IDENTIFIERS

  • Current Taxon Name (Soil Name): Creldon
  • OSD
  • Series Extent
  • User Site ID: 1989MO167058M
  • User Pedon ID: 1989MO167058
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9016758
  • Print Date: 12/11/2024
  • 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: 37.7386093
  • Std. Longitude: -93.2980576
  • Datum: WGS84
  • Township: T35N
  • Range: R21W
  • Section: 31
  • PLSS Details: 500 feet E and 2950 feet S of the NW corner
  • Location Description: 500 feet east and 2,950 feet south of the northwest corner of section 31, T. 35 N., R. 21 W.
  • Map Unit: 70006—Creldon silt loam, 1 to 3 percent slopes
  • State: Missouri
  • County: MO167—Polk
  • MLRA: 116B—Springfield Plain
  • Non-MLRA Soil Survey Area: MO167—Polk County, Missouri
  • PEDON

  • Describers Name: Max Aldrich, Richard Henderson, and John Bowers
  • Current Taxonomic Class: Fine, mixed Mollic Fragiudalfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Creldon
  • PSC - 25 to 61 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Creldon
  • Taxon Kind - series
  • PSC - 25 to 61 cm.
  • Classificaton Date - 7/19/1989
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess and/or slope alluvium derived from cherty limestone and/or residuum weathered from cherty limestone
  • Landscape: plateau
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: moderately well
  • Bedrock: limestone, cherty
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/19/1989 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    fragipan

    0—25

    25—152

    61—130

    —-

    —-

    —-

    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

    319

    90

    1041

    13.3

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2), dark gray (10YR 4/1), dry; silt loam; weak fine granular structure; friable; 6.0 very fine to medium roots; fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU013006
    A—15 to 25 centimeters (5.9 to 9.8 inches); very dark grayish brown (10YR 3/2), dark gray (10YR 4/1), dry; silt loam; moderate very fine subangular blocky structure; friable; 6.0 very fine to medium roots; fragments; moderately acid, pH 5.9, hellige-truog; clear smooth boundary. Lab sample # MU013007
    Bt1—25 to 41 centimeters (9.8 to 16.1 inches); brown (10YR 4/3) silty clay loam; moderate very fine subangular blocky structure; firm; 3.0 very fine roots; 35 percent distinct clay films on faces of peds; 10 percent fine dark red (2.5YR 3/6) masses of oxidized iron; fragments; strongly acid, pH 5.1, hellige-truog; gradual smooth boundary. Lab sample # MU013008
    Bt2—41 to 61 centimeters (16.1 to 24.0 inches); brown (10YR 5/3) silty clay loam; moderate medium subangular blocky structure; firm; 3.0 fine roots; 55 percent distinct clay films on faces of peds; 22 percent fine red (2.5YR 4/6) masses of oxidized iron; fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU013009
    2Btx1—61 to 86 centimeters (24.0 to 33.9 inches); light brownish gray (10YR 6/2) and yellowish red (5YR 4/6) and strong brown (7.5YR 4/6) gravelly silt loam; moderate coarse prismatic parts to weak thin platy structure; very firm; 15 percent distinct clay films on faces of peds; 1 percent fine olive yellow (2.5Y 6/6) masses of oxidized iron and 1 percent fine iron-manganese concretions; 25 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.3, hellige-truog; gradual wavy boundary. Lab sample # MU013010
    2Btx2—86 to 107 centimeters (33.9 to 42.1 inches); light brownish gray (10YR 6/2) and yellowish red (5YR 5/6) extremely cobbly silt loam; moderate coarse prismatic structure; very firm; 15 percent distinct clay films on faces of peds; 3 percent fine iron-manganese masses and 55 percent fine red (2.5YR 4/6) masses of oxidized iron; 25 percent by volume 2-39-75 millimeter limestone, cherty fragments and 40 percent by volume 75-162-250 millimeter limestone, cherty fragments; moderately acid, pH 5.7, hellige-truog; gradual smooth boundary. Lab sample # MU013011
    2Btx3—107 to 130 centimeters (42.1 to 51.2 inches); yellowish red (5YR 5/6) and brown (7.5YR 5/4) extremely cobbly loam; moderate coarse prismatic structure; very firm; 15 percent distinct clay films on faces of peds; 1 percent fine dark concretions; 30 percent by volume 2-39-75 millimeter limestone, cherty fragments and 40 percent by volume 75-162-250 millimeter limestone, cherty fragments; slightly acid, pH 6.1, hellige-truog; gradual wavy boundary. Lab sample # MU013012
    3Bt3—130 to 152 centimeters (51.2 to 59.8 inches); strong brown (7.5YR 5/8) and red (2.5YR 4/6) clay; moderate coarse subangular blocky structure; very firm; 35 percent faint clay films on faces of peds; 1 percent fine dark concretions; 12 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.1, hellige-truog. Lab sample # MU013013