IDENTIFIERS

  • Current Taxon Name (Soil Name): Bona
  • OSD
  • Series Extent
  • User Site ID: 1991MO167155M
  • User Pedon ID: 1991MO167155
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9116730
  • 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: 37.5400000
  • Std. Longitude: -93.4547222
  • Datum: WGS84
  • Township: T33N
  • Range: R23W
  • Section: 21
  • PLSS Details: 1425 feet W and 800 feet S of the NW corner
  • Location Description: 1425 feet west and 800 feet south of the northwest corner of section 21, T. 33 N., R. 23 W.
  • Map Unit: 70000—Bona gravelly silt loam, 3 to 8 percent slopes
  • State: Missouri
  • County: MO167—Polk
  • MLRA: 116B—Springfield Plain
  • Non-MLRA Soil Survey Area: MO167—Polk County, Missouri
  • PEDON

  • Describers Name: Richard L. Henderson, Larry E. Kichler, John Bowers, Richard McBee
  • Current Taxonomic Class: Clayey-skeletal, mixed Typic Paleudolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Bona
  • PSC - 46 to 96 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Eldon
  • Taxon Kind - series
  • Classificaton Date - 2/28/1991
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: slope alluvium derived from cherty limestone and/or residuum weathered from cherty limestone and/or solid rock derived from cherty limestone
  • Landscape: plateau
  • Landform: ridge
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Bedrock: limestone, cherty
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/28/1991 (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

    lithic contact

    0—46

    46—183

    183—203

    —-

    —-

    —-

    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

    332

    0

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark gray (10YR 3/1), dark grayish brown (10YR 4/2), dry; gravelly silt loam; weak medium granular structure; friable; 8.0 fine roots; 25 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU043071
    A—15 to 46 centimeters (5.9 to 18.1 inches); very dark grayish brown (10YR 3/2), brown (10YR 5/3), dry; very gravelly silt loam; moderate medium granular structure; friable; 8.0 fine roots; 55 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. Lab sample # MU043072
    Bt1—46 to 61 centimeters (18.1 to 24.0 inches); dark brown (7.5YR 3/4) extremely gravelly silt loam; weak fine subangular blocky structure; friable; 4.0 fine roots; 55 percent distinct clay films on faces of peds; 3 percent by volume 75-162-250 millimeter limestone, cherty fragments and 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. Lab sample # MU043073. continuous - phpvsfiid 158758; continuous - phpvsfiid 158758
    2Bt2—61 to 76 centimeters (24.0 to 29.9 inches); yellowish red (5YR 4/6) very gravelly clay; moderate fine subangular blocky structure; firm; 4.0 fine roots; 1 percent distinct clay films on faces of peds; 45 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.6, hellige-truog; gradual wavy boundary. Lab sample # MU043074. continuous - phpvsfiid 158759; continuous - phpvsfiid 158759
    2Bt3—76 to 102 centimeters (29.9 to 40.2 inches); red (2.5YR 4/6) clay; moderate fine angular blocky structure; firm; 0.1 fine roots; 1 percent distinct clay films on faces of peds; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU043075. continuous - phpvsfiid 158760; continuous - phpvsfiid 158760
    2Bt4—102 to 183 centimeters (40.2 to 72.0 inches); red (2.5YR 4/6) clay; moderate fine angular blocky structure; firm; 0.1 fine roots; 1 percent distinct clay films on faces of peds; 10 percent yellowish red (5YR 5/8) masses of oxidized iron; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; abrupt wavy boundary. Lab sample # MU043076. continuous - phpvsfiid 158761; continuous - phpvsfiid 158761
    2R—183 centimeters (72.0 inches); bedrock; fragments.