IDENTIFIERS

  • Current Taxon Name (Soil Name): Keswick
  • OSD
  • Series Extent
  • User Site ID: 1991MO019071
  • User Pedon ID: 1991MO019071
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9101971
  • NCSS Pedon Lab Data NASIS Record ID - 27198
  • 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: 38.8358285
  • Std. Longitude: -92.1773449
  • Datum: WGS84
  • Range: R11W
  • Section: 20
  • Location Description: 2100 feet north and 600 feet west of the southeast corner of sec. 20,T.47N.,R.11W.
  • State: Missouri
  • County: MO019—Boone
  • MLRA: 113—Central Claypan Areas

    • PEDON

  • Describers Name: FJY
  • 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 - Keswick
  • PSC - 25 to 76 cm.
  • Classificaton Date - 7/17/1991
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/17/1991 (actual site observation date)
  • Air Photo ID: 40
  • 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

    ochric epipedon

    argillic horizon

    0—25

    25—140

    —-

    —-
    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

    914

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    O—0 to 1 centimeters (0.0 to 0.4 inches); fragments.
    A—1 to 9 centimeters (0.4 to 3.5 inches); very dark grayish brown (10YR 3/2) and brown (10YR 5/3) silt loam; weak very fine platy parts to weak very fine granular structure; very friable; 3.0 very fine to medium roots; fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU014884
    E—9 to 26 centimeters (3.5 to 10.2 inches); yellowish brown (10YR 5/4) silt loam; weak fine subangular blocky structure; very friable; 3.0 very fine to medium roots and 0.5 coarse roots; fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU014885
    2Bt1—26 to 44 centimeters (10.2 to 17.3 inches); yellowish brown (10YR 5/6) clay loam; weak fine prismatic parts to moderate very fine and fine subangular blocky structure; firm; 0.5 very fine roots and 3.0 fine and medium roots; 35 percent distinct silt coats and 60 percent distinct dark yellowish brown (10YR 4/6) clay films on faces of peds; 10 percent medium yellowish brown (10YR 5/4) masses of oxidized iron; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU014886
    2Bt2—44 to 82 centimeters (17.3 to 32.3 inches); yellowish brown (10YR 5/6) clay; 25 percent light gray (10YR 7/2) medium prominent mottles; moderate coarse prismatic parts to moderate fine subangular blocky structure; very firm; 0.5 very fine to medium roots; 15 percent distinct clay films on faces of peds and 15 percent slickensides (pedogenic) and 60 percent faint ; 1 percent fine yellowish brown (10YR 5/6) masses of oxidized iron; fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU014887
    2Bt3—82 to 113 centimeters (32.3 to 44.5 inches); strong brown (7.5YR 5/6) and light gray (10YR 7/2) clay loam; weak medium subangular blocky structure; very firm; 0.5 very fine to medium roots; 15 percent faint clay films on faces of peds; 2 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.6, hellige-truog; gradual smooth boundary. Lab sample # MU014888. (Note: The gravel is very fine saprolite.)
    2Bt4—113 to 141 centimeters (44.5 to 55.5 inches); yellowish brown (10YR 5/6) clay loam; 10 percent light gray (10YR 7/2) medium prominent mottles; weak very fine and fine subangular blocky structure; firm; 0.5 very fine and fine roots; 15 percent manganese or iron-manganese stains and 35 percent faint clay films on faces of peds; 25 percent fine strong brown (7.5YR 5/6) masses of oxidized iron; fragments; strongly acid, pH 5.2, hellige-truog; diffuse boundary. Lab sample # MU014889. (Note: There are traces of rock structure present.)
    3BC—141 to 179 centimeters (55.5 to 70.5 inches); yellowish brown (10YR 5/6) clay loam; 25 percent light gray (10YR 7/2) medium prominent mottles; strong medium angular blocky, and strong medium subangular blocky structure; very firm; 0.5 very fine and fine roots; 35 percent distinct dark yellowish brown (10YR 4/6) clay films on faces of peds; strong brown (7.5YR 5/6) masses of oxidized iron; 1 percent carbonate masses between peds and 25 percent fine and medium yellowish red (5YR 5/6); fragments; neutral, pH 6.6, hellige-truog. Lab sample # MU014890