IDENTIFIERS

  • Current Taxon Name (Soil Name): Sonsac
  • OSD
  • Series Extent
  • User Site ID: 1998MO221158M
  • User Pedon ID: 1998MO221158
  • Vegetation Plot ID: 1998MO221158
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9822131
  • Print Date: 2/16/2025

    • 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: 38.1636712
  • Std. Longitude: -91.1003513
  • Datum: WGS84
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: DMS, JS, GAL
  • Current Taxonomic Class: Clayey-skeletal, mixed Typic Hapludalfs
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Sonsac
  • Taxonomic Class - Clayey-skeletal, mixed Typic Hapludalfs
  • Taxon Kind - series
  • PSC - 25 to 75 cm.
  • Classificaton Date - 5/18/1998
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or residuum
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Surface Fragments: 10.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/18/1998 (actual site observation date)
  • Air Photo ID: A1
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    CARYA

    QUAL

    QUVE

    Carya

    Quercus alba

    Quercus velutina

    hybrid hickory

    white oak

    black oak

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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

    9

    —

    —

    229

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    340

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    A—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2), light brownish gray (10YR 6/2), dry; silt loam; moderate fine subangular blocky parts to moderate very fine subangular blocky structure; very friable; 6.0 fine to coarse roots; 6.0 fine to coarse interstitial and tubular pores; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 35 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU061065
    E—8 to 25 centimeters (3.1 to 9.8 inches); pale brown (10YR 6/3) silt loam; moderate fine subangular blocky parts to moderate very fine subangular blocky structure; very friable; 6.0 fine to coarse roots; 3.0 fine to coarse interstitial and tubular pores; 20 percent by volume 2-39-75 millimeter limestone, cherty fragments and 40 percent by volume 75-162-250 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU061066
    Bt1—25 to 43 centimeters (9.8 to 16.9 inches); yellowish brown (10YR 5/4) silt loam; moderate fine subangular blocky parts to moderate very fine subangular blocky structure; firm; 3.0 fine and medium roots; 3.0 fine to coarse interstitial and tubular pores; 15 percent prominent clay films on faces of peds and in pores; 10 percent by volume 250-425-600 millimeter limestone, cherty fragments and 20 percent by volume 2-39-75 millimeter limestone, cherty fragments and 40 percent by volume 75-162-250 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU061067. discontinuous - phpvsfiid 135693; discontinuous - phpvsfiid 135693
    2Bt2—43 to 66 centimeters (16.9 to 26.0 inches); red (2.5YR 4/6) clay; moderate very fine angular blocky structure; very firm; 3.0 fine and medium roots; 1.0 fine and medium interstitial and tubular pores; 60 percent prominent clay films on faces of peds and in pores; 15 percent by volume 2-39-75 millimeter limestone, cherty fragments and 20 percent by volume 75-162-250 millimeter limestone, cherty fragments and 25 percent by volume 250-425-600 millimeter limestone, cherty fragments; strongly acid, pH 5.3, hellige-truog; clear wavy boundary. Lab sample # MU061068. discontinuous - phpvsfiid 135694; discontinuous - phpvsfiid 135694
    2Bt3—66 to 81 centimeters (26.0 to 31.9 inches); dark reddish brown (2.5YR 3/4) clay; moderate very fine angular blocky structure; very firm; 3.0 very fine and fine roots; 1.0 very fine and fine interstitial and tubular pores; 60 percent prominent clay films on faces of peds and in pores; 5 percent by volume 2-39-75 millimeter dolomite (dolostone) fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # MU061069. discontinuous - phpvsfiid 135695; discontinuous - phpvsfiid 135695
    BC—81 to 99 centimeters (31.9 to 39.0 inches); 40 percent yellow (10YR 7/8) and 30 percent strong brown (7.5YR 4/6) and 30 percent reddish brown (5YR 4/4) sand; massive; extremely firm; 1.0 very fine and fine roots; 0.5 very fine and fine interstitial and tubular pores; 15 percent prominent clay films on faces of peds and in pores; 70 percent by volume 600-?-? millimeter dolomite (dolostone) fragments; slightly alkaline, pH 7.8, hellige-truog; abrupt smooth boundary. Lab sample # MU061070. discontinuous - phpvsfiid 135699; discontinuous - phpvsfiid 135699
    R—99 centimeters (39.0 inches); bedrock; fragments.