IDENTIFIERS

  • Current Taxon Name (Soil Name): Platoro
  • OSD
  • Series Extent
  • User Site ID: S2000CO023008
  • User Pedon ID: S2000CO023008
  • Vegetation Plot ID: S2000CO023008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 00P1253
  • NCSS Pedon Lab Data NASIS Record ID - 12749
  • Print Date: 11/21/2024

    • 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: 37.3684158
  • Std. Longitude: -105.4406662
  • Datum: WGS84
  • State: Colorado
  • County: CO023—Costilla
  • MLRA: 51—High Intermountain Valleys
  • Non-MLRA Soil Survey Area: CO023—Costilla County Area, Colorado

    • PEDON

  • Describers Name: AJS, HWH
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, frigid Ustic Haplargids
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 8
  • Correlated Information:
  • Soil Name - Platoro
  • Classificaton Date - 7/23/2007
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Platoro
  • Taxonomic Class - Fine-loamy, mixed, superactive, frigid Ustic Hapla
  • Taxon Kind - series
  • Classificaton Date - 6/15/2000
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: valley
  • Landform: outwash plain
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/15/2000 (actual site observation date)
  • Air Photo ID: 6677-142
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: wind erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARTRW8

    BOGR2

    GUSA2

    OPUNT

    Artemisia tridentata ssp. wyomingensis

    Bouteloua gracilis

    Gutierrezia sarothrae

    Opuntia

    Wyoming big sagebrush

    blue grama

    broom snakeweed

    pricklypear

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

    ochric epipedon

    cambic horizon

    argillic horizon

    calcic horizon

    0—0

    0—0

    0—0

    0—0

    —-

    —-

    —-

    —-
    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

    1

    —

    —

    2400

    —

    254

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    —

    —

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    A—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2), brown (10YR 5/3), dry; gravelly sandy loam; 7 percent clay; weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; 2.0 very fine and fine roots throughout; 2.0 very fine and fine discontinuous tubular pores; 10 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; neutral, pH 7.2, hellige-truog; clear smooth boundary. Lab sample # 00P07316. ochric
    BA—13 to 28 centimeters (5.1 to 11.0 inches); brown (10YR 4/3), yellowish brown (10YR 5/4), dry; sandy loam; 9 percent clay; moderate very fine and fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.0 fine and medium roots throughout; 2.0 fine and medium discontinuous tubular pores; 25 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; neutral, pH 7.2, hellige-truog; gradual smooth boundary. Lab sample # 00P07317. cambic; 3% coarse gravels.
    Btk1—28 to 43 centimeters (11.0 to 16.9 inches); brown (10YR 4/3), yellowish brown (10YR 5/4), dry; sandy clay loam; 21 percent clay; moderate medium prismatic parts to moderate fine and medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 2.0 very fine to medium roots throughout; 2.0 very fine to medium discontinuous tubular pores; 15 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; slightly alkaline, pH 7.4, hellige-truog; gradual wavy boundary. Lab sample # 00P07318. argillic
    Btk2—43 to 61 centimeters (16.9 to 24.0 inches); yellowish brown (10YR 5/4), pale brown (10YR 6/3), dry; gravelly sandy clay loam; 25 percent clay; moderate medium and coarse prismatic parts to moderate fine and medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 2.0 very fine and fine roots throughout; 2.0 very fine and fine discontinuous tubular and vesicular pores; 20 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; gradual wavy boundary. Lab sample # 00P07319. ped surface features: CLF 25-50% F PF BRF (sand bridging) BG; concentrations: CAM 20% I 1-2 TOT CAM 10% T BPF; CCE: 10%; argillic/calcic; 6% coarse gravels.
    2Bk1—61 to 81 centimeters (24.0 to 31.9 inches); brown (10YR 5/3) and yellowish brown (10YR 5/4), pale brown (10YR 6/3) and light yellowish brown (10YR 6/4), dry; very gravelly sandy loam; 6 percent clay; weak fine subangular blocky parts to single grain; loose, loose, nonsticky, nonplastic; 2.0 very fine and fine roots throughout; 3.0 very fine and fine interstitial pores; 60 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; slightly alkaline, pH 7.8, hellige-truog; abrupt wavy boundary. Lab sample # 00P07320. ped surface features: CAF RF; concentrations: CAM BRF; calcic; 19.0% coarse gravels.
    2Bk2—81 to 102 centimeters (31.9 to 40.2 inches); light brownish gray (10YR 6/2) and light yellowish brown (10YR 6/4), light gray (10YR 7/2) and very pale brown (10YR 7/4), dry; very gravelly coarse sand; 1 percent clay; single grain; loose, loose, nonsticky, nonplastic; 2.0 very fine and fine roots throughout; 3.0 very fine and fine interstitial pores; 60 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; slightly alkaline, pH 7.4, hellige-truog; abrupt wavy boundary. Lab sample # 00P07321. concentrations: CAM BRF; calcic; 12.0% coarse gravels.
    2Bk3—102 to 163 centimeters (40.2 to 64.2 inches); dark yellowish brown (10YR 4/4), yellowish brown (10YR 5/4), dry; loamy fine sand; 4 percent clay; weak fine subangular blocky parts to single grain; soft, very friable, slightly sticky, slightly plastic; 1.0 very fine and fine roots throughout; 1.0 very fine and fine discontinuous tubular pores; 5 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; slightly alkaline, pH 7.4, hellige-truog; clear wavy boundary. Lab sample # 00P07322. ped surface feature: CAF 5% P D PF; concentrations: CAM 5% T BPF; CCE: 9.0%; calcic.
    2Bk4—163 centimeters (64.2 inches); grayish brown (10YR 5/2) and yellowish brown (10YR 5/4), light brownish gray (10YR 6/2) and light yellowish brown (10YR 6/4), dry; very gravelly coarse sand; 1 percent clay; massive parts to single grain; loose, loose, nonsticky, nonplastic; 3.0 very fine and fine interstitial pores; 60 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; slightly alkaline, pH 7.4, hellige-truog. Lab sample # 00P07323. ped surface features: CAF RF; roots: none visible; concentrations: CAM BRF; calcic; 8.0% coarse gravels.