IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: S1990IA191004
  • User Pedon ID: S1990IA191004
  • Vegetation Plot ID: S1990IA191004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X191162B-7
  • NCSS Pedon Lab Data NASIS Record ID - 74974
  • 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: 43.1834875
  • Std. Longitude: -91.6978496
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 97N
  • Range: 7W
  • Section: 29
  • PLSS Details: 60 feet north and 1470 feet east of the southwest corner
  • Country: US—United States
  • State: Iowa
  • County: IA191—Winneshiek
  • 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: IA191—Winneshiek County, Iowa

    • PEDON

  • Describers Name: Robert Vobora
  • 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 PC6.1B
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - Downs
  • PSC - 28 to 78 cm.
  • Classificaton Date - 5/7/1990
  • Classifier - Robert Vobora
  • 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 - 28 to 78 cm.
  • Classificaton Date - 5/7/1990
  • Classifier - Robert Vobora
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • 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 over till
  • Landscape: upland
  • 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: 5/7/1990 (actual site observation date)
  • Data Collector: Robert Vobora
  • 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

    lithologic discontinuity

    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

    3

    —

    —

    —

    —

    180

    899

    —

    155

    8

    22

    -5

    12

    22

    2

    558

    —

    00132110

    DECORAH, IA US

    NOAA
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark brown (10YR 2/2) silt loam; 16 percent clay; moderate fine subangular blocky, and moderate very fine subangular blocky structure; friable; common very fine roots; fragments; slightly alkaline, pH 7.4, unspecified; abrupt smooth boundary. Lab sample # ISU02357; observed in push tube
    BA—20 to 28 centimeters (7.9 to 11.0 inches); 90 percent brown (10YR 4/3) and 10 percent very dark grayish brown (10YR 3/2) silt loam; 16 percent clay; weak thick platy parts to moderate fine subangular blocky, and weak thick platy parts to moderate very fine subangular blocky structure; friable; few very fine roots; dark brown (10YR 3/3), moist, clay films; fragments; slightly acid, pH 6.4, unspecified; clear smooth boundary. Lab sample # ISU02358; observed in push tube. continuous - phpvsfiid 1325345; continuous - phpvsfiid 1325345
    Bt1—28 to 43 centimeters (11.0 to 16.9 inches); 98 percent dark yellowish brown (10YR 4/4) and 2 percent very dark grayish brown (10YR 3/2) silt loam; 20 percent clay; friable; few very fine roots; brown (10YR 4/3), moist, clay films; worm casts; fragments; neutral, pH 6.8, unspecified; gradual smooth boundary. Lab sample # ISU02359, ISU02360; observed in push tube. continuous - phpvsfiid 1325346; continuous - phpvsfiid 1325346
    Bt2—43 to 76 centimeters (16.9 to 29.9 inches); dark yellowish brown (10YR 4/4) silt loam; 26 percent clay; weak medium prismatic structure; friable; few very fine roots; silt coats and brown (10YR 4/3), moist, clay films; fragments; neutral, pH 6.6, unspecified; gradual smooth boundary. Lab sample # ISU02361, ISU02362, ISU02363; observed in push tube. patchy - phpvsfiid 1325353; patchy - phpvsfiid 1325353
    Bt3—76 to 94 centimeters (29.9 to 37.0 inches); dark yellowish brown (10YR 4/4) silt loam; 20 percent clay; weak medium prismatic structure; friable; few very fine roots; silt coats and brown (10YR 4/3), moist, clay films; fragments; slightly acid, pH 6.4, unspecified; clear smooth boundary. Lab sample # ISU02364, ISU02365; observed in push tube
    Bt4—94 to 112 centimeters (37.0 to 44.1 inches); dark yellowish brown (10YR 4/4) silt loam; 18 percent clay; light brownish gray (10YR 6/2) fine distinct and yellowish brown (10YR 5/6) fine distinct mottles; weak medium prismatic structure; friable; few very fine roots; silt coats and brown (10YR 4/3), moist, clay films; fragments; slightly acid, pH 6.4, unspecified; gradual smooth boundary. Lab sample # ISU02366, ISU02367; observed in push tube
    BC—112 to 132 centimeters (44.1 to 52.0 inches); yellowish brown (10YR 5/4) silt loam; 18 percent clay; light brownish gray (10YR 6/2) fine distinct and yellowish brown (10YR 5/6) fine distinct mottles; weak medium prismatic structure; friable; few very fine roots; silt coats and dark yellowish brown (10YR 4/4), moist, clay films; fragments; neutral, pH 6.6, unspecified; gradual smooth boundary. Lab sample # ISU02369, ISU02368; observed in push tube
    C—132 to 152 centimeters (52.0 to 59.8 inches); yellowish brown (10YR 5/6) silt loam; 18 percent clay; yellowish brown (10YR 5/8) fine distinct and light brownish gray (10YR 6/2) fine distinct mottles; structureless massive; friable; few very fine roots; silt coats and thin dark yellowish brown (10YR 4/4), moist, clay films on vertical faces of peds; fragments; neutral, pH 6.8, unspecified. Lab sample # ISU02370; observed in push tube. discontinuous - phpvsfiid 1325363; discontinuous - phpvsfiid 1325363
    C—436 to 447 centimeters (171.7 to 176.0 inches); light brownish gray (10YR 6/2) silt loam; strong brown (7.5YR 5/6) coarse prominent mottles; fragments.; observed in push tube
    2C—447 to 448 centimeters (176.0 to 176.4 inches); yellowish brown (10YR 5/6) and dark yellowish brown (10YR 4/6); mixed fragments observed by visual inspection method.; observed in push tube. glacial till is leached