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ExHie~T i3-i
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<br />sole, sunvs~• •
<br />I3_t~l to lS lathes, cloy lomu; reddish hrmvu (SCR S/3)
<br />wben dry, reddish hro)vu (SClt 4/:S) when moist;
<br />nmdcrn tr, ant, In'isnm tic structlu•e hrmkiug [o mod-
<br />ern[e, lino, subuugLtlu t• blocky; hard when dry, fri-
<br />nLle when ntnis[; thin, patchy clay lihns on faces
<br />oC soil nggregn tes; some rpt:u•tritic grovel; noncnl-
<br />cnreous; pll T.•1; clcnr, smooth bouuLlnry.
<br />n:ten-1G Ln ]`; lathes, grncclly Imm~; IiFht raldish brown
<br />(SCIt f/a) \chen dry, reddish brown (6YIL S/a)
<br />\vhcn moist; u•enk, medium, subnngular blocky
<br />structure; slightly hn nl when dry, ven• friable \vhcn
<br />waist; [eLV, Lhiu. Dn tehy clay alms; weal: ncewuttla-
<br />tlml of secondary calcium cn rbnaa Le occ•nn~ing ns
<br />concreLimis rand ns rnn[ings un grn ccl fl'nf{IIICflt9
<br />- rand sand; cnlcn rcous: Pil S•?; clrs r, wavy Ummdary.
<br />IiCcn-]5 to •10 inchrs }. Innse. C:1Ifa 1'1•nllti, COn1:SC spud,
<br />grrtcrl, mul eobbicslnncs; frngnunls in uDPermns[ ]"
<br />iuvhre lhirlay canted Lrith secmulnry calcium car-
<br />baurtte.
<br />In this :\rea most. Vernal soils Uavc a slightly t.hicl:cr
<br />and finer Lrxt.nmd surface. layer Lhnn is Lypic;Ll of the
<br />series, Urcausc ploLVing Las mixed the topmost i to 10
<br />inches. 'These soils arr. modcrntcly uniform. The m:Lin
<br />vat•ialion is in the dcpt.h to sand :uul gr:wcl, \vhich r;tnges
<br />from 1G to X10 inches. '1'hc amount of secondary calcium
<br />carbonate v:u•ics from pirate t.o place, brat. the uppermost
<br />12 inches of the s;uul and gravel gencrnlh• has a strong
<br />concentration an(1 is \\•calcly cemcule(1 in places.
<br />Vcrn:tl soils have a li~htcr colmrd surfacr, layer than
<br />U11Cnn1 p;t11gCC SW Is, )vhich they commonly :uljoin. Their
<br />subsoil ;tad substratum, unlilce Lhosc of Lho Unrmnpahgro
<br />soils, ;u•c \\•cll drainc(I and unmol.tled and ]love distinct
<br />accumulations of silicate clay. In sumo plncrs Vernal
<br />soils occur \\•i1U 1lrooch•o\v soils, \cUich, in contr:LSt., arc
<br />cnlc:u•rrnls t.ln•oughont and lath a distinct accumulation
<br />of silicate cl:LV :uul a snbstl:LLum of clean sand and
<br />grlu`rl. Vcrnnl soils resentlrlc ilLcsoL soils but hate 1o\ver
<br />\v;tl m•-holding capacit.}•.
<br />IIt tllCll' 11;tL11 I"LI st:Lt C, tiCl'n:Ll SOIIS SllppOl't a x00(1
<br />cover o[ ;;:dleta, 1mli:uL ric.egrass, biog. gr:LnuL, oral car.tas.
<br />]f irrigulul, Lhey con Ur, used for tilled craps. 13ce:ulso
<br />of rho suhst.rnfnm of (•o:u•so sand Inul grovel, these soils
<br />have a some\vhaC lmvet• n^ttcr-holding cap;tril.y than
<br />other soils iu l.Ur, v:Lllcy of Lhe lincompahgrc liver.
<br />Vernal clay loam, 0 to 2 percent slopes IVeA). 'Phis
<br />soil is 071 tcrt:aces. It has a profile similar to the one
<br />descriUcd as typical of t.hc Vernal sCl'ICS. 11'LOSt areas
<br />arc south :uul )vest ofi LUe to\vn of Tiontrosc.
<br />This soil supports a .Good cover of: golfers, Indi:ut ricc-
<br />nracs, blue mr:una, and cactus. 71, can Uc used success-
<br />fully for tilled. crops. It. I'C(lllll'Cfi frec]neul. irrigatioTt
<br />because COa1:5C hrlu•cl in t.hr. substratum limits t.ho )vatcr-
<br />holdiug capncil.y. (Capability Wait VIc-1 nonirrigate(l;
<br />IIIc-2 irri~*ated)
<br />Vernal clay loam, Z to v percent slopes IVe6).-'1'hls
<br />soil is at. tUc cdne of terraces. It has a profile similar
<br />to the one (lescribed :ts i.ypical of LUe Vernal series. The
<br />laP(,'CSt ;LI'C:LS RI'C SOllth :Lull \vesL of t.hc t.o\vn o{ Montrose.
