IDENTIFIERS

  • Current Taxon Name (Soil Name): Blake
  • OSD
  • Series Extent
  • User Site ID: 1990MO099219
  • User Pedon ID: 1990MO099219
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M90099219
  • Print Date: 12/6/2025

    • 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: 38.9672644
  • Std. Longitude: -92.3451678
  • Datum: WGS84
  • Section: 36
  • Location Description: 350 S' + 400 W' of the NE corner, Sec. 36, T40N, R6E
  • State: Missouri
  • County: MO099—Jefferson
  • MLRA: 115—Central Mississippi Valley Wooded Slopes

    • PEDON

  • Describers Name: J.A.D, E.J.D, K.A.K
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Blake
  • Classificaton Date - 11/27/1990
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landscape: river valley
  • Landform: flood plain
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/27/1990 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    1

    —

    —

    120

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); very dark gray (10YR 3/1), dark gray (10YR 4/1) and gray (10YR 5/1), dry; silty clay; moderate medium subangular blocky structure; firm; 1.0 very fine roots and 3.0 fine roots; fragments; slightly alkaline, pH 7.4, pH meter; clear smooth boundary. Lab sample # MU038292
    C1—13 to 30 centimeters (5.1 to 11.8 inches); very dark gray (10YR 3/1) and very dark grayish brown (10YR 3/2) silty clay loam; massive; firm; 1.0 very fine roots; fragments; slightly alkaline, pH 7.6, pH meter; abrupt smooth boundary. Lab sample # MU038293
    C2—30 to 51 centimeters (11.8 to 20.1 inches); dark grayish brown (10YR 4/2) and dark yellowish brown (10YR 4/4) silt loam; massive; friable; 1.0 very fine roots; 10 percent distinct dark reddish brown (2.5YR 3/4) iron stains throughout; fragments; slightly alkaline, pH 7.8, pH meter; clear smooth boundary. Lab sample # MU038294
    C3—51 to 61 centimeters (20.1 to 24.0 inches); very dark grayish brown (10YR 3/2) silty clay loam; massive; friable; 1.0 very fine roots; 10 percent distinct dark reddish brown (2.5YR 3/4) iron stains throughout; fragments; slightly alkaline, pH 7.7, pH meter; abrupt smooth boundary. Lab sample # MU038295
    C4—61 to 76 centimeters (24.0 to 29.9 inches); dark grayish brown (10YR 4/2) and grayish brown (10YR 5/2) silt loam; massive; very friable; 1.0 very fine roots; fragments; slightly alkaline, pH 7.8, pH meter; abrupt smooth boundary. Lab sample # MU038296
    C5—76 to 97 centimeters (29.9 to 38.2 inches); very dark grayish brown (10YR 3/2) silt loam; massive; very friable; very fine roots; fragments; slightly alkaline, pH 7.8, pH meter; abrupt smooth boundary. Lab sample # MU038297
    C6—97 to 135 centimeters (38.2 to 53.1 inches); dark grayish brown (10YR 4/2) and brown (10YR 5/3) silt loam; massive; very friable; 30 percent distinct dark reddish brown (2.5YR 3/4) iron stains throughout; fragments; moderately alkaline, pH 7.9, pH meter; gradual smooth boundary. Lab sample # MU038298
    C7—135 to 152 centimeters (53.1 to 59.8 inches); grayish brown (10YR 5/2) silt loam; massive; very friable; 30 percent distinct dark reddish brown (2.5YR 3/4) iron stains throughout; fragments; moderately alkaline, pH 7.9, pH meter. Lab sample # MU038299