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<br />SOIL SI;F1'E]'
<br />I;Oil: U't,;,j UJt Ill a fet': ,: rC;15. .-\Il~!;It :? pi•rCr Ll VC 11115
<br />unit is induced areas of St:;nner Ia:n1. S t•) t; Percent
<br />Slopes. alai a~,out ]5 perieat :Ire: s o` Lu!:o:: k;t::, S to
<br />P:::.att is e:•;rierate.'fl:c er~,:i;•:; hazard i== ril:.
<br />'L i:i< <na I: LI£Fil 1:7y•.it' !4i' !' :L'2 :I:i~; P,';'li.: !C iL;ll)I-
<br />tat (:'._.:;). G:{~a!r,!;:c c::it \'ll~s-S co::irri_:,:e is Limc
<br />G Cf'1'a l'rl `PI'I1`p
<br />1~I:e Gerrard Series cor.sisa of sn;nc•sl:et I,oorh'
<br />drai:::d i~r I~oraly drau:e~l soils 13 b) •?~) inche? deep
<br />Deer =curl :nul cracel. These =~.~ils 1'ormerl is al!ucium
<br />al 19'r: terraces flood p!ains.:u;d allurial fa:;s. Slopes
<br />arc i! t.i 1 percent. E!ecnti•)^ i< 7,rn0 to ~,oliQ feet.
<br />\atural ce~ctatii~u is domin;wtlc sed;_c=. Hobe:,
<br />tuned h;rirtras<, :Lod +viid iris. The aces^_e :uwual
<br />precipitation is about ~ ind;e>. t!r mc:ul ;~cnual air
<br />ten!p•~r:llure is abi,nt ~I1` 1', anti the frost-free season
<br />is O.i to 110 dal s.
<br />Lt a representntiee profile the surface lacer is cerc
<br />darl: gra}' lo:un about 1~1 inches thick. ]e is mottled
<br />~•:itii bcu•.cu in the la+:er h~:u'l. TLe unaerl)'ing material
<br />is cet.c ~racelly la;uny sand that e~teurl5 to a rleptlL of
<br />GO incites or more.
<br />I'ermeabilit+' is nuxlcratc.:u:d tl:c acailal)!o water
<br />capacit}' i; ]nrilera.tc. I:eacticn: is I:cutt:^l o]' mildl}-
<br />alkalnle. The efiectice tooting depol is 7'? to -'0 inches.
<br />Dep,!I In ti:e seasonal high tr:aer hLD!e is about ] to
<br />1;'~ feet. 1'he table is highest late in spring and in
<br />suiwltcr.
<br />'these soils arc csed for irrigatxl meadoo:, i:.
<br />crops. and range.
<br />P,epresentatice pro5'.e e: Gerrard loe.m, ? r.
<br />south ^.nc! 30 feet east of t'r:e 110rtiltcest corr.e:
<br />All-0 to ~i irc.c?; Fsa (i4YF. :,'1) loa-:, t~rr (_
<br />(1'J ]'C Erl) r:c:s:; s: r,?-.~ f.::c Fl~o~~!~:~ z:
<br />lice: c!r:.r r.•:octh bv~r.r.a:-:.
<br />.al?-~ 1017 irci:rs: Fla>' (10 ]'F; i; 1) 1^al::, t~c:v t'_
<br />(10]'F. v/1) 1::0:::; ccr:n:or n:~:di u.^.7 <!l s::~
<br />tI^:, bra'.vn (S..i ]'F. ;!;) c,cis:; to-;: i
<br />e.^cala- bloc}:c s: tLCUre pa Cil:F l0 r
<br />rm,!iu:e; 6ranu!a:~; I:ar.'., t'rrp friabl,; .
<br />Fraduml v:avc boc:ulary.
<br />IfC-ld to EO inches; err)' Fracrllp loaaq' card.
<br />Tire A I:•?:~im^ is 12 l0 '?•) inches thick and is ?~;
<br />Fray and t'ep' dark brou~n to Llack loam or IigS; c;:
<br />TL•c c0uttnt o' Frc"'cl nr.d coLLlc; abocr the I[C
<br />tarots froar 3 to ]5 pt: ctr:.
<br />Cc-Gerrard loam. TILis nev'ly level Boil oc
<br />low terraces, flood plains, and alluvial fans alo
<br />F.io Cirmule and its nln,ior h•ibutaries. Slopes a.
<br />1 percent. 'the soil is subject to flooding in mau}'
<br />during spring and sunuuer when runoff is higi
<br />meltincr snow' in the mountains. The ~t'ater t.
<br />about 12 to 7S iuche5 be1oL~: the surface in spri.
<br />summer, but gencralh' drop; to the gravel subs'
<br />in winter. About 70 percent of this unit i; it
<br />areas of Shawn lo:un, 0 to 1 percent slopes, nnci
<br />10 percent areas of Alamosa loam and Tm;ic
<br />loam.
<br />F.unoff is slow. The erosion hazard is slight.
<br />This soil is used mostly for irrigated meadot~.
<br />gated meadotcs are cut for ha}• or used for gl
<br />Some areas are used for culticaterl alfalfa xncl
<br />grain. ?, few areas are used for range. Capabilii
<br />1\•'w-1 irrigated, VIrr-3 nonirrigated; \Pet ;\1
<br />]:vtge site.
<br />Grar'cl Pits
<br />Gp-Graccl pits are o, en escacatious from
<br />gravel ha; been obtained fur roadbuilding.
<br />Gra}'11oiLLt Scrics
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<br />The Craypoint series consists of cell drain<_
<br />10 to 20 inches deep Deer sand and gravel. Tl:er
<br />formed in gravelly alluvium on alluvial fans.
<br />are 0 to 1 percent. Elevation is i,G00 to S..i':"
<br />\ahu;ll vegetation is dominantly blue gr<<~'=`
<br />nnlhl)', scud drop5eed, and low rabbitbres:.
<br />:+.L'eragz annual precipitation i; about i i:~cl:'=
<br />mean annual air tenn)erahu'e is about 91` F,
<br />frost-free season is y.i to 1G5 days.
<br />]n a repreaent:itive profile (fi?. d) the nufac`
<br />is car}: grayish broc: a gracell}' sanrlc loam ;
<br />inche.; thick. The st:bSOiI is darl.; hrou'u gra+'e!~:~
<br />cla+' love about G inches thick. The nlbstrat;,~
<br />inche_ of dark yellot+'ish brown gravelly sane:..
<br />Deer sand and gra.cel ti]at exteni5 to a deptl`
<br />inches or more.
<br />Pernleabilitc is moderate, and the available
<br />capacit}' i5 low. I'.eaction ranges from mildb' r''!
<br />Page 1 of G ~
<br />Fi; urc 3.-Land:-cape o! Cari;a eoLLl; loam. .', to °_.i prrceut
<br />.lope.. :Lug. i~q: I; pi, vl ,r~rl ali~~n of ,•in lcrla t, lo~~ ra LLil LrueL,
<br />anJ ~rassce.
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