IDENTIFIERS

  • Current Taxon Name (Soil Name): Snead
  • OSD
  • Series Extent
  • User Site ID: 1991MO019017
  • User Pedon ID: 1991MO019017
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9101917
  • NCSS Pedon Lab Data NASIS Record ID - 34338
  • 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: 39.0284561
  • Std. Longitude: -92.2527517
  • Datum: WGS84
  • Range: R12W
  • Section: 15
  • Location Description: 1800 feet east and 1700 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 - 25 to 76 cm.
  • Classificaton Date - 5/8/1991
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/8/1991 (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

    25—61

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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

    —

    —

    —

    —

    320

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    —

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    A1—0 to 5 centimeters (0.0 to 2.0 inches); black (10YR 2/1), dark grayish brown (10YR 4/2), dry; loam; moderate fine granular structure; very friable; 6.0 very fine and fine roots; fragments; slightly acid, pH 6.4, hellige-truog; clear smooth boundary. Lab sample # MU040166
    A2—5 to 15 centimeters (2.0 to 5.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; loam; moderate fine subangular blocky structure; very friable; 3.0 very fine to coarse roots; 2 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.1, hellige-truog; clear smooth boundary. Lab sample # MU040167
    AB—15 to 25 centimeters (5.9 to 9.8 inches); dark grayish brown (10YR 4/2), grayish brown (10YR 5/2), dry; loam; moderate fine subangular blocky structure; friable; 3.0 very fine and fine roots and 0.1 medium roots; 2 percent by volume 75-162-250 millimeter unspecified fragments and 2 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.7, hellige-truog; clear wavy boundary. Lab sample # MU040168. (Note: The gravel occur as a line at the lower boundary of the horizon.)
    2Bt1—25 to 46 centimeters (9.8 to 18.1 inches); yellowish brown (10YR 5/6) loam; 25 percent grayish brown (10YR 5/2) fine distinct mottles; moderate fine and medium subangular blocky structure; firm; 3.0 very fine and fine roots and 0.1 medium roots; 15 percent dark grayish brown (10YR 4/2) organic stains on faces of peds and 35 percent distinct brown (10YR 5/3) clay films; 2 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU040169
    2Bt2—46 to 61 centimeters (18.1 to 24.0 inches); yellowish brown (10YR 5/4) loam; 1 percent gray (10YR 6/1) fine distinct and 25 percent pale brown (10YR 6/3) medium distinct mottles; moderate fine and medium subangular blocky structure; firm; 0.1 very fine and fine roots and 3.0 medium roots; 15 percent dark grayish brown (10YR 4/2) organic stains in root channels and/or pores and 35 percent distinct brown (10YR 5/3) clay films; 10 percent fine yellowish brown (10YR 5/8) masses of oxidized iron; 5 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU040170
    3B/C—61 to 117 centimeters (24.0 to 46.1 inches); light olive brown (2.5Y 5/4) loam; 25 percent grayish brown (10YR 5/2) medium distinct mottles; strong coarse subangular blocky structure; firm; 0.1 medium roots and 3.0 fine roots; 15 percent dark grayish brown (10YR 4/2) organic stains in root channels and/or pores and 35 percent distinct gray (10YR 6/1) clay films and 35 percent prominent gray (10YR 5/1) clay films on faces of peds; 10 percent medium strong brown (7.5YR 5/6) masses of oxidized iron between peds; fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU040171
    3B/C—61 to 117 centimeters (24.0 to 46.1 inches); very fine sandy loam; very firm; fragments; clear smooth boundary. Lab sample # MU040171
    3C—117 to 170 centimeters (46.1 to 66.9 inches); light olive brown (2.5Y 5/3) silt loam; fine angular blocky structure; very firm; 0.1 fine roots; 15 percent dark grayish brown (10YR 4/2) organic stains and 35 percent prominent gray (10YR 6/1) clay films; 1 percent fine yellowish brown (10YR 5/6) masses of oxidized iron in cracks; fragments; moderately acid, pH 6.0, hellige-truog. Lab sample # MU040172. (Note: The 10YR 5/6 masses occur along fracture planes. The structure is fine blocky rock structure with bedding planes angled at 30 degrees. The organic coats also occur along fracture planes.)