blur _r:uu^ and _:Illrin. .\Il:ali sncR-
<br />Inn i_ Ilir uin_t ^Lu nJ:nll plant, Inn nt hrl' nupuli ;1111 dr-
<br />rrra~rr> :u'r aI•~Irrli tthral••ra~<, iudi,m rlrr_•ra<=. :unl
<br />fnnrttin_ -:IIIL~L11. Ihhrr pl:nu~ uu t6is.ilr art tcinlrr-
<br />f:Il. In'irlacpra r. :nnl rnal:rtt red.
<br />'hhr total :umu:Il cirlJ nl' air-dre furnC~r, rxrhuliu~
<br />tcuwl)~ pl:ud ~. i. IIIU I.. iUU pnundn per weer.
<br />r.nn cEl. ma<nAS ItA~r.4: alT4;
<br />'I'bi= r:uiCr tilt r~~l~_i_I_ r.l' ~rnllc slupin~ lu ,Irrp .ails,
<br />nud it ula6r. ul~ :Il~~~ul lu prrrrnl nl Ibr r:nl~rlaud in
<br />I'rutcrl:. ('nnnla. 'I'lir.r ~uil_ Ilaar ^ ~r^rrll~~ ~nrf:u•r
<br />la err :nut :n'r ~ball~~a acre bra art :nnl ul her rua r.~r-It•x-
<br />Iurrll material.
<br />Tbr .nil, un thi<.ilr lal:r in tt:Ilrr rapillla. 'I'lu•c haec
<br />Into n~:Ilrr linlrliu_ rapm'ilc, Lnl Ibr ta;Iler i~ rradllc ^cnil-
<br />ablc In Ill:ult>. 'I'brrrlurr, cr~rl:Iliun ~rutc~ tarn un Ihis
<br />rau~r ~ilr. 'I'hrsr >uil< :ur-
<br />1':IC ~a i~~ .a ud~ I~rmi, :! o~ : ~ p~v'rrul enpr:.
<br />I'~a lrr acid Vila ill _rar•~I I~ ~~il~ I L. -~ p~•rrrnl .Inpr~
<br />I'~n lei' ^ud ?b nu•I i,ini _rav•II) I~~:u ua, :~ lu :C. pr, real elnpea,
<br />'llu• pulrnli:Il plant runuunnilc fur Ihis rank silt is
<br />dunlinnutlr si~leu,u_ er:una nud little bine>Irw. bat it.
<br />iurlndes :I. ~maller :nm~nnl of IIi_ blur~n•uI. urrdlr-nud-
<br />Ihrr,nl. Idur er:nua. 6airc ~r:nua, and iudi;m ricr_nass.
<br />I,rs< inlpurt :IUl rnuimuu I'u rl ~= :nut of her pl:uds inlcr-
<br />sprr>rIl ttilh _ra__r_ art hails ~ulda~ler, dolled ~n}'-
<br />fralhrr. bu~'I;ttbr;u. bi~rlutc sa~r, ^nd pr:Iirir clorrr.
<br />Yuma. <n:Il:rttrr~l. _^1~•tt~nrl. :unl -and .n_~.• art sr:urr.
<br />ISlnc ~•rnw:r. prirl:It I~I•ar, enrr:I.:uul su:Il:rtcrrd nrr dumi-
<br />n:nd in Inr_r :nr,I_ ul Ilii_ rang silt. IJI Ihrsr arras the
<br />rundil inu of Ihr rarer i_ fair bnl uul su rood as iu most
<br />other areas of Illi< enter silt.
<br />'I'IIe total :uumal wield r.f airdre furn~•r, excluding
<br />n'uuda plain<, i= ~Ju lu 1 °nn pnunll~ per Herr.
<br />rra4at FLrl N' RAGE SIT}:
<br />Thr soils of Ibis r:nier silt art deep, ntrdinm Irxhu•cd,
<br />;nut tu•II dr:Iiurd, '1~6rc :Ire .ubjorl In prrindir brurliri;tl
<br />flooding and art Ili_hh susrelrliblc lu \t'atcr crosimt.
<br />Liaestoch cunh'ihutr in the erosion of Ibrse soils by
<br />]in~crine for long periods in t]ICSe rather small areas.
<br />13nre places erode rapidk and ore seacrel}' bullied. In
<br />mane places taster bas eroded stream channels into the
<br />soils. This range site makes up ooh' an extreme)}•
<br />limited acreage in Prmrers Crnmtc.
