IDENTIFIERS

  • Current Taxon Name (Soil Name): Keith
  • OSD
  • Series Extent
  • User Site ID: S2012CO001002
  • User Pedon ID: S2012CO001002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 12N8338
  • NCSS Pedon Lab Data NASIS Record ID - 72889
  • Print Date: 11/23/2024
  • 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: 39.8793333
  • Std. Longitude: -103.8132778
  • Datum: WGS84
  • Township: 2S
  • Range: 57W
  • Section: 18
  • Map Unit: AcC—Adena-Colby association, gently sloping
  • State: Colorado
  • County: CO001—Adams
  • MLRA: 67B—Central High Plains, Southern Part
  • MLRA Soil Survey Area: NW-FTM—Fort Morgan, Colorado
  • Non-MLRA Soil Survey Area: CO001—Adams County Area, Parts of Adams and Denver Counties, Colorado
  • 7.5 Minute USGS Quad: 39103-H7—Shamrock, Colorado
  • PEDON

  • Describers Name: Mike Moore, Andy Steinert, Josh Saunders, Stephen Ogle, Matt Levi
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aridic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Pedon PC 5.0
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Keith
  • PSC - 13 to 63 cm.
  • Classificaton Date - 8/5/2013
  • Classifier - Andy Steinert
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Keith
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Aridic Argiustolls
  • Taxon Kind - series
  • Classificaton Date - 8/24/2012
  • Classifier - Mike Moore
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • QC Status: level 1


  • SITE

  • Parent Material: calcareous loess
  • Landform: plain
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Ksat Class Upper: moderately low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/14/2012 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - close-grown crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 34
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—47

    13—89

    —47—

    —76—

    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

    1478

    180

    Ap—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 5/3), brown (10YR 4/3), moist; silt loam; 5 percent sand; 71 percent silt; 24 percent clay; moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; Ksat of 9.17 um/s; moderate permeability; common (2.0) fine roots throughout; fragments; noneffervescent, by hcl, 1n; neutral, pH 7.1, pH meter; abrupt smooth boundary. Lab sample # 12N05033; observed in push tube
    Bt1—13 to 47 centimeters (5.1 to 18.5 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; silty clay loam; 8 percent sand; 63 percent silt; 29 percent clay; strong medium prismatic parts to strong medium angular blocky structure; very hard, firm, moderately sticky, moderately plastic; Ksat of 2.82 um/s; moderately slow permeability; few (1.0) fine roots throughout; 20 percent distinct clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; neutral, pH 6.6, pH meter; clear smooth boundary. Lab sample # 12N05034; observed in push tube. discontinuous - phpvsfiid 1038075; discontinuous - phpvsfiid 1038075
    Bt2—47 to 69 centimeters (18.5 to 27.2 inches); brown (10YR 5/3), brown (10YR 5/3), moist; silty clay loam; 5 percent sand; 57 percent silt; 38 percent clay; strong medium prismatic parts to strong medium angular blocky structure; very hard, firm, very sticky, very plastic; Ksat of 0.915 um/s; slow permeability; few (1.0) fine roots throughout; 20 percent distinct clay films on all faces of peds; carbonate, finely disseminated throughout; fragments; strong effervescence, by hcl, 1n; neutral, pH 7.2, pH meter; clear smooth boundary. Lab sample # 12N05035; observed in push tube. discontinuous - phpvsfiid 1038076; discontinuous - phpvsfiid 1038076
    Btk—69 to 89 centimeters (27.2 to 35.0 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; silty clay loam; 5 percent sand; 57 percent silt; 38 percent clay; strong medium prismatic parts to strong medium angular blocky structure; very hard, firm, very sticky, very plastic; Ksat of 0.915 um/s; slow permeability; few (1.0) fine roots throughout; 15 percent distinct clay films on all faces of peds; 3 percent fine prominent irregular noncoherent cemented carbonate masses in matrix; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, pH meter; gradual smooth boundary. Lab sample # 12N05036; observed in push tube. discontinuous - phpvsfiid 1038077; discontinuous - phpvsfiid 1038077
    Bk1—89 to 118 centimeters (35.0 to 46.5 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; silty clay loam; 1 percent sand; 66 percent silt; 33 percent clay; weak medium prismatic parts to weak medium angular blocky structure; hard, firm, slightly sticky, moderately plastic; Ksat of 2.82 um/s; moderately slow permeability; few (1.0) fine roots throughout; 3 percent fine prominent irregular noncoherent cemented carbonate masses in matrix; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.8, pH meter; gradual smooth boundary. Lab sample # 12N05037; observed in push tube
    Bk2—118 to 153 centimeters (46.5 to 60.2 inches); light gray (10YR 7/2), light olive brown (2.5Y 5/3), moist; silt loam; 1 percent sand; 75 percent silt; 24 percent clay; weak medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; Ksat of 9.17 um/s; moderate permeability; few (1.0) fine roots throughout; 3 percent fine prominent irregular noncoherent cemented carbonate masses in matrix; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH meter; gradual smooth boundary. Lab sample # 12N05038; observed in push tube
    Bk3—153 to 200 centimeters (60.2 to 78.7 inches); pale brown (10YR 6/3), light olive brown (2.5Y 5/3), moist; silt loam; 10 percent sand; 78 percent silt; 12 percent clay; weak medium subangular blocky structure; hard, friable, moderately sticky, nonplastic; Ksat of 28.225 um/s; moderately rapid permeability; few (1.0) fine roots throughout; 5 percent fine prominent irregular noncoherent cemented carbonate masses in matrix; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.1, pH meter. Lab sample # 12N05039; observed in push tube