IDENTIFIERS

  • Current Taxon Name (Soil Name): Clayburn
  • OSD
  • Series Extent
  • User Site ID: S1986CO067003
  • User Pedon ID: 86CO067003
  • Vegetation Plot ID: S1986CO067003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0852
  • NCSS Pedon Lab Data NASIS Record ID - 59146
  • Print Date: 9/24/2024

    • 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: 37.5013885
  • Std. Longitude: -107.7388916
  • Datum: WGS84
  • Township: 37N
  • Range: 8W
  • Section: 3
  • PLSS Details: SW 4
  • Map Unit: 51—Clayburn-Hourglass complex, 5 to 25 percent slopes
  • State: Colorado
  • County: CO067—La Plata
  • MLRA: 48A—Southern Rocky Mountains
  • Non-MLRA Soil Survey Area: CO672—Animas-Dolores Area, Colorado, Parts of Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan, and San Miguel Counties

    • PEDON

  • Describers Name: Pannel, J; Bowman, G; Klameth, L; Hoffheins, D;
  • Current Taxonomic Class: Fine-loamy, mixed, superactive Pachic Palecryolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Clayburn
  • PSC - 51 to 101 cm.
  • Classificaton Date - 2/1/2010
  • Sampled As Information:
  • Soil Name - Clayburn
  • Taxonomic Class - Fine-loamy, mixed Argic Pachic Cryoboroll
  • Taxon Kind - series
  • Classificaton Date - 8/1/1986
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: unconsolidated sediments derived from mixed
  • Landscape: plateaus or tablelands
  • Landform: alluvial fan
  • Hill Slope Profile: toeslope
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1986 (actual site observation date)
  • 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
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    POA

    STIPA

    Poa

    Stipa

    bluegrass

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

    mollic epipedon

    argillic horizon

    0—51

    51—119

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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

    5

    —

    —

    3000

    —

    225

    90

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    1A—0 to 30 centimeters (0.0 to 11.8 inches); very dark brown (10YR 2/2) interior, dark grayish brown (10YR 4/2) interior, dry; loam; 20 percent clay; moderate medium subangular blocky, and moderate fine granular structure; soft, very friable, nonsticky, nonplastic; 5.5 fine roots throughout; 3 percent by volume 2-39-75 millimeter mixed fragments; slightly acid, pH 6.2, bromthymol blue; clear smooth boundary. Lab sample # 86P05093. many fine roots throughout
    1BAt—30 to 51 centimeters (11.8 to 20.1 inches); very dark brown (10YR 2/2) interior, dark grayish brown (10YR 4/2) interior, dry; loam; 22 percent clay; weak medium subangular blocky, and moderate medium granular structure; soft, friable, nonsticky, nonplastic; 0.5 fine roots throughout; 3 percent by volume 2-39-75 millimeter mixed fragments; slightly acid, pH 6.2, bromthymol blue; clear smooth boundary. Lab sample # 86P05094. few fine roots throughout
    1Bt1—51 to 76 centimeters (20.1 to 29.9 inches); brown (7.5YR 4/3) interior, brown (7.5YR 4/4) interior, dry; clay loam; 30 percent clay; weak medium prismatic, and moderate medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 37 percent distinct clay films on faces of peds; 5 percent by volume 2-39-75 millimeter mixed fragments; slightly acid, pH 6.4, bromthymol blue; gradual smooth boundary. Lab sample # 86P05095. common clay films surface features on faces of peds; continuous - phpvsfiid 231699; continuous - phpvsfiid 231699
    1Bt2—76 to 119 centimeters (29.9 to 46.9 inches); brown (7.5YR 5/4) interior, light brown (7.5YR 6/4) interior, dry; clay loam; 32 percent clay; moderate medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 37 percent distinct clay films on faces of peds; 5 percent by volume 2-39-75 millimeter mixed fragments; neutral, pH 6.6, bromthymol blue; gradual smooth boundary. Lab sample # 86P05096. common clay films surface features on faces of peds; continuous - phpvsfiid 231700; continuous - phpvsfiid 231700
    1C—119 to 152 centimeters (46.9 to 59.8 inches); brown (7.5YR 4/4) interior, brown (7.5YR 5/4) interior, dry; sandy clay loam; 30 percent clay; massive; slightly hard, friable, slightly sticky, slightly plastic; 10 percent by volume 2-39-75 millimeter mixed fragments; neutral, pH 6.6, bromthymol blue. Lab sample # 86P05097