IDENTIFIERS

  • Current Taxon Name (Soil Name): Wapiti eroded
  • OSD
  • Series Extent
  • User Site ID: 96CO628033
  • User Pedon ID: 96CO628033
  • Vegetation Plot ID: 96CO628033
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 97P0584
  • NCSS Pedon Lab Data NASIS Record ID - 10265
  • Print Date: 3/2/2025

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 37.1799722
  • Std. Longitude: -103.6117778
  • Datum: WGS84
  • Township: 33 S.
  • Range: 55 W.
  • Section: 7
  • PLSS Details: 200 feet west and 1500 feet north of the southeast corner
  • Map Unit: Wa—Wapiti loam, 0 to 3 percent slopes
  • State: Colorado
  • County: CO071—Las Animas
  • MLRA: 67B—Central High Plains, Southern Part
  • Non-MLRA Soil Survey Area: CO628—Las Animas County Area, Colorado, Parts of Huerfano and Las Animas Counties
  • 7.5 Minute USGS Quad: 37103-B5—Tobe, Colorado

    • PEDON

  • Describers Name: LAN
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Calcidic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 707
  • Sampled As Information:
  • Soil Name - Wapiti eroded
  • Taxonomic Class - Fine-loamy, mixed, superactive, mesic Calcidic Argiustolls
  • PSC - 23 to 74 cm.
  • Classificaton Date - 4/9/1996
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium and/or eolian deposits derived from sedimentary rock
  • Landscape: plains
  • Landform: fan
  • Hill Slope Profile: toeslope
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/9/1996 (actual site observation date)
  • Air Photo ID: 29-E
  • Plant Association Name: Loamy
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    A

    Bt

    Btk1

    Btk2

    Bk

    Akb

    Btkb

    0

    23

    36

    53

    89

    104

    152

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    A

    Bt

    Btk1

    Btk2

    Bk

    Akb

    Btkb

    0

    23

    36

    53

    89

    104

    152

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    A

    Bt

    Btk1

    Btk2

    Bk

    Akb

    Btkb

    0

    23

    36

    53

    89

    104

    152

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    8

    17

    14

    14

    14

    6

    6

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    Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARLOG

    BOGR2

    ELEL5

    OPIMI

    OPPO

    PASM

    SPCR

    Aristida longispica var. geniculata

    Bouteloua gracilis

    Elymus elymoides

    Opuntia imbricata var. imbricata

    Opuntia polyacantha

    Pascopyrum smithii

    Sporobolus cryptandrus

    slimspike threeawn

    blue grama

    squirreltail

    tree cholla

    plains pricklypear

    western wheatgrass

    sand dropseed

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    calcic horizon

    argillic horizon

    0—23

    23—89

    23—89

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    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    2

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    1838

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    7

    406

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    145

    11

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    A—0 to 23 centimeters (0.0 to 9.1 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; loam; 20 percent clay; moderate fine and medium subangular blocky structure; soft, friable, slightly sticky, slightly plastic; moderate permeability; 10.0 very fine and fine roots throughout; 2 percent by volume nonflat subangular indurated 2-39-75 millimeter unspecified fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6; abrupt wavy boundary.; dry when described; observed in trench
    Bt—23 to 36 centimeters (9.1 to 14.2 inches); brown (10YR 5/3), brown (10YR 4/3), moist; gravelly clay loam; 28 percent clay; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 2.0 very fine roots throughout; 45 percent distinct clay films on all faces of peds; 5 percent by volume nonflat subangular indurated 75-125-250 millimeter unspecified fragments and 25 percent by volume nonflat subangular indurated 2-39-75 millimeter unspecified fragments; violent effervescence, by hcl, 1n; slightly alkaline, pH 7.8; abrupt wavy boundary.; dry when described;. discontinuous - phpvsfiid 276224; discontinuous - phpvsfiid 276224
    Btk1—36 to 53 centimeters (14.2 to 20.9 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; clay loam; 30 percent clay; weak medium prismatic parts to moderate fine and medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; moderately slow permeability; 2.0 very fine roots throughout; 40 percent distinct clay films on all faces of peds; 5 percent medium distinct irregular carbonate masses throughout; 5 percent by volume nonflat subangular indurated 2-39-75 millimeter unspecified fragments; violent effervescence, by hcl, 1n; slightly alkaline, pH 7.8; clear smooth boundary.; dry when described;. discontinuous - phpvsfiid 276226; discontinuous - phpvsfiid 276226
    Btk2—53 to 89 centimeters (20.9 to 35.0 inches); light yellowish brown (10YR 6/4), brown (10YR 4/3), moist; clay loam; 30 percent clay; weak medium prismatic parts to weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 0.5 very fine roots throughout; 40 percent distinct clay films on all faces of peds; 8 percent fine distinct irregular carbonate masses throughout; 5 percent by volume nonflat subangular indurated 2-39-75 millimeter unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4; abrupt smooth boundary.; dry when described;. discontinuous - phpvsfiid 276225; discontinuous - phpvsfiid 276225
    Bk—89 to 104 centimeters (35.0 to 40.9 inches); brown (10YR 5/3), brown (10YR 4/3), moist; very gravelly sandy loam; 10 percent clay; massive; soft, very friable, nonsticky, nonplastic; moderate permeability; 0.5 very fine roots throughout; 2 percent coarse distinct irregular carbonate masses throughout; 45 percent by volume nonflat subangular indurated 2-39-75 millimeter unspecified fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.4; abrupt smooth boundary.; dry when described;
    Akb—104 to 124 centimeters (40.9 to 48.8 inches); brown (10YR 5/3), very dark grayish brown (10YR 3/2), moist; silt loam; 24 percent clay; weak medium subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; moderate permeability; 0.5 very fine and fine roots throughout; 10 percent fine distinct irregular carbonate masses throughout; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0; clear smooth boundary.; moist when described;
    Btkb—152 to 152 centimeters (59.8 to 59.8 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; silty clay loam; 32 percent clay; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderately slow permeability; 0.5 very fine to medium roots throughout; 25 percent distinct clay films on all faces of peds; 5 percent fine distinct irregular carbonate masses throughout; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.4.; moist when described;. discontinuous - phpvsfiid 276229; discontinuous - phpvsfiid 276229