IDENTIFIERS

  • Current Taxon Name (Soil Name): Snead
  • OSD
  • Series Extent
  • User Site ID: 1991MO019016
  • User Pedon ID: 1991MO019016
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9101916
  • NCSS Pedon Lab Data NASIS Record ID - 34339
  • Print Date: 2/1/2025

    • 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: 39.0291932
  • Std. Longitude: -92.2552856
  • Datum: WGS84
  • Range: R12W
  • Section: 15
  • Location Description: 2400 feet east and 1800 feet south of the northwest corner of sec. 15, T.49N.,R.12W.
  • State: Missouri
  • County: MO019—Boone
  • MLRA: 115—Central Mississippi Valley Wooded Slopes

    • PEDON

  • Describers Name: CCK and FJY
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Snead
  • PSC - 30 to 81 cm.
  • Classificaton Date - 5/6/1991
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or residuum weathered from calcareous shale
  • Landscape: hills
  • Landform: hillside
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/6/1991 (actual site observation date)
  • Air Photo ID: 25
  • Surface Cover Properties:
  • 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

    argillic horizon

    lithic contact

    30—112

    122—0

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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

    13

    —

    —

    —

    —

    360

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    —

    —

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    A1—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; silt loam; moderate very fine subangular blocky, and moderate very fine granular structure; very friable; 6.0 very fine and fine roots and 3.0 medium roots; fragments; neutral, pH 6.7, hellige-truog; abrupt smooth boundary. Lab sample # MU040158
    A2—8 to 20 centimeters (3.1 to 7.9 inches); dark brown (10YR 3/3), grayish brown (10YR 5/2), dry; silt loam; moderate fine and medium subangular blocky structure; very friable; 6.0 very fine and fine roots and 3.0 medium roots; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU040159
    BA—20 to 30 centimeters (7.9 to 11.8 inches); dark yellowish brown (10YR 4/4) loam; weak fine subangular blocky structure; very friable; 6.0 very fine and fine roots and 0.1 coarse roots; dark brown (10YR 3/3) on faces of peds; 5 percent by volume 75-162-250 millimeter unspecified fragments and 5 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU040160. (Note: There is slight mixing of the 2Bt1.)
    2Bt1—30 to 43 centimeters (11.8 to 16.9 inches); light yellowish brown (10YR 6/4) cobbly clay; 10 percent brown (7.5YR 4/2) fine mottles; weak very fine subangular blocky structure; friable; 3.0 very fine and fine roots and 0.1 medium roots; dark brown (10YR 3/3) organic stains in root channels and/or pores and 35 percent faint clay films; 60 percent fine yellowish red (5YR 4/6) masses of oxidized iron; 10 percent by volume 75-162-250 millimeter unspecified fragments and 10 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU040161. (Note: Gravel occurs as a stone line at the top of the horizon.)
    2Bt2—43 to 58 centimeters (16.9 to 22.8 inches); light brownish gray (10YR 6/2) clay; moderate fine subangular blocky structure; friable; 3.0 very fine and fine roots and 0.1 medium roots; 35 percent distinct brown (7.5YR 5/3) clay films; 15 percent fine yellowish red (5YR 5/6) masses of oxidized iron; 25 percent medium strong brown (7.5YR 4/6); 5 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # MU040162
    3Bt3—58 to 76 centimeters (22.8 to 29.9 inches); brown (10YR 5/3) clay; 10 percent light brownish gray (10YR 6/2) fine distinct mottles; moderate fine subangular blocky structure; firm; 0.1 very fine and fine roots; 35 percent faint dark yellowish brown (10YR 4/6) clay films; 10 percent fine strong brown (7.5YR 5/6) masses of oxidized iron; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU040163
    3Bt4—76 to 112 centimeters (29.9 to 44.1 inches); yellowish brown (10YR 5/6) silty clay loam; 25 percent light brownish gray (10YR 6/2) coarse prominent mottles; moderate fine subangular blocky structure; firm; 0.1 very fine roots; 15 percent prominent clay films on faces of peds and in pores and 15 percent slickensides (pedogenic); 1 percent fine strong brown (7.5YR 5/6) masses of oxidized iron; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # MU040164
    3BC—112 to 122 centimeters (44.1 to 48.0 inches); dark yellowish brown (10YR 4/6) clay; 25 percent light brownish gray (10YR 6/2) coarse distinct mottles; fine subangular blocky structure; firm; 15 percent faint clay films on faces of peds; 25 percent coarse strong brown (7.5YR 5/8) masses of oxidized iron; 5 percent by volume 2-39-75 millimeter unspecified fragments; slightly alkaline, pH 7.8, hellige-truog; abrupt smooth boundary. Lab sample # MU040165
    4R—122 centimeters (48.0 inches); fragments.