IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1999MO067187M
  • User Pedon ID: 1999MO067187
  • User Site Association ID: 7690
  • Transect:
  • User Transect ID - 060
  • Transect Stop Number - 10
  • Transect Interval - 100.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9906725
  • Print Date: 4/26/2025

    • 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: 36.8015611
  • Std. Longitude: -92.1838139
  • Datum: WGS84
  • Township: T25N
  • Range: R11W
  • Section: 32
  • Map Unit: 73220—Poynor extremely gravelly silt loam, 8 to 15 percent slopes
  • State: Missouri
  • County: MO067—Douglas
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO067—Douglas County, Missouri

    • PEDON

  • Describers Name: BF, GC, GS, BS
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous Typic Paleudults
  • Current Taxon Kind: variant
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Poynor
  • PSC - 10 to 100 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxon Kind - variant
  • PSC - 10 to 100 cm.
  • Classificaton Date - 9/22/1999
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum and/or slope alluvium
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/22/1999 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    8

    —

    —

    308

    —

    330

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    —

    —

    —

    —

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    A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) very gravelly silt loam; moderate fine granular structure; friable; 6.0 fine to coarse roots; 5.0 very fine and fine interstitial and tubular pores; 45 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU020837
    E—10 to 25 centimeters (3.9 to 9.8 inches); light yellowish brown (10YR 6/4) very gravelly silt loam; weak fine subangular blocky structure; friable; 6.0 fine to coarse roots; 5.0 very fine and fine interstitial and tubular pores; 40 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU020838
    Bt1—25 to 48 centimeters (9.8 to 18.9 inches); yellowish brown (10YR 5/4) extremely gravelly silt loam; weak fine and medium subangular blocky structure; friable; 3.0 fine and medium roots; 3.0 very fine and fine interstitial and tubular pores; 10 percent light yellowish brown (10YR 6/4) silt coats on faces of peds and 30 percent distinct clay films on faces of peds; 10 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 65 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; clear wavy boundary. Lab sample # MU020839
    Bt2—48 to 74 centimeters (18.9 to 29.1 inches); strong brown (7.5YR 5/6) extremely gravelly silt loam; weak fine and medium subangular blocky structure; firm; 3.0 fine and medium roots; 3.0 very fine and fine interstitial and tubular pores; 30 percent distinct clay films on faces of peds and 40 percent light yellowish brown (10YR 6/4) silt coats on faces of peds; 20 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 55 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; clear wavy boundary. Lab sample # MU020840
    2Bt3—74 to 94 centimeters (29.1 to 37.0 inches); 45 percent red (2.5YR 4/6) and 45 percent yellowish red (5YR 5/6) and 10 percent brownish yellow (10YR 6/6) clay; moderate fine and medium subangular blocky structure; firm; 3.0 fine roots; 3.0 very fine and fine discontinuous tubular pores; 10 percent strong brown (7.5YR 5/6) silt coats on faces of peds and 50 percent distinct clay films on faces of peds; 10 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU020841
    2Bt4—94 to 127 centimeters (37.0 to 50.0 inches); 60 percent red (2.5YR 4/6) and 35 percent strong brown (7.5YR 5/6) and 5 percent brownish yellow (10YR 6/6) silty clay; moderate fine and medium subangular blocky structure; very firm; 0.5 very fine and fine roots; 1.0 very fine and fine discontinuous tubular pores; 60 percent prominent clay films on faces of peds; fragments; gradual wavy boundary. Lab sample # MU020842
    2Bt5—127 to 152 centimeters (50.0 to 59.8 inches); red (2.5YR 4/6) gravelly clay; moderate fine and medium subangular blocky structure; very firm; 0.5 very fine and fine roots; 0.5 very fine and fine discontinuous tubular pores; 40 percent strong brown (7.5YR 5/6) silt coats on faces of peds and 65 percent prominent clay films on faces of peds; 30 percent by volume angular 2-39-75 millimeter limestone, cherty fragments. Lab sample # MU020843