IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: S1969IA043002
  • User Pedon ID: S1969IA043002
  • Vegetation Plot ID: S1969IA043002
  • User Site Association ID: MLRA 105 - Deep Loess Soils - Glaciated Uplands - FY21 Proj
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X22-162-1
  • NCSS Pedon Lab Data NASIS Record ID - 75036
  • Print Date: 11/21/2024

    • 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: 43.0642139
  • Std. Longitude: -91.5981524
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 95N
  • Range: 6W
  • Section: 7
  • PLSS Details: 510 feet south and 400 feet west of northeast corner NE1/4NW1/4
  • 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: Maurice Massbach, John Highland
  • 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
  • Correlated Information:
  • Soil Name - Downs
  • PSC - 33 to 83 cm.
  • Classificaton Date - 3/14/2022
  • Classifier - Shaunna Repking
  • Soil Taxonomic Edition - twelfth edition
  • 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 - 33 to 83 cm.
  • Classificaton Date - 7/8/1969
  • Classifier - Maurice Massbach
  • 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
  • Landform: ridge
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • 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

  • Vegplot Text Note(s): A scan of the original data (i.e. field sheet(s), edits, manuscripts, notes, and other associated data) is available in the scans archive.

    • SITE OBSERVATION

  • Observation Date: 7/8/1969 (actual site observation date)
  • Data Collector: Maurice Massbach
  • 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

    BROMU

    MEDIC

    Bromus

    Medicago

    brome

    alfalfa

    grass/grasslike

    forb

    —

    —

    —

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

    ochric epipedon

    argillic horizon

    albic horizon

    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

    —

    —

    —

    —

    —

    899

    —

    155

    8

    22

    -5

    12

    22

    2

    558

    —

    00132603

    ELKADER 6 SSW, IA US

    NOAA
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2) silt loam; weak cloddy parts to weak fine granular structure; friable; fragments; abrupt boundary. Lab sample # ISU00036
    E—18 to 33 centimeters (7.1 to 13.0 inches); brown (10YR 4/3) exterior and dark yellowish brown (10YR 4/4) interior silty clay loam; 23 percent clay; weak fine subangular blocky structure; friable; gray (10YR 6/1), dry, coats; fragments; clear boundary. Lab sample # ISU00037. light sicl; discontinuous - phpvsfiid 1248830; discontinuous - phpvsfiid 1248830
    Bt1—33 to 56 centimeters (13.0 to 22.0 inches); dark yellowish brown (10YR 4/4) exterior and yellowish brown (10YR 5/4) interior silty clay loam; 32 percent clay; moderate fine subangular blocky structure; friable; very dark grayish brown (10YR 3/2), moist, clay films and gray (10YR 6/1), dry, coats; fragments; gradual boundary. Lab sample # ISU00038. discontinuous - phpvsfiid 1248831; discontinuous - phpvsfiid 1248832; discontinuous - phpvsfiid 1248831; discontinuous - phpvsfiid 1248832
    Bt2—56 to 89 centimeters (22.0 to 35.0 inches); dark yellowish brown (10YR 4/4) silty clay loam; 31 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky, and moderate fine angular blocky, and moderate medium angular blocky structure; friable; dark yellowish brown (10YR 3/4), moist, clay films and gray (10YR 6/1), dry, coats; fragments; gradual boundary. Lab sample # ISU00039, ISU00040. discontinuous - phpvsfiid 1248833; discontinuous - phpvsfiid 1248833
    BC1—89 to 112 centimeters (35.0 to 44.1 inches); yellowish brown (10YR 5/4) silty clay loam; 29 percent clay; strong brown (7.5YR 5/6) very fine and grayish brown (10YR 5/2) very fine mottles; moderate medium subangular blocky structure; friable; gray (10YR 5/1), dry, coats and dark yellowish brown (10YR 3/4), moist, clay films; fragments; gradual boundary. Lab sample # ISU00041. light sicl
    BC2—112 to 137 centimeters (44.1 to 53.9 inches); yellowish brown (10YR 5/4) silt loam; 26 percent clay; brown (7.5YR 5/4) very fine and grayish brown (10YR 5/2) very fine mottles; weak coarse subangular blocky structure; friable; gray (10YR 6/1), dry, coats; fragments; gradual boundary. Lab sample # ISU00042
    C1—137 to 163 centimeters (53.9 to 64.2 inches); yellowish brown (10YR 5/4) silt loam; grayish brown (10YR 5/2) and yellowish brown (10YR 5/6) mottles; massive; friable; fragments. Lab sample # ISU00043
    C2—163 to 213 centimeters (64.2 to 83.9 inches); yellowish brown (10YR 5/6) and grayish brown (2.5Y 5/2) silt loam; massive; fragments. Lab sample # ISU00044. mottled