IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: S1984IA005010
  • User Pedon ID: S1984IA005010
  • Vegetation Plot ID: S1984IA005010
  • 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 # - X3-162E-7
  • NCSS Pedon Lab Data NASIS Record ID - 75170
  • Print Date: 12/4/2024

    • 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: 43.3613793
  • Std. Longitude: -91.3416950
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 99N
  • Range: 4W
  • Section: 29
  • PLSS Details: 2000 feet north and 2450 feet west of the southeast corner
  • Location Description: 95 feet of field edge, below sandstone outcrop
  • Country: US—United States
  • State: Iowa
  • County: IA005—Allamakee
  • 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: IA005—Allamakee 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 PC 6.0B
  • Pedon #: 13
  • Correlated Information:
  • Soil Name - Downs
  • PSC - 61 to 111 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 - Tama
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Taxon Kind - taxadjunct
  • PSC - 61 to 111 cm.
  • Classificaton Date - 11/19/1984
  • Classifier - Robert Vobora
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • 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: valley
  • 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: 11/19/1984 (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

    cambic horizon

    —

    —

    —-

    —-
    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

    15

    —

    —

    341

    —

    0

    899

    —

    155

    8

    22

    -5

    12

    22

    2

    558

    —

    00134624

    LANSING 4 SE, IA US

    NOAA
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1), dark grayish brown (10YR 4/2), dry; clay loam; 35 percent sand; 30 percent clay; moderate fine subangular blocky structure; friable; few very fine roots; 1 percent by volume nonflat unspecified fragments observed by visual inspection method; neutral, pH 7.0, unspecified; gradual smooth boundary. Lab sample # ISU03409. few 1% gravel size particles
    A1—20 to 46 centimeters (7.9 to 18.1 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; loam; 30 percent sand; 25 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; friable; few very fine roots and few fine roots; fragments; neutral, pH 7.0, unspecified; clear smooth boundary. Lab sample # ISU03410
    A2—46 to 61 centimeters (18.1 to 24.0 inches); 90 percent very dark brown (10YR 2/2) and 10 percent dark grayish brown (10YR 4/2), dark grayish brown (10YR 4/2), dry; clay loam; 25 percent sand; 28 percent clay; weak fine subangular blocky structure; friable; few very fine roots and few fine roots; fragments; neutral, pH 7.0, unspecified; abrupt smooth boundary. Lab sample # ISU03411
    Bw1—61 to 74 centimeters (24.0 to 29.1 inches); 80 percent brown (10YR 4/3) and 20 percent very dark grayish brown (10YR 3/2) silty clay loam; 15 percent sand; 30 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; friable; few very fine roots; fragments; slightly acid, pH 6.2, unspecified; clear smooth boundary. Lab sample # ISU03412
    Bw2—74 to 94 centimeters (29.1 to 37.0 inches); 90 percent brown (10YR 4/3) and 5 percent dark brown (10YR 3/3) and 5 percent very dark grayish brown (10YR 3/2) silty clay loam; 10 percent sand; 28 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; friable; few very fine roots; fragments; moderately acid, pH 6.0, unspecified; gradual smooth boundary. Lab sample # ISU03413
    Bw3—94 to 109 centimeters (37.0 to 42.9 inches); 95 percent dark yellowish brown (10YR 4/4) and 5 percent dark brown (10YR 3/3) silty clay loam; 5 percent sand; 27 percent clay; weak medium subangular blocky structure; friable; few very fine roots; very dark grayish brown (10YR 3/2), moist, coats; fragments; slightly acid, pH 6.2, unspecified; clear smooth boundary. Lab sample # ISU03414. <5% sand; discontinuous - phpvsfiid 1361935; discontinuous - phpvsfiid 1361935
    Bw4—109 to 152 centimeters (42.9 to 59.8 inches); dark yellowish brown (10YR 4/4) silty clay loam; 5 percent sand; 30 percent clay; weak medium subangular blocky structure; friable; few very fine roots; fragments; moderately acid, pH 6.0, unspecified smooth boundary. Lab sample # ISU03415. <5% sand