IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: S1969IA089002
  • User Pedon ID: S1969IA089002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X45-162-1
  • NCSS Pedon Lab Data NASIS Record ID - 75244
  • 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: 43.4862592
  • Std. Longitude: -92.1003444
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 100N
  • Range: 11W
  • Section: 14
  • PLSS Details: 257 feet south and 75 feet west of the northwest corner NE1/4
  • Location Description: toward lower end of divide in uplands
  • Country: US—United States
  • State: Iowa
  • County: IA089—Howard
  • MLRA: 105—Upper Mississippi River Bedrock Controlled Uplands and Valleys
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-ONA—Onalaska, Wisconsin
  • Non-MLRA Soil Survey Area: IA089—Howard County, Iowa
  • PEDON

  • Describers Name: RL Buckner, Bruns
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Pedon PC 5.1
  • Pedon #: 18
  • Correlated Information:
  • Soil Name - Downs
  • PSC - 18 to 68 cm.
  • Classificaton Date - 7/10/1963
  • Classifier - RL Buckner
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Downs
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Taxon Kind - series
  • PSC - 18 to 68 cm.
  • Classificaton Date - 7/10/1963
  • Classifier - RL Buckner
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: not certified
  • QC Status: level 1
  • QA Status: not reviewed


  • SITE

  • Parent Material: loess
  • Landscape: upland
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • Plot/Site Set Up By - Unknown
  • Plot or Site Recorder - Unknown
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/10/1963 (actual site observation date)
  • Data Collector: Buckner
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    lithologic discontinuity

    —-

    —-

    —-

    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

    315

    899

    155

    8

    22

    -5

    12

    22

    2

    558

    00131954

    CRESCO 1 NE, IA US

    NOAA

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; weak fine granular structure; friable; fragments; abrupt smooth boundary. Lab sample # ISU00095. neutral
    Bt1—18 to 30 centimeters (7.1 to 11.8 inches); dark yellowish brown (10YR 4/4) silty clay loam; weak fine subangular blocky structure; friable; dark brown (10YR 3/3), moist, clay films on all faces of peds and very dark grayish brown (10YR 3/2), moist, clay films on surfaces along root channels; fragments; clear smooth boundary. Lab sample # ISU00096. light silty clay loam; slightly acid; discontinuous - phpvsfiid 1117355; discontinuous - phpvsfiid 1117355
    Bt2—30 to 46 centimeters (11.8 to 18.1 inches); dark yellowish brown (10YR 4/4) silty clay loam; weak medium prismatic parts to moderate fine subangular blocky structure; friable; dark brown (7.5YR 3/2), moist, clay films on all faces of peds and silt coats on all faces of peds; fragments; clear smooth boundary. Lab sample # ISU00097. light silty clay loam; ped faces are slightly darker than the interiors; silt coatings are in the lower part of the horizon; very strongly acid
    Bt3—46 to 61 centimeters (18.1 to 24.0 inches); yellowish brown (10YR 5/4) silty clay loam; weak medium prismatic parts to moderate medium subangular blocky structure; friable; dark yellowish brown (10YR 4/4), moist, coats on all faces of peds and silt coats and dark brown (7.5YR 3/2), moist, clay films on all faces of peds; fragments; gradual smooth boundary. Lab sample # ISU00098. light silty clay loam; very strongly acid; continuous - phpvsfiid 1117359; patchy - phpvsfiid 1117361; continuous - phpvsfiid 1117359; patchy - phpvsfiid 1117361
    BCt—61 to 97 centimeters (24.0 to 38.2 inches); yellowish brown (10YR 5/4) silt loam; weak medium prismatic parts to weak coarse subangular blocky structure; friable; dark yellowish brown (10YR 4/4), moist, coats on all faces of peds and silt coats and dark brown (7.5YR 3/2), moist, clay films on all faces of peds; fragments; gradual boundary. Lab sample # ISU00099, ISU00100. heavy silt loam; very strongly acid; discontinuous - phpvsfiid 1117362; patchy - phpvsfiid 1117364; discontinuous - phpvsfiid 1117362; patchy - phpvsfiid 1117364
    BC—97 to 122 centimeters (38.2 to 48.0 inches); yellowish brown (10YR 5/4) silt loam; strong brown (7.5YR 5/6) fine faint and yellowish brown (10YR 5/6) fine faint mottles; weak coarse platy structure; friable; dark brown (7.5YR 3/2), moist, clay films on all faces of peds and dark brown (7.5YR 3/2), moist, clay films on surfaces along root channels and dark brown (7.5YR 3/2), moist, clay films on surfaces along pores and distinct silt coats; fragments; gradual boundary. Lab sample # ISU00101, ISU00102. heavy silt loam; strongly acid; patchy - phpvsfiid 1117365; patchy - phpvsfiid 1117366; patchy - phpvsfiid 1117367; patchy - phpvsfiid 1117365; patchy - phpvsfiid 1117366; patchy - phpvsfiid 1117367
    C1—122 to 155 centimeters (48.0 to 61.0 inches); yellowish brown (10YR 5/4) silt loam; massive; friable; fine dark red (2.5YR 3/6), moist, and yellowish red (5YR 5/8), moist, iron-manganese concretions; fragments. Lab sample # ISU00103, ISU00104. few, fine, soft, 5YR 5/8 oxide concretions that have 2.5YR 3/6 interiors; medium acid
    2C2—155 to 163 centimeters (61.0 to 64.2 inches); fragments. Lab sample # ISU00105