IDENTIFIERS

  • Current Taxon Name (Soil Name): Armstrong
  • OSD
  • Series Extent
  • User Site ID: 1993MO019006
  • User Pedon ID: 1993MO019006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9301906
  • NCSS Pedon Lab Data NASIS Record ID - 34256
  • Print Date: 11/21/2024

    • 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: 38.9858801
  • Std. Longitude: -92.4764991
  • Datum: WGS84
  • Range: R14W
  • Section: 3
  • Location Description: 1000 feet west and 600 feet south of the NE corner of sec. 3, T.48N.,R.14W.
  • State: Missouri
  • County: MO019—Boone
  • MLRA: 115—Central Mississippi Valley Wooded Slopes

    • PEDON

  • Describers Name: CAR and MS
  • 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 - Armstrong
  • PSC - 23 to 74 cm.
  • Classificaton Date - 5/25/1993
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or till
  • Landscape: hills
  • Landform: hillside
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/25/1993 (actual site observation date)
  • Air Photo ID: 28
  • 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

    mollic epipedon

    argillic horizon

    0—23

    23—91

    —-

    —-
    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

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; weak fine subangular blocky structure; friable; 3.0 very fine and fine roots; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # MU047234
    Ap2—15 to 23 centimeters (5.9 to 9.1 inches); very dark grayish brown (10YR 3/2), pale brown (10YR 6/3), dry; silt loam; moderate fine subangular blocky structure; friable; 3.0 very fine and fine roots; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # MU047235. (Note: There is some mixing from the horizon below of 7.5YR 5/6 silty clay loam.)
    2Bt1—23 to 43 centimeters (9.1 to 16.9 inches); strong brown (7.5YR 5/6) silty clay loam; moderate medium subangular blocky structure; firm; 0.1 very fine roots; 15 percent manganese or iron-manganese stains and 35 percent faint dark yellowish brown (10YR 4/4) clay films on faces of peds; 1 percent fine yellowish red (5YR 5/8) masses of oxidized iron and 10 percent fine yellowish brown (10YR 5/4) masses of oxidized iron; 2 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU047236
    2Bt2—43 to 74 centimeters (16.9 to 29.1 inches); yellowish brown (10YR 5/4) silty clay; 15 percent grayish brown (10YR 5/2) fine distinct mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 0.1 very fine roots; 15 percent manganese or iron-manganese stains and 35 percent dark yellowish brown (10YR 4/4) clay films on faces of peds; 15 percent fine strong brown (7.5YR 5/6) masses of oxidized iron; 2 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.3, hellige-truog; clear wavy boundary. Lab sample # MU047237
    2Bt3—74 to 91 centimeters (29.1 to 35.8 inches); light brownish gray (2.5Y 6/2) and strong brown (7.5YR 5/8) silty clay; weak coarse subangular blocky structure; firm; 0.1 very fine roots; 15 percent clay films on faces of peds and 15 percent manganese or iron-manganese stains; 1 percent fine red (2.5YR 4/6) masses of oxidized iron; 2 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 7.3, hellige-truog; clear smooth boundary. Lab sample # MU047238
    2BC—91 to 114 centimeters (35.8 to 44.9 inches); light brownish gray (2.5Y 6/2) silt loam; weak very fine subangular blocky structure; friable; 0.1 very fine roots; 1 percent fine black (10YR 2/1) iron-manganese concretions and 15 percent fine red (2.5YR 4/6) masses of oxidized iron and 15 percent medium strong brown (7.5YR 5/8) masses of oxidized iron; 2 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 7.2, hellige-truog; clear smooth boundary. Lab sample # MU047239
    3C—114 to 152 centimeters (44.9 to 59.8 inches); light brownish gray (2.5Y 6/2) silt loam; massive; friable; 15 percent dark gray (10YR 4/1) manganese or iron-manganese stains; 15 percent fine red (2.5YR 4/6) masses of oxidized iron and 15 percent fine strong brown (7.5YR 5/8) masses of oxidized iron; fragments; slightly alkaline, pH 7.4, hellige-truog. Lab sample # MU047240