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SOILS
<br />Dacono Series
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<br />The Paconn scrips consists of Well-drained. nearly
<br />Icvol s„il: on terraces. Tllcsr soil= fnrnlcd hl Ir,;uu,' a11n-
<br />ciuui tllnt m~erlirs s:uldy and gravelly allnyial m:ueriak.
<br />In n representatiyr profile. thc• sarfa~'e ]nyer i= ~rayish-
<br />brm,n mt<I dark gracish-bromi loam al,ollt 9 inches
<br />thick. It is nmlralcarrous. The ul)],er part of the stthsoil
<br />is gracish•bro„n clay about R arches thick. h is nou-
<br />calcareona. Thc ]o„'er part of the sulFnil is light hroc,-n-
<br />ish~¢rac sand}' dad loam abmrt 5 inches tbs.•k. It is
<br />rnlrarrnn=, and mach of the lime is yisihlr as rehire
<br />splotrhrs. Tho underl~'ing material Ix•rins at a depth of
<br />abort " inches. Thr npprr pals i= ralrarrna:, bro,cu
<br />roara• sand}- clnc loam and cnai:~e Joann' =and that ron-
<br />taine about ]0 percent fiur and nialinm grand. Relo~-
<br />a delub of °:, inches, for tmdrrlcin_ ninirrial is loose.
<br />li;*ht.brnan laud and graces.
<br />I)aronooils absrn•b a-ater sln,ch~. and their available
<br />,cater rapacitc is moderate. Pernirabilitt' is slm.'. The
<br />soil= err snitaLle for toots to a depth of about 3d inches.
<br />Dacono loam. 0 to 1 percent slopes (DcA).-This soil
<br />has the profile described ss representative fm•the series.
<br />It contains 3 to 15 percent grace! in the surfatr In}'er
<br />and sltlroil, and it has a scud and gravel layer bet,reen
<br />depths of 20 and IO utdles. Runoff is sloe. The hazard
<br />of ,eater crosiou is slight, but the hazard of soil blotc-
<br />utg is moderate if field; arc not protected he crops or
<br />residue. Included in niahpiug are some small areas of
<br />Sataua loam and a fe,v shall ~rncel spots.
<br />Scarf all of dtis soil is culti~'ated and irrigated. Thc
<br />soil is ease to [ill and is well suited to h'uck farming
<br />!fig. 5). Capability unit IIIs-3. irritated: not placed in
<br />a range site: tree planting suitnbilin' group 1.
<br />Dacono loam, 1 to 3 percent slopes (DoBi.-This soil
<br />has a profile that is similar to the one dcvribcd as rep-
<br />resentative for the series. but it has a thinner surface
<br />lacer and subsoil. Runoff is medium. and the luzard of
<br />eater erosion is moderate. Thr hazard of soil bioaing is
<br />moderau• in unprotected fields.
<br />EXHIBIT I
<br />Loamy allutial land, moderately w'et It HI is in man}-
<br />dranlageti:lyS throughout the coant~. It is plydominanth'
<br />in the. broader dratnage,vacs that 6avr a high water
<br />table and that formerly had poor draiua;tr. Thc• algal
<br />arc broad in the larger and mm•,• grnik sloping drain-
<br />agc,va}'s, esperia:l}' in the fiouth Platte Ilirrr hotfoot.
<br />All are subject to damage, in carving degires, be fltwd-
<br />ing from adjacent slopes and main stream channels.
<br />Htclnded in Wrapping arc shall arras of Stnm !aim.
<br />Satanta loans. 1Tet alluvial land. end I,oamc alluyisl
<br />land, gracclh' subsUahlm.
<br />Thr .coil= :ur moc6a'otrl~' deep. i:vt_ing from 37~ to A6
<br />inches in depth, over unconsolidated sand and grn,'el.
<br />Thc,- are dark-colmrd loam to clae loam in tesntrc
<br />and•gcneralh' are shatified. Thee are norulalh' nonc~!-
<br />caroms, but they are modcratel~ inflnenred sic soluL[e
<br />salts in places. Thin tenses of scud. silt. m• fine grarel
<br />mn~' be m arc of the layers.
<br />The soils of•this land type ahsmh ,cater at a ntndrrate
<br />to slot,' rare, and the A,ml{able ic:ucr rapm•ity is high.
<br />artificial drninagr is _encrallc Warded to grmc crops.
<br />Xatural fertility is hi~b. but under t6r intr~sirr• ulan-
<br />agrmrnt used on these soils. artitirial sapplrments are
<br />ucrdc•d.
<br />Yost of this lanes tt'pc is irri_at,•d. In fhrw arras.
<br />crops ..=.nrh as sugar bert$, rm•n. small grains. foul ,r_e-
<br />tnbles can br grown. Alfalfa and irrigated pasture are
<br />,cell adapted. R'estrrn u'hraJrrass, saltgrass. bhm llama.
<br />and sn'itrhgrass ate gro,cn in scour an•a=.
<br />Terrace Escarpments
<br />Terrace escarpments lTcl occur as breaks nr steep
<br />Sldr slnl,es 1d]aCPltt t0 the r11anI1P15 Of prP5P11t m' fnt•mer
<br />streams. Thrv also occur ns the steep fares of ternres
<br />that border Iwttom lands nud flood plains.
<br />This land tope consists of alluvium of t'ariable materials
<br />and is rrrc ::hallo„ o,'rr gra, rl and sand. These materials
<br />have a h:nn, sand or sonde loom surface Inver. In many
<br />areas this lacer is :) to °0 percent gracrh `;hale and sand-
<br />stone ouo•rups are in srnnr arras. Indudcvi in mapping are
<br />care sma'1 a ryas of a Tnnn loamy send, a Tona sonde ]alto,
<br />and a Da; ono loam. all Koorl soils for farming.
<br />Thc stu'face layer varies in reaction from plain to
<br />place and in laces is calcareous. Slopes differ nidelp
<br />tclthin short distances and range from 1 to 80 percent.
<br />Some areas are used for grazing, but the soils am too
<br />steep, too shallo,y, or too nnstahlc for cultivation ar
<br />good glass management.
<br />Much of this lend type is rapidly being milled for
<br />sand and gravel, and thereafter is not usable for fa~m-
<br />ing. Such areas are used as n dumping ground or an
<br />back filled kith better soil material m places. ]fnny
<br />areas of this land t}'pe are ,cell spited to housing oe
<br />industrial detelopments or high,ya}• ]ocntion. Prior to
<br />use for these purposes- ho,ceyer, the stability of the soils
<br />should be determined because of slope or lack of binder
<br />soil particles. The soils normally hale good bearing
<br />capactty for foundations. lo,y shrink-s,rel] properties.
<br />good nature] drainage, and a inn' hazard of hydrohsis
<br />for buried mete] pipe. Open ditches fm• transporting
<br />reefer are not stited because of rnpid seepage.
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