IDENTIFIERS

  • Current Taxon Name (Soil Name): Cososa
  • OSD
  • Series Extent
  • User Site ID: S2000CO023005
  • User Pedon ID: S2000CO023005
  • Vegetation Plot ID: S2000CO023005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 00P1250
  • NCSS Pedon Lab Data NASIS Record ID - 12746
  • Print Date: 2/16/2025

    • 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: 37.3602333
  • Std. Longitude: -105.7063828
  • 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: Coarse-loamy, mixed, superactive, frigid Typic Haplocalcids
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Cososa
  • Classificaton Date - 7/23/2007
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Cososa
  • Taxonomic Class - Coarse-loamy, mixed, superactive, frigid Typic Hap
  • Classificaton Date - 6/19/2000
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - aridic (torric)
  • 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: 6/19/2000 (actual site observation date)
  • Air Photo ID: 6687-4
  • 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

    BOGR2

    GUSA2

    SPCR

    Bouteloua gracilis

    Gutierrezia sarothrae

    Sporobolus cryptandrus

    blue grama

    broom snakeweed

    sand dropseed

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

    ochric epipedon

    cambic horizon

    calcic horizon

    0—0

    0—0

    0—0

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    —-

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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

    1

    —

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    2295

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    203

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    A1—0 to 3 centimeters (0.0 to 1.2 inches); dark yellowish brown (10YR 4/4), yellowish brown (10YR 5/4), dry; loamy fine sand; 3 percent clay; weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots throughout; 3.0 very fine and fine discontinuous tubular pores; 10 percent by volume subrounded 2-39-75 millimeter unspecified fragments; noneffervescent; slightly alkaline, pH 7.8, hellige-truog; clear smooth boundary. Lab sample # 00P07291. ochric
    A2—3 to 15 centimeters (1.2 to 5.9 inches); brown (10YR 5/3), pale brown (10YR 6/3), dry; loamy fine sand; 5 percent clay; weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots throughout; 3.0 very fine and fine discontinuous tubular pores; 10 percent by volume subrounded 2-39-75 millimeter unspecified fragments; noneffervescent; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 00P07292. ochric
    Bw—15 to 36 centimeters (5.9 to 14.2 inches); dark yellowish brown (10YR 4/4), yellowish brown (10YR 5/4), dry; gravelly sandy loam; 7 percent clay; weak fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.0 very fine and fine roots throughout; 2.0 very fine and fine discontinuous tubular pores; 20 percent by volume subrounded 2-39-75 millimeter unspecified fragments; noneffervescent; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary. Lab sample # 00P07293. cambic; 6.0 percent coarse gravels; irregular boundary between Bw2 and Bk.
    Bk1—36 to 53 centimeters (14.2 to 20.9 inches); yellowish brown (10YR 5/4), light yellowish brown (10YR 6/4), dry; gravelly sandy loam; 8 percent clay; weak fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.0 very fine and fine roots throughout; 2.0 very fine and fine discontinuous tubular pores; 20 percent by volume subrounded 2-39-75 millimeter unspecified fragments; noneffervescent; slightly alkaline, pH 7.8, hellige-truog; gradual irregular boundary. Lab sample # 00P07294. cambic, 3.0% coarse gravels.
    Bk2—53 to 124 centimeters (20.9 to 48.8 inches); light brown (7.5YR 6/4), pink (7.5YR 7/4), dry; gravelly sandy loam; 9 percent clay; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 1.0 very fine roots throughout; 2.0 very fine and fine discontinuous tubular and vesicular pores; 25 percent by volume subrounded 2-39-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 00P07295. ped surface features: CAF BR; concentrations: CAM 50% I CO-VC TOT, CAM ARF; calcic part A & B 3.0% coarse gravels; 21-35 part A, 35-49 part B; mixed tonguing in 21-49 inches.
    2Bk3—124 to 145 centimeters (48.8 to 57.1 inches); brown (10YR 5/3), pale brown (10YR 6/3), dry; very gravelly coarse sand; 3 percent clay; single grain; loose, loose, nonsticky, nonplastic; 1.0 very fine roots throughout; 2.0 fine interstitial pores; 40 percent by volume subrounded 2-39-75 millimeter unspecified fragments; slight effervescence; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 00P07296. ped surface features: CAF BR; concentrations: CAM 30% BRF; CCE 9.0%; calcic; 5.26% coarse gravels.
    2Bk4—145 to 188 centimeters (57.1 to 74.0 inches); yellowish brown (10YR 5/4), light yellowish brown (10YR 6/4), dry; extremely gravelly coarse sand; 9 percent clay; single grain; loose, loose, nonsticky, nonplastic; 1.0 very fine roots throughout; 2.0 fine interstitial pores; 75 percent by volume subrounded 2-39-75 millimeter unspecified fragments; slight effervescence; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 00P07297. ped surface feature: CAF BR; concentration: CAM 30% BRF; CCE: 9.0%; calcic; 27.8% coarse gravels.
    2Bk5—188 centimeters (74.0 inches); light gray (10YR 7/2), white (10YR 8/1), dry; loam; 12 percent clay; massive; moderately coherent; 2.0 very fine and fine vesicular pores; 5 percent by volume subrounded 2-39-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 00P07298. concentrations: (finely Disseminated) CAM TOT; calcic; laminar 1cm and 6cm 'pipes'.