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<br />The Fulcbcr series rnnvists of r, well rLminerl
<br />snits. These FnIIS formed in nlluvil~m nllnvinl furs
<br />and mountnin.virlav. Slopes ore R lu 10 percent. FJe-
<br />vntian is 8,:1(10 to 11,;(1(1 feet. Natural vel:cl.afion is
<br />dnmin;uttly u'avtern tvhcatgrass, .lunegrass, turr;mt,
<br />:ulr1 rabbilhrush. The ;tverage annual precipitation is
<br />about ]`•i inches, the mean ;ulnual air temperatw'e is
<br />:Lbnut d0° f~, and the' fl'USt-f]'eC tiCaSb11 is (iii to 80 days.
<br />]n a representative llrofilc the surface layer is very
<br />dock grayish brown cobbly loam about ]] inches thick.
<br />The subsoil is dark brotrn cobbly clay ]oam and cobbly
<br />sandy clay loam about 3] inches thick. The sul~rstratum
<br />is dark e~rayish brown cobbly sandy clay lu;un that
<br />exteuds to ;l depth of fi0 iirches or more.
<br />Permeability is nurdernlely slo W, alld the 71C;l1lable
<br />water capacity is high. F.eactiun rangres from mildly
<br />alkaline to moderately alkaline. The effective rooting
<br />depth is more than GO inches.
<br />'I'tlese soils are used for range ;old wildlife.
<br />Representative ln'ofile of Fulclrer cobbly lo;nn, .', to
<br />10 percent slopes, in the northeast quarter sec. ]2, '1.
<br />37 N., R. 6 E.
<br />All-0 to 5 inches; grayish bro+en (]0)'R F/2) cobbly loam,
<br />very dark grayish bro+vn (]0)'R 3/2) nmist; strong
<br />fine crumb stnutu re; soft, eery friable; 7G per-
<br />cent cobbles and gracel; mildly alkaline; clear
<br />smooth boundary.
<br />A12-5 to 11 inches; garish brom'n (]0)'P. 5/3) cobbly
<br />loam, very dark grayish brown (70YR 3/2) moist;
<br />weak medium su bangular blocky ;lructu re parting
<br />to strong fine granular, soft, very fria Lle; 35 rer-
<br />cent cobbles :rod gracel; mildly alkaline; clear
<br />smooth hounds ry.
<br />E]--11 to 17 inches; brunn (lU\~h ~i3) rnl~Llr light clay
<br />loam, dark Lrown (]0)'R 3/3) moist; rno,L~ralr
<br />mrdium subxnguiar bh+cky anuY Urc pa rung to
<br />modr•rolr fine suhangular rdocky; )card, Cory fri-
<br />able; fe+c Ihin patchy clay films mr Ards; 15 per
<br />rent cobbles; mildly a7kal~urc; gradual w:n'}~ Louud~
<br />ary.
<br />H2t-]7 Lo 3i inches; brown (]U}.P 5%') rohLly brace clap
<br />loam, dark In~un'n (lOYR 4/3) moist; strong
<br />mrdimn angular blocky structure; crn• h:v~d, eery
<br />firm; umdrrnte rnnlinumrs clay films mr peels and
<br />in root ch;+nncls; clap films on the un~irrside of
<br />coarse (ragnrents; 75 percent cobbles; mildly alka-
<br />line; clear++~avy bmr udary
<br />}33ca-3i to 92 inches; pale hro+cn (10)'R fi /.3) cobble
<br />sandp clay loam, dart: ln~o+cn (lOYR 4!3) moist:
<br />weak mrdium cub:u+gular hlor~kc sl ru"tore: crry
<br />hard, Gem; Lhin patchy clan Ghns nu {u~ds e.nd in
<br />root. c'h:rnnrls; ]5 pc rccnl cobbh~s; cisildc =rrouda rv
<br />r'a1 b0118tf o+cur ring as small con+rrlinus :end ns
<br />coatings on cobhlrs; crl°ar°nus; uunl•o'atcl )' :Jka-
<br />line: gradual m:rcc bnu ndiu}'.
<br />Cca-42 to 60 inches; light hro+vn kh gray Urr 1'R f,/?)
<br />cnbbl }' sandy rl:+y h~a m, d:n'k gravesir hnr.cn (1011:
<br />4/?) moist.; m'~vcivo; Ice rd, friar blr; :dr p~~n'rnt
<br />cobhlr•s and slnn~'s; oi~iblr ".,~ond:~n~ r.J~ium c:,r
<br />tronatc orc',n ring ;~s ,nn•~rv(lo',:: iu Ihin s~:r ms and
<br />streaks and :rs ru:dur gs on coarse (r.;gua•nts; cal-
<br />careous; moJeralrly :Jkaliue.
<br />The .4 horizon is 7 to 15 inches lh irk. Thr P,_l hnrir.on is
<br />30 to 25 inches thick and is ro}rbl}• tern cy clay In:un nr rnb-
<br />bly clay. Above a rlrplh of •1 (1 inrhrs, the corn rot of robldrs
<br />noel gracel rnngrs from ]0 lu ;',5 per rrut. 'fbr Fier oral run-
<br />lent of c•oarsr iragmrnL g,auo-illy' in: rr::=c b~'In+e 4(r irinc~s.
<br />'rho content of cobbles and stnnrs iu the C hurirnn ranges
<br />from 35 to 65 percent. Depth to lime ranges from 30 to 50
<br />inches.