<br />The infiltration and \t'ater-holding capacitc of these
<br />soils are high. The periodic flooding contributes to the
<br />soil moisflu•e nud mnl:es nture uoislure ~aailablc to the
<br />plants. 'These soils nrr-
<br />Cu<hru Hilt tun w.
<br />I,ua wy nlluvi:Il In ud.
<br />•1'he potential plant conuw lilt' is nleinlc \arslrrn
<br />tahrat~rass, ainc uu•squite, so' tell^rn=.. :nul• fnnraiug
<br />s:dtbush, but blur _rmm~ twill douliunlr iu ntosl :urns.
<br />TIIrI'e 15 SOIllC :111:;111 sarntou. 1 abbitbrusll. nn inr•rra~rr,
<br />is dominant in :bras tchcre Ibis rnn;,n• site is under pres-
<br />snre of bcn•~' grnrinr, curl s:ut 1 sa];r appe;n•s iu n fen'
<br />arras. ]iuffalograss ;old blue ~r;uua nrr dumin;utt in
<br />arras tchcre the condition n[ th s rnn~m silt is fair.
<br />The total annual }'irld of a r-dre fora _r, rxc•ludinq
<br />\\'l ll 111\' 111,111 ~, IS tll ll) (rr Idiilll llr 111111E 1rP 1' :I rI'1'.
<br />tilIAI. F. IIRYA ASR \1:4: SITE
<br />Uul\• the Lismas-Shnlr nulrtn mmplrx is in Ihis r:nl_r
<br />sift. The ran~n• site occupies talc nu rxurnu•h ,Mall
<br />acrra~e in 1'rotarrs Connl~•. 'I'u• Lisul:u sail is~unrdrr-
<br />atrh' line tcxtnrrd and steep. ;n d it hn• a poorly' dcarl-
<br />upeil profile. II. is eroded nud i. crt;\' shallnta ucfv' hr;Ia}'
<br />clue shale.
<br />\u unr ••I•a ss is doutin:utl un I lis silt, brrausr there arc
<br />~n nl:ma dilfrrrnl ~rnssrs. .\. G rn~r, tcr~l ern tchrnl~r:I Ss
<br />is nursl~ impurl:ud. \\l•W ern tt~l •nl;; rnss, sidroals ~•r:nna,
<br />iudi:m rirr;•rnss, urrdlr~rass, :nI I tit l Ir Llurslrul mal:r up
<br />nboul unr-Ihirfl of Ihr pl:nll cr 'r r. Fuurtaiu~ s:Ihbmh
<br />and tciutrrfnl art Ihr train in •rensrrc. In uulsl :Irr;ls
<br />tahrre Ihis sitt• is iu pour cnndil uu. Ihr areas nrr eroded
<br />and b;ur. In Iltosr areas the m; iu plants :n•c snahetcerd,
<br />taolfbrrr}', and muhl.y.
<br />'I•hr. lolnl annual rind of a r-dr}' fora~n•, rxclndin~
<br />tcuudc plants. rau_es Erma fOp lu Sltll punnds per ,u'rr.
<br />SA1115TON4: UIt4:ASS IIANnC SIT4:
<br />Onlc 1'ra\'essilla-liuclL outcrol c•mnplrx is iu Ihis r:ut~•r,
<br />site. 'I'hc rnn~c silt umkrs up ur;u'Iv :. percent of the
<br />rnu~elnnd in 1'rotcrrs ('ouula. Thr 'll':n'es~ill^ soil is
<br />ston\' or rocks and is nu•diunl Irxlured nr uuuler;deh'
<br />euar<e Icxlurc~l. In m:wa plncr~ it is slap. IIucl: rrnl~s
<br />uul iu m;wc pl:u•rs, and Iherr n r mnnp vertical rlilfs.
<br />The 'I'r:nrs=ills sell Inkrs in \nlcr rapidlc, Irul it has
<br />acre Iota taalrr-huldin~ cnpac•ilc (fib. ~7). 7'IIr 5tuue= iu
<br />Ihis soil help to make nwisun'r ; t;lilnble lu plnnfs.
<br />1 , ` r
<br />~~
<br />..~ ~ .~ .w•.-..
<br />•.~~,.y,~ __ .
<br />.. ti - r aApMAY
<br />-:
<br />Ci:03FH~i•[•rt~-:.">':... -1.~,rN1 :':.: y!i~~w-.=r7M•flCJ•'[. ~.a~
<br />Figure 27.-An area where sandsto a crops out on part of the
<br />Sandstone Breaks ange site.
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