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EXHIBIT I - 6 BENT COUNTY, COLORADO
<br />to mmlcrnfe, flue, gramtlnr; very hnrd tahen dry, Srm
<br />whrn moist; strongly calcareous; clear, smooth
<br />Lnund a rr.
<br />,11.?-. to 111 inrhrs, grayish-bron•n (101"R ./2) r1aY loam, t•rry
<br />da rl: urn Gish Lrnwn (lOYIt a/'1) when moist, dark
<br />;:rtyish brown (111YR d/'?) if crushed whrn moist;
<br />stntrtnrr Lrrn la frmn weal: and moderate angular
<br />61ncl:y to ntndrrafr, lint, subnngttlar blocky; eery hnrd
<br />tcbru dry, lirw whrn moist; strongly calcareous; clear,
<br />sumnfh bounds r}'.
<br />.\C-]0 fn 13 inchrs, bmtan (l0]R .'i/3) clay lonro, dnrl: brnn~n
<br />(l0 Y». 3/3) when moist, darl: brown (lOYR 9/3) if
<br />crushed whrn moist: wen k, con rse, subnngnlar blocky
<br />ctrnrtnrr to nmssicr; hnrd when dry, Yriable when
<br />uwinl.: cl ruugly ra lro trans: rlrn r, suuudh Lau nda iy.
<br />C'1--13 In '! inrhna. light }'cllowish-brown (lOYlt G/4) clay
<br />loam, yrllmvisb brott'u (10)'R v/4) tehen moist; hnrd
<br />tvhcu dt;v, frig Llr w'brn moist; eery strongly rnlrare-
<br />nns; rlrnr. smooth bmnularp; 10 percent oC surfnre
<br />rehire I101'R v/•r) limy sPMs.
<br />C'^_ra-:r! to .0 inrhrs, white I lOYR S/^_) loom, Ilght. rrllnwish
<br />brnn'u (lOYR f/4) when moist; mnsslcc; sligLtly hard
<br />whrn der, crt;c Leis Llr whrn moist; err}• strongly
<br />ra lea rronc: rlra r, smooth Lmmda rv.
<br />(:d-.0 fn GU inrhrs, vrry pa lr Lrmvn (]a]R 7/3) en ndy clot
<br />Inant, Lnnrn (111Y1t ~/a) whrn moist: utnssit'r; hard
<br />whrn ~h•}-, friable whrn moist; rer}• strongly calrnre-
<br />rrns; few n'hilc (101-R )i%_) lima spots.
<br />'I'hr :\ hnrivm is rilhrr rln}' Ir~~m nr silly clay loam. tt rnngrs
<br />from S Ir, I'1 inrhrs in thicl:ucss. 1'hc AC horiznn rmtgcs frmn
<br />"~ to 1 ~ inrhrs in thin l: ores. 'Chr depth to fhr white Ccn hnriznu
<br />r:nigrs frmn 1.1 to 32 inchrs. Tlrrre arc no inhibiting layers of
<br />Ltd rrs•I: tcilhin n depth of 1;0 inrhrs.
<br />\uum srrilc nrr finer trxhnrd in fhc C horiron loan ICnrit-
<br />mmt coils. They diner Yrnm Rocl:y Ford soils in having a vrry
<br />Iiun' la ccr in Ihr suLsh•atunt.
<br />Numa clay loam, 0 to 1 percent slopes INmAI.-This
<br />aril or~'nrs ns arras 1011 netts m• mm•a in size north of the
<br />\rhnu~as Ricer. If has the profile desc•riberl ns t;cpir,tl for
<br />fhr ~rrir~, lurludrd in mapping terra amts ol` Nrpe~ht
<br />else loam, arch= nC ]lncl:y Ford clay ]cant, and small
<br />a leas n f N» ma c•la t• loan], l to " percan't slopes.
<br />'I'bis soil is tcel•I soiled M all crops locally ~rrotcn. It is
<br />III_I Illllatlll':Il tl'1'IIIItC.'hIIPtPIItPI'-]Iltal;crntelsmodrratc,
<br />and the water-holdi»~r capacity is high. P.uno~ is slotc.
<br />'I'hr rrrnion haza:•d is slight.
<br />.\11 of t.hr, arrca_c. is irrigated. tattling ma.l:es nnifnrm
<br />appliralinn of irrigation tenter easiet•. 1'intrly rullication
<br />is imp~n'Innt iu prccrnting rl»ddiug earl compaction.
<br />P;n'ut':uvl nl;nnn'e, and glean-manure, crops improca
<br />feel ilil e, presrrcr. lill.h, :nul re.plrnisb the. supply of
<br />m,¢nnic mnttr•r, (Cnp:rhilif}' unit Its-1, irrigated)
<br />Numa clay loam, 1 to 3 percent slopes (NmBI.-This
<br />soil ortcnts as irregularly shaped areas, generally mm•e
<br />Lh:w ]00 sorts ir. size, north of T.hc Arhansns River. The
<br />snrfnre. I:n'rr is Itbnnt s iurhos tDirlc. included in umpping
<br />weer spOtS Of NapPStll Clay ]a0It1, OIl the 1nOPO lleal'ly level
<br />:u•r•as; sl,nls of Runlty Ford el:n• loam, ~mner;tlly nn sli;,rhf.ly
<br />higher pares of t.ho landscape; and areas of Nnnla clay
<br />lmun, 0 to 1 percent slopes.