<br />Fr~-Fulchcr robhlY loamy 3 to l0 pcrecnt slupe5.
<br />This gently sloping or sloping soil occupies areas m
<br />narrow mountain valleys in the treslern p:u't of the
<br />Area. About ]5 percent of this emit is in,'luderi vet}'
<br />cobbly and stmt} areas and cobble bars, L )a•rcent
<br />areas of Embargo very stony loam, and 5 percent
<br />Emltedrado loam.
<br />Runoff is moderate. The hazard of aster erosion is
<br />moderate. There are many small gullies and creek
<br />channels.
<br />'Phis soil is used for range and t+'ildlife. Capability
<br />f:,tl'illt Cr't•i,•e
<br />The C;n'il.a sr~e consists of rlrep, troll drained mils.
<br />Thesr•srrils fnrnrerl in alluvium on alluvial fans ;un1
<br />fuuf.hills. Slulros;n'c 1 to"i percent. l,levatiun is 7,700
<br />to 8,G0o feet. Nalrrrnl ecgrL•ttiun is dominantly tvintcr-
<br />fnt, blue grams, ring mutely, rabbitbrush, and sn:rke-
<br />tveed.• The aver;ige annual precipitation is about 8
<br />inches, the me;ut annual air tem)rerature is ;tbout ~I°
<br />F, ;uui the frost-froe season is 95 to l ] 5 days.
<br />]n a represcntutice profile the surface layer is dark
<br />grayish brown cobbly loam about 9 inches thick. The
<br />underlying material IS light 1)f (lq'ttltill gl'aV and grayish
<br />I,nor+'n grnvell}' loam that extends to a depth of 60
<br />inches a' ma'e.
<br />Permeability is nloricrate, ;uui the available water
<br />capacity is moderate or high. P.caction is moderately
<br />alkaline. The effective rooting depth is ma•e than 60
<br />inches.
<br />'these soils are used for range, tvilrllife, and irrigated
<br />crops.
<br />f:epresentalive hrufile of G:u'ila cobbly loam, 1 to 3
<br />percent slopes. 700 feet south and 50 feet west of the
<br />northeast cm'ner sec. 28, "C. 38 N., P.. 7 E.
<br />AI-0 to 9 inches; light brownish gray (10)'R GJ2) cobbly
<br />Inam, dark grayish brown (]fl)'R 4/2) moist;
<br />me,dr'rate Gne granular structure; soft, con' fri-
<br />able; 25 prrcent gracel and cobbles; calcareous;
<br />oval^raf rly nik;di nc; gradual wavy boundary.
<br />Clca--9 to 30 inrh~•s; white (]OSI: 8/2) gracelk loam, light
<br />hrom'nish gray (70YR GJ2) moist; massive; sligldlp
<br />hard, very friable; 40 percent gravel and robb{es;
<br />a large amount of soft visible seconrla ry calcium
<br />carbonalr; fe+c crysl+rls of calcium sulfate; calcare-
<br />ous; modcn lelp nik;+linc; gradU:rl tPa+•V bmmdan'.
<br />C2ca 30 In f0 im~hrti; light I~rnwnish gray (](IYR G/2)
<br />q racrlly 1~•a in, Lp ayish hmwn (IUYR 5/2) moist;
<br />ma=siee; slighllc hard, very' friable; 40 Pen pmt
<br />gr;n rl :uul robh'rs; ci<ihlc u-cond:+r} calcium car-
<br />honalg occurring mosllc as n,nc rcLirrns in thin
<br />scams and streaks and as coatings nn coarse fr,+g-
<br />menls; calr:u~eous; moderately alkaline.
<br />The A hnriaon is ~ to }g inches thick and is loam or
<br />e:nnly Imm that is cobble r,r gra cell}'. The Cca hr,rizon is
<br />gra vclly or cobbly lua m. The yen trot of cobbles and gravel
<br />in the A horizon ranges imrn 20 to 75 percent in the A hm-i-
<br />zar :uul from 35 Le i5 prrcent in the C horizon. $Irepcr
<br />soils generally li:rve a larger amount of cobbles and Gravel
<br />nn the .=u r[;rre and in lhr profile than gently sloping srnls.
<br />Urydh to the rca horizon ranges from v l0 30 inches. The
<br />c!arlrnt of c:Jrium ra rbonatc is IS l0 30 portent.
<br />I:aR---f.:n'ila eu hlrly In:nn. 1 l0 3 percr•nl s)upr•.9.
<br />'this core L(eutlc ~l+r}iing soil oc[•upies the uglier end
<br />uC allucinl fans along the t~e~tc•rn edge nt the valley.
<br />'I'lie pro0lc of this soil is Lhc one described as reprc-
<br />s.rant:di~o of the srrios. ;11 gout :, percent of this nail is
<br />inrludorl :urns oC Slunncl' loam, 1 to ,", percent slopes,
<br />:uvi ;tl,unt 10 pen~rnl arr~:rs of Luhnn loam, 1 to 3 pcr-
<br />cent slrr)rr•s. Also includcrl are some small areas of
<br />ar:clu~r Gorit:r coils.
<br />Cunu(f is moderate. •fhe erosion harv'd is slia~ht.
<br />91ns1 of the nr•roaf~c is used for r;ur;e, and a few
<br />:r rears ;u'c u.rrl fen' irri;~ated alfalfa and small ;;rain.
<br />(;Ip:rLilitc unit I\'e ~ irrigated, \rlls-3 nonirrigated;
<br />Liar} lic•nch r:uigc site.
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