<br />'Phis soil supports a good covm• of golfers, Indian ricc-
<br />g1:155, I)1t1C ,~,1°Ulla, ;lad CaCt.nS. If li'I'1gat.M1, ]t Call hC
<br />usc(l successi'ully for t.ille(1 crops, bal. it is somc\vhat
<br />more (lifGcult to irrigate than Vernal tiny IO:LIII, 0 to 2
<br />percent slopes. 73ccausr, of Lhc coarse gravel suUslantlun,
<br />t.hc )voter-sLor:Lgc rapnr.it.}' is n)r)drratcly lo\v, a.nd frc-
<br />qucnt irrigat.iou is rcrlnimd. (Capability unit \%Ic-1
<br />nonirrigatsd; 7TIe-1 irrigated)
<br />Vernal gravelly clay loam, 0 to 2 percent
<br />IVgAI.-This soil occurs as clonggate(l areas on tr
<br />parallel to river channels. It ]tas a rofilc Simi
<br />Lhe one (lescribe(1 as typical of the Vernal serif
<br />the snrfacc layer :uul subsoil are 15 to 30 percent
<br />and cobblestones. Dlost of the acreane is south ml
<br />of 1.hc to\cn of h[onLrosc.
<br />This soil snpporfs a goo(1 corer of galleta,
<br />1'ICCgI'a5s, b111C ^I'Nlla, alt(1 C;lCtlls. If ]rl'IgatC(1,
<br />Uc used for 1.illcd crops, Uut. the ~ra\•cl males
<br />difficult and is hard on f:u•m machinery. This
<br />not lil:cly to crudr, it )\•rll m:nlagcd. (Capnbilil
<br />V.ic-1 nouu•rigalyd; 71is-3 irrigated)
<br />Vernal gravelly clay loam, 2 to v percent
<br />IVgB).=This soil is mL allu\•inl Ierraccs. It Uas a
<br />similat• to t.hc one (lescribc(I as typical of the '
<br />sm•ics, Uut t.hc snrfacc. layer an(1 subsoil arc lv to
<br />cent ;;ravel and cobblestones. host areas of t.h
<br />:LI'C sOlltlt all(1 )\'CSt Of the t0R'Il Of j\'IOIItL•ose.
<br />'t'his soil supports a good co\•cr of g:tlleta,
<br />ricc.grass, Uluc grnma, and cactus. Sonic is tillr
<br />irrigated, Ultt spraulin;{ \L'at.et• ravel}' is dillicu
<br />cause of LUc slope. 11'ha•c. irri,:fation is successful.
<br />can be gro\cn. '1'hr, gl:avcl iu the surface layer
<br />tillage difficult. rand is har(l on f;u•m machinery.
<br />soil is not ]il:cly to erode if \ccll mm~a~cd. (Cap
<br />unit. VIc-1 nonirrigated; IIIc-1 irrigate(l)
<br />1Vct Alluvial Land
<br />1VeC alluvial l:uul IWaI v;u•ics \\'idcly in texttu•q
<br />of moll.ling, and glcping. 7t is flooclcrl fi•cqucntl
<br />Lhe o;LLer taUlr, is at. m• near the surface ]Host of the
<br />llrninagc is poor. Phis land Ll'pc occurs as fait•I~
<br />al'Cas :LlOllg old oxbo\v channels of the Gunnison
<br />:uld 16c lincnmp,Lhgrc Piver.
<br />'1'llis hind I.vln• a nut. suilnldLr fur lillago. ]1. su
<br />:L corer of \valer-Luler:ulL grass, \villo\v, luul sea
<br />cotton«'oo(1. (Capability unit VIIw-1 nonirriga
<br />~VOOdl'O1V Serie$
<br />1'Uc soils of t.Uc.lVoodron• series arc deep, \vell (li
<br />and modcr:Ltcly line textured. They are gt:asslnm
<br />that formc(1 on alluvial fans in mliform, calcarcr
<br />luvium (lcrived from mixr<l sedimentary rocl: rand ]'
<br />r.Cll L` dl!p051t$. SOllti DI 11115 fiCl'leti al'C IIIOd CI';Itcl}' exi
<br />in this Arca and occur principally in the Sh.'tvuno \
<br />1\roocU•o\v soils 11:LVL` e light Uron•uish-g]'Ity of
<br />grayish-Uron'n, frinUlc, granulat• surfaco layer 4
<br />inches f.hiclf. 't'hey hnvr, a Uro\vn or d:u•]c-Uro\\•u
<br />of clay loam Lhat has )ccaL•, suUnn~ul:u• Ulacl:y strl
<br />'1'hc substa•al.nnl, «•Uich Ucgins 20 to .40 inches bel~
<br />snrL•tro, is bro\vn or (L•u•L--Uro\en, calcareous clay
<br />In some places the SI111.SI'I;ltllnl has n•c;d: accunnl.
<br />of second;uy calcium c:u•bmuttc. '1'hc depth to b
<br />gmlcrally is 00 inches or more.
<br />'1'Ucsc soils arc only moderately susceptible to c
<br />'1'hc organic-matter contrnt is moderate, an(l the
<br />Lnrc. is modcralcly slablr..
<br />'Typical profile of A'oodro\\• cln}' loam, one-
<br />milc casC of Lbc sonl.hn•est corner of the S1J1/,1 of
<br />'1'. dS N., I1. 10 W. (Atontrosc County)
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