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ExNi3~`C "~~
<br />Uh•JITED STATES
<br />llF_F'AFiTMENT CiF
<br />AGRICULTURE
<br />SAIL
<br />CUNSL=RVATIiJh•J
<br />SERVICE
<br />~~
<br />p,p, [,iii: :_L'
<br />WE5TCL_IFFE, C:i7. =~1 =~
<br />FeL-ruary r_., 1'=,_•;,
<br />Mr-. Walter Alden
<br />l~le5'tcliffe, C:ii, =,1~5~'
<br />C.la ar- Mr-. A.I den:
<br />T}~e fc.l lowing is iriforrnz~tic~r~ which yc~u requested re:aarding tt~e
<br />rec I ari~at i..r. c~ F a grave. I pit I ~~rat?d i n tt;e part ~~ F the SW1/4 P1!~J1!4 ~~f
<br />Sectior, :_:ir, "i~~wnship ~"- South, Range 7'~ West of tF~er',th F'r-inclple Mer-idia.r~,
<br />C:irster- C:~_,ur~ty, C:olc~r'ad",
<br />Tti? col Is ire this ar-aa cc~r~sist mainly c.f a Si Iver-cl iff Cc~bt~ly Sandy
<br />Learn with 1 +. .. 4 p?rr-erit =,I~~pes aril are Alvar-a~jn very coL'~I:~ly sandy loam with
<br />to 6 F~r~r-~er~t =_.I r.~~,es.
<br />The Si Ivey C.I iff soi I is deep, wel I drained ar~d has rn~~d?r-3t?Iy rapid
<br />perrneaL-~i i+;y. Tt~e surface layers ar-e 3r'ayisti t~rown c~~bl~ly sarnjy Ic~ain to
<br />depth c.f _ inches; ever ~~ inches; cif ver-y gravel ly sandy loam. The subsurface
<br />cons i sts cif str-at- i F i ed, very grave I l y =_.ar~dy I oa.rn, very grave I l y sand, I oarny
<br />s ai~i±I a. rid cc~t~b ly Ic~arrn to a de~ptl~~ of at least r.ir ir~c hes. TY~e sails are mildly
<br />tc. moder-ate{y af4::aline and caVcareous. The use of this particular- .;_~il as a
<br />s:~ur-ce cif' sand c,- gavel is sc~rnewllat I united due tc~ tt~e pr-eser~ce c.f t~e'tt?r-
<br />develr,pe~a ~~r I~~arnier type s~?ils rr~i:;r-d in with the eeL,ble and gra•1?{.
<br />The Alvar-ad~~ -coil i= d~~eF~ ar~d poc~r-ly dr-air~ed wii:fi a ch~ar-acter-istically
<br />h i gh~ water- 'Cab I e dur i n3 spr- i rig runo F F and the snrnnr~r- i rr- i gat i on sen.son.
<br />F'er n~eab l i I ty of tl-. I S sip ~i I i s rn~~derate and the ava i t ate l e dater- too l d i r.
<br />capacity is Ic~w. Tt is slightly acid to a depth ~~F 1~ inche=, r.eutr-al fn a
<br />depth ~~f 41 inches and mi Idly all::al ine below that depth, The use of
<br />Alvarado s~~i Is as a ~~~ur-ce fair r'c~adfi I I rn3ter13l is fair, being I united try
<br />ttiE:• presence cif l ar-gr--_ stun?=_ . ]: 'C i s are irnr~rc~t~ab l e source of sane ar~d _;r-n.ve l
<br />due 'the e;:ce:;sive arr~nur~t of fire material pr-~ser~t.
<br />Tt~e rya+.ive Kiotential vegeiation Gr. tYiis site sh~~uld consist mainly of
<br />C~;~!I SBa'~~iR ,jra55B3, Sed3e-~ and rush?5 such a5 s18nd?r .:hieatgras;, t~lue-
<br />joint. r-?ed ;;eas=,, ~L-ufted hair •;r-as=., Net~ras4::a sedge. oval head sedge and
<br />L-:a.l't i r rush. :(n add i .t i ~~r~ tip this, severa I fc~rb ail<I shrul_~ species may be
<br />t:gyres?rat i n.. I ud i riy' sever-a.l sF~ec i es c.f ~:~ i l l ow, alder-, 5hr'ut~try cinquefoil ,
<br />arri~wgr-ass and w i l ~1 iris .
<br />Since this particular area ha=_. t~eeri irr-Igated a.r~d seeded to imF~r~~ved
<br />:.-jr-ass var- i et i es, rn::any, i f riot all , ..f thie r:at i ve p~~ter~t i a l s?ec i?s I-:a•re
<br />Leon rernov?d or err_~~,dded ~~rst due to [`iar~ges in the cultural rnanag?rnent of
<br />the field. L-:ecause of this, ~:~orninant plants loca.ter! ,.n i;he site m~~st likely
<br />inr:lucla srnootli br-r_~rne~r-,-,.s:s, redt~~p~, timothy and s?,~eral weed species suct~ a.s
<br />car'a`d3y and dar~de I i or.. I am r~c~t ab I e t„ make a field 1 Hues+. i gat i on at th i s
<br />t irr~c C-u daterrr~i ne tY~E:• ;pec i?s cc~rnpos i t i ~~n t~ecause cif sr~c~~.; c :ever but. i n the
<br />de Vi' i~pr0 ~~nt ~ 3 r'P~iagr',`, a't I ~~ri n I all, I't .. i I I L? aSSLIrfIPd th•i.t tj{e '.~r3Y+, 1
<br />rniniriy oper-aCi~~n wi I I tie r-eclairned as ar: irr-i~aate±i pasture ano hayland
<br />field and species will tie ..elected acr_c~rdir~:jly.
<br />F'age 1
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