IDENTIFIERS

  • Current Taxon Name (Soil Name): Snead
  • OSD
  • Series Extent
  • User Site ID: 1993MO019016
  • User Pedon ID: 1993MO019016
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9301916
  • NCSS Pedon Lab Data NASIS Record ID - 34248
  • Print Date: 11/24/2024

    • 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: 38.8182880
  • Std. Longitude: -92.2489633
  • Datum: WGS84
  • Range: R12W
  • Section: 26
  • Location Description: 700 feet east and 900 feet north of the southwest corner of sec. 26, T.47N.,R.12W.
  • State: Missouri
  • County: MO019—Boone
  • MLRA: 115—Central Mississippi Valley Wooded Slopes

    • PEDON

  • Describers Name: MWO and CAR
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • 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 - 6/15/1993
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or residuum weathered from calcareous shale
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Runoff: high
  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/15/1993 (actual site observation date)
  • Air Photo ID: 43
  • 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

    cambic horizon

    lithic contact

    0—25

    25—53

    140—0

    —-

    —-

    —-
    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

    12

    —

    —

    —

    —

    270

    914

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; silty clay; moderate medium granular structure; very friable; 6.0 very fine roots and 0.1 medium roots and 3.0 fine roots; 2 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.4, hellige-truog; gradual smooth boundary. Lab sample # MU047289. (Note: The gravel is in the form of fine pebbles.)
    AB—13 to 25 centimeters (5.1 to 9.8 inches); dark brown (10YR 3/3), yellowish brown (10YR 5/6), dry; silty clay; moderate fine and medium subangular blocky structure; friable; 6.0 very fine roots and 3.0 fine roots; 2 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.9, hellige-truog; clear wavy boundary. Lab sample # MU047290. (Note: The gravel is in the form of fine pebbles.)
    Bw1—25 to 38 centimeters (9.8 to 15.0 inches); yellowish red (5YR 5/6) clay; 10 percent light olive brown (2.5Y 5/3) fine mottles; moderate fine and medium subangular blocky structure; firm; 6.0 very fine roots; 10 percent fine red (2.5YR 4/8) masses of oxidized iron; 2 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU047291. (Note: The gravel is in the form of fine pebbles.)
    Bw2—38 to 53 centimeters (15.0 to 20.9 inches); light olive brown (2.5Y 5/3) clay; weak medium prismatic parts to weak medium subangular blocky structure; firm; 3.0 very fine roots; yellowish red (5YR 5/6) masses of oxidized iron; 10 percent fine yellowish red (5YR 5/8) and 25 percent fine and medium red (10R 4/8); 2 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU047292. (Note: There are common large intrusions of black (10YR 2/1) lignite. The gravel is in the form of very fine pebbles.)
    Cr1—53 to 74 centimeters (20.9 to 29.1 inches); light olive gray (5Y 6/2) and gray (5Y 6/1) silty clay; massive; firm; 3.0 very fine roots; 25 percent medium brownish yellow (10YR 6/6) masses of oxidized iron; 25 percent fine strong brown (7.5YR 5/6); fragments; very slight effervescence; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU047293. (Note: There are many large intrusions of black (10YR 2/1) lignite.)
    Cr2—74 to 104 centimeters (29.1 to 40.9 inches); light olive gray (5Y 6/2) and gray (5Y 5/1) silty clay; massive; firm; 0.5 very fine roots; 35 percent very dark gray (2.5Y 3/1) organic stains in root channels and/or pores; 25 percent medium brownish yellow (10YR 6/6) masses of oxidized iron; 1 percent carbonate masses and 25 percent fine strong brown (7.5YR 5/6); fragments; very slight effervescence; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # MU047294
    Cr3—104 to 122 centimeters (40.9 to 48.0 inches); brownish yellow (10YR 6/8) extremely gravelly loam; massive; firm; 0.1 very fine roots; 10 percent fine yellowish brown (10YR 5/4) masses of oxidized iron; 60 percent by volume 2-39-75 millimeter unspecified fragments; slightly alkaline, pH 7.5, hellige-truog; abrupt smooth boundary. Lab sample # MU047295. (Note: There are common flat yellowish red (5YR 4/6) pebbles present.)
    Cr4—122 to 140 centimeters (48.0 to 55.1 inches); olive yellow (5Y 6/6) very gravelly clay; 10 percent gray (5Y 6/1) fine mottles; massive; firm; 0.1 very fine roots; 1 percent medium yellowish brown (10YR 5/6) masses of oxidized iron; 40 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; slightly alkaline, pH 7.8, hellige-truog. Lab sample # MU047296
    R—140 centimeters (55.1 inches); bedrock; fragments.