IDENTIFIERS

  • Current Taxon Name (Soil Name): Rocheport
  • OSD
  • Series Extent
  • User Site ID: 1991MO019061
  • User Pedon ID: 1991MO019061
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9101961
  • NCSS Pedon Lab Data NASIS Record ID - 34319
  • Print Date: 11/14/2025

    • 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: 38.7661096
  • Std. Longitude: -92.1815993
  • Datum: WGS84
  • Range: R11W
  • Section: 17
  • Location Description: 600 feet west and 1900 feet south of the northeast corner of sec. 17, T.46N.,R11W.
  • State: Missouri
  • County: MO019—Boone
  • MLRA: 115—Central Mississippi Valley Wooded Slopes

    • PEDON

  • Describers Name: FJY and MWO
  • 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 - Rocheport
  • PSC - 36 to 76 cm.
  • Classificaton Date - 7/9/1991
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/9/1991 (actual site observation date)
  • Air Photo ID: 46
  • 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

    lithic contact

    0—36

    36—76

    76—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

    20

    —

    —

    —

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 1 centimeters (0.0 to 0.4 inches); fragments.
    A—1 to 6 centimeters (0.4 to 2.4 inches); very dark grayish brown (10YR 3/2) and dark brown (10YR 3/3), pale brown (10YR 6/3), dry; silt loam; moderate very fine granular, and moderate medium subangular blocky structure; very friable; 6.0 very fine and fine roots and 0.1 medium roots; fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # MU040370
    E1—6 to 24 centimeters (2.4 to 9.4 inches); yellowish brown (10YR 5/4) cobbly silt loam; weak fine subangular blocky structure; very friable; 6.0 very fine roots and 6.0 coarse roots; 25 percent by volume 75-162-250 millimeter unspecified fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU040371
    E2—24 to 37 centimeters (9.4 to 14.6 inches); yellowish brown (10YR 5/4) very cobbly silt loam; weak fine subangular blocky structure; very friable; 6.0 very fine roots and 6.0 coarse roots; 5 percent by volume 2-39-75 millimeter unspecified fragments and 40 percent by volume 75-162-250 millimeter unspecified fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU040372
    Bt1—37 to 62 centimeters (14.6 to 24.4 inches); dark yellowish brown (10YR 4/4) cobbly silty clay loam; moderate medium subangular blocky structure; firm; 3.0 very fine roots and 6.0 fine and medium roots and 3.0 coarse roots; 35 percent distinct clay films on faces of peds and 35 percent distinct silt coats; 5 percent by volume 2-39-75 millimeter unspecified fragments and 20 percent by volume 75-162-250 millimeter unspecified fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU040373
    Bt2—62 to 77 centimeters (24.4 to 30.3 inches); dark yellowish brown (10YR 4/4) cobbly silty clay loam; moderate medium subangular blocky structure; firm; 3.0 very fine to medium roots; 15 percent prominent clay films on faces of peds and 15 percent manganese or iron-manganese stains and 60 percent distinct and 60 percent distinct silt coats on faces of peds; 5 percent by volume 2-39-75 millimeter unspecified fragments and 25 percent by volume 75-162-250 millimeter unspecified fragments; very strongly acid, pH 4.5, hellige-truog. Lab sample # MU040374
    R—77 centimeters (30.3 inches); bedrock; fragments.