<br />Phis soil is hip;h in natural fertility. It has a moderate
<br />wafer-i»fahc r•nta earl a high v-afer-holding rnparit.•y.
<br />Rnnnlf is medium. The erosion hazard is slight to
<br />mndrrntr•..
<br />.\II of the aerraga is irrigated. Lrcelin~ melees uniform
<br />application of irrigation tenter easier. Timely cultivation
<br />is important in preventing clodding and compaction.
<br />ISantynrd manner. and groan-mantra crops inlprovo fer-
<br />tilit;v, preser•va filth, and replenish the supply of organic
<br />matter. (CapabilityunltIIr`],ir•rigatcrl)
<br />23
<br />Noma clay loam, wet, 0 to 3 percent slopes INuBI.-
<br />This soil occurs as low-lying, irregularly shaped areas,
<br />generally less tbn.n 40 netts in Biro, 1101'tlt of LIIa 1\I'haI1SffS
<br />Il,ivcr. It receives runolf from surrounding areas. The
<br />surf.•tco ]a}•er is about 3 inches thick. Included in mapping
<br />were spots of Rocky Ford clay loam, on slightly higher
<br />parts of the ]andscapq and small arc.•ts of Numa clay loam.
<br />'this soil is wet and cold and Iworly aerated, but it is
<br />eltsy to worl: and is high in natural fertility. Rxcess water
<br />bas increased the salts content:
<br />i\fost of the acreage is irrigated. Leveling and drainage
<br />:ur: needed. (Capability unit IIw-1, irrigated)
<br />Numa clay loam, sand substratum va]•iant, 0 to 3 per-
<br />cent slopes INvel.-This soil occurs as irregularly shaped
<br />areas, genaalh• between 20 earl GO a.cras in size, north of
<br />t.ho :1rl:ans•ts Piver. The surface layor is about S inches
<br />t.bicl:. The depth to sand ranges from 20 to 40 inches. In-
<br />cluded in utapping were spots of Rochy Forrl clay loam,
<br />nu slightly hi that parts of •t.he laurlscape; a fete spots of
<br />Nepesta clay ~oam, on oearly let•ol, slightly lower parts;
<br />and ;u•cas of Numa cla}• loam, 1 to 3 percent slopes.
<br />'1'6is soil is mrnlet:•tte in nntnral fertility. It. bas a mrxl-
<br />r.r:dr. water-intahc rate but., bcautsc of flit slwd substt:•t-
<br />tnul, a linlitrd water-holding capaait}•. ltunolf is mcdinm.
<br />'t'he erosion hazard is slight to nuxlerake.
<br />The. entire. nr.r•cagr is irrigated. Leveling »mhes uniform
<br />npplirnt.imt of irrigat.im] water easier. 'Timely cultivation
<br />is important in prarrnt.ing clodding and compaction.
<br />lln.rncard manure and rrecn-manner, crops inyuroce fer-
<br />tilitc, preserca tiltli, and replenish t.ho supply of organic
<br />w;ltirr. (('apnbilit.}' Wait. IIIc-1, ]rrtgaterl)
<br />Olney Series
<br />'I•Im Obmy sm•irs consists of nearly local to gently slop-
<br />iug. ricep soils that era strongly calcareous below a depth
<br />of a.bmtt 1L to 2f inches. Theso soils arc on uplmnls in the
<br />north-central pmt ofl.hecounty.
<br />In a typical prnfila the surface laym• is ~t:'t;\'isb-brown,
<br />11111C-fI'CC SRIIdY loam ah0llt .9 inches t.hicl:. The sub=oil is
<br />brno'u m• pale-~r»tt•n sandy clay loam about 10 inches thick.
<br />Tt. is nonlimv in the up cr part, and limy in the lower pat•t.
<br />It has a distinr.t.icr, well-formed, nmdiunt, prism:dir, strnc-
<br />Inre. The. nndcrl}'iug undot•ial is pole-bt•oo•u lu:uuc sand
<br />to silt loam.
<br />(llnry soils me nahn:nlly tcrll draincrl. Interne drnin-
<br />agr. is rapid, prrmrabilit;y is nmdcrately rapid, nod the
<br />water-holding cnpncitt' is moderate to high. Natural for-
<br />tility is moderato to hi_•h. 1Vatcr• crrosion and soil blotting
<br />nra hazards. The hazard of blowing IS pal'tlclllal'1}' ..4`I']Olls
<br />i L' Lbu ve;,retatit'o cut'm• is iuadcqu:ute.
<br />Fur the most part,, Ibase soils are used as range. Some
<br />areas were. dn•fnrmerl and then abandoned because of low
<br />rainfall. Somo hate been planted• to grass. Others halo
<br />Iaaut »rgleoterl, earl t.bc vegetation consists maiul}' of
<br />heeds.
<br />Typical profile of an nlucy sandy loath (1,°30 feet. ttcst
<br />;uul• 100 feet south of NP. corner sec. 10, T. ~l S., R.
<br />u 1 1P.)
<br />.11-0 to 4 innc~s, grnyi~b-Crown (]OTR 6/2) sandy loam, dark
<br />grayish Lron•n (lOYR 4/2) tehrn moist; weak, fine,
<br />gr:nmlar struct.nre; soft when drR rrt;v friable when
<br />moist: nmmalru coons; rlrn r, smm~fh bounds r}•.
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