IDENTIFIERS

  • Current Taxon Name (Soil Name): Sitcan
  • OSD
  • Series Extent
  • User Site ID: 92CO628005
  • User Pedon ID: 92CO628005
  • Vegetation Plot ID: 92CO628005
  • User Site Association ID: lan628-2003.6PuebloSSO_type
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 03N0755
  • NCSS Pedon Lab Data NASIS Record ID - 16201
  • Print Date: 5/4/2025

    • 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: 37.4970278
  • Std. Longitude: -103.4123333
  • Datum: WGS84
  • Township: 29 S.
  • Range: 54 S.
  • Section: 25
  • PLSS Details: 200 feet south and 2400 feet east of the northwest corner
  • Location Description: 200 feet south and 2400 feet east of the northwest corner of section 25, T.29S., R.54W.
  • Map Unit: Sn—Sitcan fine sandy loam, 1 to 4 percent slopes
  • State: Colorado
  • County: CO071—Las Animas
  • MLRA: 69—Upper Arkansas Valley Rolling Plains
  • Non-MLRA Soil Survey Area: CO628—Las Animas County Area, Colorado, Parts of Huerfano and Las Animas Counties
  • 7.5 Minute USGS Quad: 37103-D4—Icehouse Canyon, Colorado

    • PEDON

  • Describers Name: LAN
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Aridic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 590
  • Correlated Information:
  • Soil Name - Sitcan
  • PSC - 38 to 84 cm.
  • Classificaton Date - 6/12/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Sitcan
  • Classificaton Date - 4/10/1992
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from interbedded sedimentary rock
  • Landscape: canyonlands
  • Landform: fan
  • Hill Slope Profile: footslope
  • Slope Position: upper third
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/10/1992 (actual site observation date)
  • Air Photo ID: 1-62
  • Plant Association Name: Sandy
  • 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
    • 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 % % % % % % % % % % % % %

    BCk

    Bk

    84

    102

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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

    BCk

    Bk

    84

    102

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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 %

    BCk

    Bk

    84

    102

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    3

    5

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

    ARLOG

    BOGR2

    CHRYS9

    OPIMI

    PLJA

    SPCR

    Aristida longispica var. geniculata

    Bouteloua gracilis

    Chrysothamnus

    Opuntia imbricata var. imbricata

    Pleuraphis jamesii

    Sporobolus cryptandrus

    slimspike threeawn

    blue grama

    rabbitbrush

    tree cholla

    James' galleta

    sand dropseed

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

    mollic epipedon

    argillic horizon

    0—38

    38—84

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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

    3

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    1445

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    90

    356

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    11.7

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    10.6

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    A—0 to 25 centimeters (0.0 to 9.8 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; fine sandy loam; 15 percent clay; weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; moderate permeability; 10.0 fine roots throughout; fragments; noneffervescent; neutral, pH 7.0, hellige-truog; clear smooth boundary.; moist when described;
    AB—25 to 38 centimeters (9.8 to 15.0 inches); brown (10YR 4/3), dark brown (10YR 3/3), moist; loam; 20 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 10.0 very fine and fine roots throughout; fragments; noneffervescent; neutral, pH 7.2, hellige-truog; clear smooth boundary.; moist when described;
    Bt1—38 to 70 centimeters (15.0 to 27.6 inches); brown (10YR 5/3), brown (10YR 4/3) crushed, moist; clay loam; 29 percent clay; moderate fine prismatic parts to moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; moderately slow permeability; 5.0 fine roots throughout; 45 percent distinct clay films on faces of peds and in pores; fragments; noneffervescent; slightly alkaline, pH 7.4, hellige-truog; clear smooth boundary.; moist when described;. continuous - phpvsfiid 111103; continuous - phpvsfiid 111103
    Bt2—70 to 82 centimeters (27.6 to 32.3 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; clay loam; 31 percent clay; moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; moderately slow permeability; 5.0 fine roots throughout; 35 percent distinct clay films on faces of peds and in pores; 7 percent by volume nonflat subrounded indurated 2-39-75 millimeter unspecified fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, hellige-truog; abrupt smooth boundary.; moist when described;. patchy - phpvsfiid 111104; patchy - phpvsfiid 111104
    BCk—84 to 102 centimeters (33.1 to 40.2 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; sandy clay loam; 22 percent clay; weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; moderate permeability; 1.0 fine roots throughout; 1 percent medium distinct threadlike carbonate masses throughout; 1 percent by volume nonflat subrounded indurated 2-39-75 millimeter unspecified fragments; violent effervescence, by hcl, 1n; slightly alkaline, pH 7.8, hellige-truog; abrupt wavy boundary.; moist when described;
    Bk—102 to 180 centimeters (40.2 to 70.9 inches); light yellowish brown (10YR 6/4), brown (10YR 4/3), moist; loam; 22 percent clay; weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; moderate permeability; 0.5 fine roots throughout; 2 percent fine and medium distinct threadlike carbonate masses throughout; 1 percent by volume nonflat subrounded indurated 2-39-75 millimeter unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog.; dry when described;