IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: S1984IA1030011
  • User Pedon ID: 84IA1030011
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0397
  • NCSS Pedon Lab Data NASIS Record ID - 56113
  • Print Date: 11/12/2024

    • 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: 41.6616669
  • Std. Longitude: -91.4333344
  • Datum: WGS84
  • Township: 79N
  • Range: 5W
  • Section: 9
  • PLSS Details: 760 feet south and 201 feet west of center
  • State: Iowa
  • County: IA103—Johnson
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IA103—Johnson 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 - 33 to 83 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Downs
  • Taxonomic Class - Fine-silty, mixed, mesic Mollic Hapludalf
  • Taxon Kind - series
  • Classificaton Date - 11/1/1984
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • 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

    ochric epipedon

    argillic horizon

    0—20

    33—109

    —-

    —-
    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

    5

    —

    —

    —

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) interior, grayish brown (10YR 5/2) interior, dry; silt loam; weak very fine granular structure; friable; 5.5 fine roots; fragments; moderately acid, pH 5.6, hellige-truog. Lab sample # 85P01925. many fine roots
    1BA—20 to 33 centimeters (7.9 to 13.0 inches); brown (10YR 4/3) interior silty clay loam; moderate very fine granular structure; friable; 5.5 fine roots; 37 percent dark brown (10YR 3/3), moist, organic stains on faces of peds; fragments; slightly acid, pH 6.2, hellige-truog. Lab sample # 85P01926. common organic coats surface features on faces of peds; many fine roots
    1Bt1—33 to 48 centimeters (13.0 to 18.9 inches); brown (10YR 4/3) interior silty clay loam; moderate very fine subangular blocky structure; friable; 2.5 fine roots; , moist, clay films on faces of peds; 1 percent fine dark concretions; fragments; slightly acid, pH 6.4, hellige-truog. Lab sample # 85P01927. few fine dark concretions concentrations; common fine roots; continuous - phpvsfiid 218449; continuous - phpvsfiid 218449
    1Bt2—48 to 64 centimeters (18.9 to 25.2 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; 1 percent fine dark concretions; fragments; slightly acid, pH 6.4, hellige-truog. Lab sample # 85P01928. few fine dark concretions concentrations; common fine roots; continuous - phpvsfiid 218450; continuous - phpvsfiid 218450
    1Bt3—64 to 79 centimeters (25.2 to 31.1 inches); dark yellowish brown (10YR 4/4) interior silty clay loam; moderate fine and medium subangular blocky structure; friable; 2.5 fine roots; , moist, clay films on faces of peds; 1 percent fine dark concretions; fragments; moderately acid, pH 5.8, hellige-truog. Lab sample # 85P01929. few fine dark concretions concentrations; common fine roots; continuous - phpvsfiid 230710; continuous - phpvsfiid 230710
    1Bt4—79 to 94 centimeters (31.1 to 37.0 inches); dark yellowish brown (10YR 4/4) interior silty clay loam; weak medium prismatic, and weak fine and medium subangular blocky structure; friable; 2.5 fine roots; , moist, clay films on faces of peds; 1 percent fine dark concretions; fragments; moderately acid, pH 5.8, hellige-truog. Lab sample # 85P01930. few fine dark concretions concentrations; common fine roots; continuous - phpvsfiid 230711; continuous - phpvsfiid 230711
    1Bt5—94 to 109 centimeters (37.0 to 42.9 inches); yellowish brown (10YR 5/4) interior silty clay loam; 1 percent yellowish brown (10YR 5/6) fine faint mottles; weak medium prismatic, and moderate medium subangular blocky structure; friable; 2.5 fine roots; dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; 1 percent fine dark concretions; fragments; moderately acid, pH 5.8, hellige-truog. Not sampled.; few fine dark concretions concentrations; common fine roots; few fine faint 10YR56 mottles; continuous - phpvsfiid 230712; continuous - phpvsfiid 230712
    2BC—109 to 127 centimeters (42.9 to 50.0 inches); yellowish brown (10YR 5/4) interior silty clay loam; 1 percent grayish brown (10YR 5/2) fine faint and 11 percent yellowish brown (10YR 5/6) fine faint mottles; weak medium prismatic structure; friable; 0.5 fine roots; 1 percent fine dark concretions; fragments; moderately acid, pH 5.8, hellige-truog. Not sampled.; few fine dark concretions concentrations; few fine roots; few fine faint 10YR52 mottles; common fine faint 10YR56 mottles
    1C—127 to 152 centimeters (50.0 to 59.8 inches); yellowish brown (10YR 5/4) interior silty clay loam; 1 percent grayish brown (10YR 5/2) fine faint and 11 percent yellowish brown (10YR 5/6) fine faint mottles; massive; friable; 0.5 fine roots; 1 percent fine dark concretions; fragments; moderately acid, pH 6.0, hellige-truog. Not sampled.; few fine dark concretions concentrations; few fine roots; common fine faint 10YR56 mottles; few fine faint 10YR52 mottles