IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: S1984IA005013
  • User Pedon ID: S1984IA005013
  • Vegetation Plot ID: S1984IA005013
  • 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-6
  • NCSS Pedon Lab Data NASIS Record ID - 75169
  • Print Date: 6/1/2024

    • 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: 43.3615632
  • Std. Longitude: -91.3413976
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 99N
  • Range: 4W
  • Section: 29
  • PLSS Details: 2400 feet north and 2050 feet north of the southeast corner
  • Location Description: 35 feet south 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 #: 12
  • Correlated Information:
  • Soil Name - Downs
  • PSC - 38 to 88 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 - 38 to 88 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

    17

    —

    —

    347

    —

    180

    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); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; loam; 35 percent sand; 23 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; friable; few very fine roots and few fine roots; fragments; slightly alkaline, pH 7.4, unspecified; clear smooth boundary. Lab sample # ISU01395
    A—20 to 30 centimeters (7.9 to 11.8 inches); very dark grayish brown (10YR 3/2) and very dark brown (10YR 2/2), dark grayish brown (10YR 4/2) and grayish brown (10YR 5/2), dry; loam; 70 percent sand; 20 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; friable; few very fine roots; fragments; neutral, pH 6.6, unspecified; clear smooth boundary. Lab sample # ISU01396
    BA—30 to 38 centimeters (11.8 to 15.0 inches); brown (10YR 4/3) and dark brown (10YR 3/3) and very dark grayish brown (10YR 3/2), 10YR (10YR/),, dry; loam; 30 percent sand; 23 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; friable; few very fine roots; fragments; neutral, pH 6.8, unspecified; clear smooth boundary. Lab sample # ISU01397. no value or chroma on original field sheet so these cells were left blank.
    Bw1—38 to 51 centimeters (15.0 to 20.1 inches); 85 percent brown (10YR 4/3) and 15 percent very dark grayish brown (10YR 3/2) clay loam; 25 percent sand; 28 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; friable; few very fine roots; weakly coherent cemented ? to 3-? millimeter sandstone, unspecified fragments observed by visual inspection method; neutral, pH 6.6, unspecified; gradual smooth boundary. Lab sample # ISU01398. few 3mm 7.5YR5/8 soft sandstone pieces
    Bw2—51 to 71 centimeters (20.1 to 28.0 inches); 85 percent dark yellowish brown (10YR 4/4) and 15 percent very dark grayish brown (10YR 3/2) silty clay loam; 15 percent sand; 30 percent clay; weak medium subangular blocky structure; friable; few very fine roots; sandstone, unspecified fragments observed by visual inspection method; neutral, pH 6.6, unspecified; clear smooth boundary. Lab sample # ISU01399. very few sandstone pieces, medium sand
    Bw3—71 to 81 centimeters (28.0 to 31.9 inches); 95 percent dark yellowish brown (10YR 4/4) and 5 percent very dark grayish brown (10YR 3/2) silty clay loam; 10 percent sand; 30 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; friable; few very fine roots; sandstone, unspecified fragments observed by visual inspection method; neutral, pH 6.6, unspecified; clear smooth boundary. Lab sample # ISU01400. very few sandstone pieces, <5% 10YR3/2 mixings
    Bw4—81 to 117 centimeters (31.9 to 46.1 inches); dark yellowish brown (10YR 4/4) silt loam; 25 percent clay; weak medium subangular blocky structure; friable; few very fine roots; fragments; neutral, pH 6.8, unspecified; abrupt smooth boundary. Lab sample # ISU01401
    C—117 to 152 centimeters (46.1 to 59.8 inches); dark yellowish brown (10YR 4/4) and greenish gray (5GY 6/1) and dark brown (7.5YR 3/2) stratified stratified silt loam to silty clay; massive; friable; sandstone, unspecified fragments observed by visual inspection method and limestone, unspecified fragments observed by visual inspection method; slightly alkaline, pH 7.4, unspecified. Lab sample # ISU01402. few limestone and sandstone fragments, poctes of 5GY6/1 [unreadable text] and 7.5YR3/2, stratified sil, sic, [unreadable text] shale