IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: S1975IA043011
  • User Pedon ID: S1975IA043011
  • Vegetation Plot ID: S1975IA043011
  • User Site Association ID: Loamy-Silty Uplands (MN, IA, WI) DSP Project 2021-2024
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X22-162C2
  • NCSS Pedon Lab Data NASIS Record ID - 75038
  • 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: 42.9534277
  • Std. Longitude: -91.3864762
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 94N
  • Range: 5W
  • Section: 13
  • PLSS Details: 198 feet south and 475 feet west of the northeast corner SW1/4SW1/4
  • Country: US—United States
  • State: Iowa
  • County: IA043—Clayton
  • 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: IA043—Clayton County, Iowa

    • PEDON

  • Describers Name: Unknown
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Pedon PC6.0B
  • Pedon #: 27
  • Correlated Information:
  • Soil Name - Downs
  • PSC - 38 to 88 cm.
  • Classificaton Date - 7/16/1975
  • Classifier - Unknown
  • 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 - 38 to 88 cm.
  • Classificaton Date - 7/16/1975
  • Classifier - Unknown
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Agronomic Feature - close grown annual crop, or crop-fallow
  • Current Crop - alfalfa
  • Hydric: no
  • Certification Status: not certified
  • QC Status: not reviewed
  • QA Status: not reviewed


    • SITE

  • Parent Material: Peoria silty loess
  • Landscape: upland
  • Landform: ridge
  • Slope Complexity: simple
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • Plot/Site Set Up By - Unknown
  • Plot or Site Recorder - Unknown

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/16/1975 (actual site observation date)
  • Data Collector: Unknown
  • Surface Water Kind: none observed
  • Hydrology Status: unaltered
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    MEDIC

    Medicago

    alfalfa

    forb

    100

    overstory
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    redox concentrations

    redox depletions with chroma 2 or less

    —

    —

    —

    —

    —-

    —-

    —-

    —-
    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

    7

    —

    —

    —

    —

    270

    899

    —

    155

    8

    22

    -5

    12

    22

    2

    558

    —

    00132603

    ELKADER 6 SSW, IA US

    NOAA
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark grayish brown (10YR 3/2) and brown (10YR 4/3) silt loam; weak fine subangular blocky structure; friable; very dark brown (10YR 2/2), moist,; fragments; moderately acid, pH 6.0, unspecified; abrupt smooth boundary. Lab sample # ISU03866
    EB—23 to 38 centimeters (9.1 to 15.0 inches); yellowish brown (10YR 5/4) silt loam; friable; very dark grayish brown (10YR 3/2), moist,; fragments; moderately acid, pH 5.8, unspecified; clear smooth boundary. Lab sample # ISU03867
    Bt1—38 to 64 centimeters (15.0 to 25.2 inches); yellowish brown (10YR 5/6) silt loam; friable; yellowish brown (10YR 5/4), moist, and brown (10YR 4/3), moist, clay films; fragments; moderately acid, pH 5.6, unspecified; clear smooth boundary. Lab sample # ISU03868, ISU03869, ISU03870
    Bt2—64 to 94 centimeters (25.2 to 37.0 inches); yellowish brown (10YR 5/6) silt loam; grayish brown (10YR 5/2) fine faint mottles; moderate medium subangular blocky structure; friable; brown (10YR 4/3), moist, clay films and light gray (10YR 7/1), dry, silt coats; fragments; strongly acid, pH 5.4, unspecified; clear smooth boundary.
    BC—94 to 117 centimeters (37.0 to 46.1 inches); yellowish brown (10YR 5/4) silt loam; grayish brown (10YR 5/2) fine faint and strong brown (7.5YR 5/6) fine distinct mottles; weak medium prismatic parts to weak medium subangular blocky structure; friable; fragments; strongly acid, pH 5.4, unspecified; clear smooth boundary.
    C—117 to 147 centimeters (46.1 to 57.9 inches); yellowish brown (10YR 5/4); grayish brown (10YR 5/2) fine distinct mottles; friable; fine faint strong brown (7.5YR 5/6), moist, and reddish brown (5YR 4/4), moist, masses of oxidized iron; fragments; strongly acid, pH 5.4, unspecified.