IDENTIFIERS

  • Current Taxon Name (Soil Name): Port Byron
  • OSD
  • Series Extent
  • User Site ID: S1984IA005008
  • User Pedon ID: S1984IA005008
  • Vegetation Plot ID: S1984IA005008
  • User Site Association ID: MLRA 105 - Deep Loess Soils - Glaciated Uplands - FY21 ProjLoamy-Silty Uplands (MN, IA, WI) DSP Project 2021-2024
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X3-620B-1
  • NCSS Pedon Lab Data NASIS Record ID - 75196
  • Print Date: 2/17/2025
  • 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: 43.4942696
  • Std. Longitude: -91.3863839
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 100N
  • Range: 5W
  • Section: 12
  • PLSS Details: 2070 feet south and 1495 feet east of the northwest corner
  • 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 Typic Hapludolls
  • 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 #: 8
  • Correlated Information:
  • Soil Name - Port Byron
  • 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 - Port Byron
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Typic Hapludolls
  • Taxon Kind - series
  • PSC - 33 to 83 cm.
  • Classificaton Date - 10/21/1984
  • 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: ridge
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: sandstone, unspecified at 274cm
  • 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: 10/2/1984 (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

    mollic epipedon

    cambic 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

    354

    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) silt loam; 20 percent clay; weak fine subangular blocky structure; common very fine roots; fragments; neutral, pH 6.8, unspecified; clear smooth boundary. Lab sample # ISU01373
    A—20 to 33 centimeters (7.9 to 13.0 inches); very dark grayish brown (10YR 3/2) and very dark brown (10YR 2/2) and brown (10YR 4/3) silt loam; 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 # ISU01374
    Bw1—33 to 48 centimeters (13.0 to 18.9 inches); dark yellowish brown (10YR 4/4) silt loam; 26 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; friable; few very fine roots; dark brown (10YR 3/3), moist, coats on all faces of peds; fragments; neutral, pH 6.8, unspecified; clear smooth boundary. Lab sample # ISU01375. continuous - phpvsfiid 1181125; continuous - phpvsfiid 1181125
    Bw2—48 to 66 centimeters (18.9 to 26.0 inches); dark yellowish brown (10YR 4/4) silty clay loam; 30 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; friable; few very fine roots; brown (10YR 4/3), moist, coats on all faces of peds; fragments; neutral, pH 6.6, unspecified; gradual smooth boundary. Lab sample # ISU01376. continuous - phpvsfiid 1181126; continuous - phpvsfiid 1181126
    Bw3—66 to 91 centimeters (26.0 to 35.8 inches); dark yellowish brown (10YR 4/4) silt loam; 26 percent clay; yellowish brown (10YR 5/6) fine distinct and strong brown (7.5YR 4/6) fine prominent mottles; weak medium prismatic, and moderate fine subangular blocky, and moderate medium subangular blocky structure; friable; few very fine roots and few fine roots; brown (10YR 4/3), moist, coats on all faces of peds; fragments; slightly acid, pH 6.2, unspecified; gradual smooth boundary. Lab sample # ISU01377. continuous - phpvsfiid 1181127; continuous - phpvsfiid 1181127
    BC—91 to 135 centimeters (35.8 to 53.1 inches); grayish brown (10YR 5/2) and brown (10YR 5/3) silt loam; 26 percent clay; strong brown (7.5YR 4/6) fine prominent and light brownish gray (10YR 6/2) fine distinct mottles; weak coarse prismatic structure; friable; few very fine roots; fragments; slightly acid, pH 6.2, unspecified; clear smooth boundary. Lab sample # ISU01378. common fine black oxides
    C1—135 to 168 centimeters (53.1 to 66.1 inches); brown (10YR 5/3) and grayish brown (10YR 5/2) and light brownish gray (10YR 6/2) and strong brown (7.5YR 4/6) silt loam; 26 percent clay; massive; friable; fragments; moderately acid, pH 6.0, unspecified; abrupt smooth boundary. Lab sample # ISU01379. mottled matrix colors, few fine black oxides
    2C2—168 to 274 centimeters (66.1 to 107.9 inches); brown (7.5YR 4/4) clay; 45 percent clay; strong brown (7.5YR 5/6) fine distinct and yellowish red (5YR 4/6) fine distinct mottles; massive; firm; fragments; moderately acid, pH 6.0, unspecified. Lab sample # ISU01380