IDENTIFIERS

  • Current Taxon Name (Soil Name): Cobbsfork
  • OSD
  • Series Extent
  • User Site ID: S1990IN143018
  • User Pedon ID: 90IN143018
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0108
  • NCSS Pedon Lab Data NASIS Record ID - 63155
  • Print Date: 2/16/2025

    • 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: 38.8161125
  • Std. Longitude: -85.7130585
  • Datum: WGS84
  • Township: 4N
  • Range: 7E
  • Section: 2
  • PLSS Details: 265 feet W and 120 feet S of the center
  • Location Description: Scott Co.
  • State: Indiana
  • County: IN143—Scott
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain

    • PEDON

  • Describers Name: Byron Nagel
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Typic Fragiaqualfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 18
  • Correlated Information:
  • Soil Name - Cobbsfork
  • Classificaton Date - 6/15/2007
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Cobbsfork
  • Taxonomic Class - Fine-silty, mixed, mesic Typic Ochraqualf
  • Taxon Kind - series
  • Classificaton Date - 9/1/1990
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Runoff: very low
  • Drainage Class: poorly
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1990 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop 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

    ochric epipedon

    argillic horizon

    0—18

    53—229

    —-

    —-
    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

    0

    —

    —

    185

    —

    109

    —

    —

    12

    23

    0

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); light brownish gray (10YR 6/2), white (10YR 8/1), dry; silt loam; 30 percent brown (10YR 5/3) fine distinct mottles; moderate fine granular structure; friable; 2.5 very fine and fine roots throughout; 37 percent prominent yellowish red (5YR 5/8), moist, iron stains throughout; 11 percent fine spherical iron-manganese concretions; fragments; very strongly acid, pH 5.0, bromcresol green; abrupt smooth boundary. Lab sample # 91P00619; moist when described;. common fine iron-manganese concretions concentrations; common iron stains surface features throughout; common very fine and fine roots throughout; many fine distinct 10YR53 mottles; discontinuous - phpvsfiid 225969; discontinuous - phpvsfiid 225969
    BEg—18 to 53 centimeters (7.1 to 20.9 inches); light brownish gray (10YR 6/2) silt loam; 11 percent strong brown (7.5YR 5/8) medium prominent mottles; subangular blocky structure; friable; 0.5 very fine and fine roots throughout; 11 percent fine spherical iron-manganese concretions; fragments; very strongly acid, pH 5.0, bromcresol green; gradual wavy boundary. Lab sample # 91P00620; moist when described;. and 014-021 is 91P0621; common fine iron-manganese concretions concentrations; few very fine and fine roots throughout; common medium prominent 7.5YR58 mottles
    Btg1—53 to 71 centimeters (20.9 to 28.0 inches); light brownish gray (10YR 6/2) silt loam; 11 percent yellowish brown (10YR 5/8) medium prominent and 30 percent light yellowish brown (10YR 6/4) medium distinct mottles; weak medium prismatic, and medium subangular blocky structure; friable; 0.5 very fine roots between peds; 15 percent faint light brownish gray (10YR 6/2), moist, clay films on vertical faces of peds; 1 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 4.8, bromcresol green; clear wavy boundary. Lab sample # 91P00622; moist when described;. few fine soft masses of iron-manganese concentrations; few clay films surface features on vertical faces of peds; few very fine roots between peds; common medium prominent 10YR58 mottles; many medium distinct 10YR64 mottles; discontinuous - phpvsfiid 225970; discontinuous - phpvsfiid 225970
    Btg2—71 to 97 centimeters (28.0 to 38.2 inches); light brownish gray (10YR 6/2) silty clay loam; 1 percent light yellowish brown (10YR 6/4) coarse distinct and 11 percent strong brown (7.5YR 5/6) fine prominent mottles; moderate medium prismatic, and coarse subangular blocky structure; firm; 0.5 very fine roots between peds; 15 percent prominent black (N 2/0), moist, manganese or iron-manganese stains on vertical faces of peds and 37 percent distinct gray (10YR 6/1), moist, clay films on vertical faces of peds; 1 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 4.6, bromcresol green; gradual wavy boundary. Lab sample # 91P00623; moist when described;. about 30% of horizon is sil in pockets; few fine soft masses of iron-manganese concentrations; common clay films surface features on vertical faces of peds; few manganese or iron-manganese stains surface features on vertical faces of peds; few very fine roots between peds; few coarse distinct 10YR64 mottles; common fine prominent 7.5YR56 mottles; continuous - phpvsfiid 225971; discontinuous - phpvsfiid 225972; continuous - phpvsfiid 225971; discontinuous - phpvsfiid 225972
    2Btx1—97 to 130 centimeters (38.2 to 51.2 inches); light brownish gray (10YR 6/2) silt loam; 11 percent yellowish brown (10YR 5/6) medium prominent and 11 percent strong brown (7.5YR 5/6) medium prominent mottles; coarse prismatic structure; firm; 37 percent distinct gray (10YR 6/1), moist, clay films on vertical faces of peds and 37 percent prominent black (N 2/0), moist, manganese or iron-manganese stains on vertical faces of peds; fragments; very strongly acid, pH 4.6, bromcresol green; gradual wavy boundary. Lab sample # 91P00624; moist when described;. common clay films surface features on vertical faces of peds; common manganese or iron-manganese stains surface features on vertical faces of peds; common medium prominent 10YR56 mottles; common medium prominent 7.5YR56 mottles; continuous - phpvsfiid 226173; discontinuous - phpvsfiid 226174; continuous - phpvsfiid 226173; discontinuous - phpvsfiid 226174
    2Btx2—130 to 201 centimeters (51.2 to 79.1 inches); yellowish brown (10YR 5/6) silt loam; 11 percent light brownish gray (10YR 6/2) medium prominent mottles; moderate very coarse prismatic structure; firm; 15 percent faint gray (10YR 6/1), moist, clay films on vertical faces of peds; fragments; very strongly acid, pH 4.6, bromcresol green; diffuse wavy boundary. Lab sample # 91P00625; moist when described;. and 071-079 inches is 91P0627; 91P0626 base saturation at 71 inches; few clay films surface features on vertical faces of peds; common medium prominent 10YR62 mottles; discontinuous - phpvsfiid 226175; discontinuous - phpvsfiid 226175
    3Btb—201 to 229 centimeters (79.1 to 90.2 inches); strong brown (7.5YR 5/8) clay loam; 11 percent light brownish gray (10YR 6/2) medium prominent mottles; weak coarse prismatic structure; firm; 37 percent distinct gray (10YR 6/1), moist, clay films on vertical faces of peds; fragments; strongly acid, pH 5.2, bromcresol green. Lab sample # 91P00628; moist when described;. diffused bdy is from 76 to 83 inches; common clay films surface features on vertical faces of peds; common medium prominent 10YR62 mottles; continuous - phpvsfiid 226176; continuous - phpvsfiid 226176