IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: S1984IA1630013
  • User Pedon ID: 84IA1630013
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0417
  • NCSS Pedon Lab Data NASIS Record ID - 56133
  • Print Date: 5/20/2024
  • 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: 41.7041664
  • Std. Longitude: -90.8166656
  • Datum: WGS84
  • Township: 80N
  • Range: 1E
  • Section: 27
  • PLSS Details: 262 feet east and 798 feet south of center
  • State: Iowa
  • County: IA163—Scott
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IA163—Scott County, Iowa
  • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, mesic Mollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Downs
  • PSC - 30 to 80 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Snd
  • Classificaton Date - 11/1/1984
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: upland
  • Landform: upland slope
  • Hill Slope Profile: summit
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/1984 (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

    mollic epipedon

    argillic horizon

    0—23

    30—112

    —-

    —-

    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

    3

    0

    1Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark grayish brown (10YR 3/2) interior silt loam; weak very fine granular structure; friable; 5.5 fine roots; fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 85P02045. Some mixing of (10YR 4/3) and undecomposed plant material.; many fine roots
    1AB—23 to 30 centimeters (9.1 to 11.8 inches); brown (10YR 4/3) interior silty clay loam; moderate very fine granular structure; friable; 5.5 fine roots; , moist, clay films on faces of peds and 55 percent dark brown (10YR 3/3), moist, organic stains on faces of peds; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 85P02046. many organic coats surface features on faces of peds; many fine roots; patchy - phpvsfiid 218533; patchy - phpvsfiid 218533
    1Bt1—30 to 46 centimeters (11.8 to 18.1 inches); brown (10YR 4/3) interior silty clay loam; moderate very fine subangular blocky structure; friable; 5.5 fine roots; , moist, clay films on faces of peds; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 85P02047. many fine roots; continuous - phpvsfiid 218534; continuous - phpvsfiid 218534
    1Bt2—46 to 61 centimeters (18.1 to 24.0 inches); dark yellowish brown (10YR 4/4) interior silty clay loam; moderate very fine and fine subangular blocky structure; friable; 2.5 fine roots; brown (10YR 4/3), moist, clay films on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; gradual wavy boundary. Lab sample # 85P02048. common fine roots; continuous - phpvsfiid 218535; continuous - phpvsfiid 218535
    1Bt3—61 to 74 centimeters (24.0 to 29.1 inches); brown (10YR 5/3) interior silty clay loam; 1 percent grayish brown (10YR 5/2) fine faint and 1 percent yellowish brown (10YR 5/8) fine distinct mottles; moderate fine subangular blocky structure; friable; 2.5 fine roots; brown (10YR 4/3), moist, clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments; moderately acid, pH 6.0, hellige-truog. Lab sample # 85P02049. few fine iron-manganese concretions concentrations; common fine roots; few fine faint 10YR52 mottles; few fine distinct 10YR58 mottles; continuous - phpvsfiid 218536; continuous - phpvsfiid 218536
    1Bt3—74 to 86 centimeters (29.1 to 33.9 inches); brown (10YR 5/3) interior silty clay loam; 1 percent grayish brown (10YR 5/2) fine faint and 1 percent yellowish brown (10YR 5/8) fine distinct mottles; moderate fine subangular blocky structure; friable; 2.5 fine roots; brown (10YR 4/3), moist, clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments; moderately acid, pH 6.0, hellige-truog; gradual wavy boundary. Lab sample # 85P02050. few fine iron-manganese concretions concentrations; common fine roots; few fine faint 10YR52 mottles; few fine distinct 10YR58 mottles; continuous - phpvsfiid 218537; continuous - phpvsfiid 218537
    1Bt4—86 to 112 centimeters (33.9 to 44.1 inches); brown (10YR 5/3) interior silty clay loam; weak medium prismatic, and moderate medium subangular blocky structure; friable; 2.5 fine roots; , moist, clay films on horizontal faces of peds and , moist, clay films on vertical faces of peds and 15 percent dark brown (7.5YR 3/2), moist, coats on vertical faces of peds; 1 percent fine iron-manganese concretions; fragments; moderately acid, pH 6.0, hellige-truog; gradual wavy boundary. Lab sample # 85P02051. few fine iron-manganese concretions concentrations; few coats surface features on vertical faces of peds; common fine roots; discontinuous - phpvsfiid 218538; continuous - phpvsfiid 218539; discontinuous - phpvsfiid 218538; continuous - phpvsfiid 218539
    1BC—112 to 142 centimeters (44.1 to 55.9 inches); brown (10YR 5/3) interior silty clay loam; 1 percent strong brown (7.5YR 5/8) fine prominent and 11 percent grayish brown (10YR 5/2) fine faint and 11 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium subangular blocky structure; friable; 0.5 fine roots; 1 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.2, hellige-truog; gradual wavy boundary. Not sampled.; few fine iron-manganese concretions concentrations; few fine roots; common fine faint 10YR52 mottles; common fine distinct 10YR56 mottles; few fine prominent 7.5YR58 mottles
    1C—142 to 152 centimeters (55.9 to 59.8 inches); brown (10YR 5/3) interior and grayish brown (10YR 5/2) silt loam; 1 percent strong brown (7.5YR 5/8) fine prominent and 11 percent yellowish brown (10YR 5/6) fine distinct mottles; massive; friable; 1 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.4, hellige-truog. Not sampled.; few fine iron-manganese concretions concentrations; common fine distinct 10YR56 mottles; few fine prominent 7.5YR58 mottles