IDENTIFIERS

  • Current Taxon Name (Soil Name): Lawson
  • OSD
  • Series Extent
  • User Site ID: S1976IA061005
  • User Pedon ID: S1976IA061005
  • User Site Association ID: 11-WAV_Lawson_pedons
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X61484
  • NCSS Pedon Lab Data NASIS Record ID - 74835
  • Print Date: 5/29/2024
  • 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: 42.3114926
  • Std. Longitude: -90.8893140
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 87N
  • Range: 1E
  • Section: 30
  • PLSS Details: 790 feet north and 2400 feet east of the southwest corner
  • Country: US—United States
  • State: Iowa
  • County: IA061—Dubuque
  • 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: IA061—Dubuque County, Iowa
  • PEDON

  • Describers Name: Unknown
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Cumulic Hapludolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Pedon PC 5.1
  • Correlated Information:
  • Soil Name - Lawson
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/3/1976
  • Classifier - Unknown
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Lawson
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Cumulic Hapludolls
  • Taxon Kind - taxadjunct
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/3/1976
  • Classifier - Unknown
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Agronomic Feature - crop row on bed or ridge
  • Current Crop - corn
  • Hydric: no
  • Certification Status: not certified
  • QC Status: not reviewed
  • QA Status: not reviewed


  • SITE

  • Parent Material: silty alluvium
  • Landform: terrace on flood plain
  • Slope Complexity: simple
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • Plot/Site Set Up By - Unknown
  • Plot or Site Recorder - Unknown
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/3/1976 (actual site observation date)
  • Data Collector: Unknown
  • Surface Water Kind: none observed
  • Hydrology Status: unaltered
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Extra Moisture Source: none
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    redox concentrations

    —-

    —-

    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

    1

    225

    899

    155

    8

    22

    -5

    12

    22

    2

    558

    NOAA

    Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark grayish brown (10YR 3/2) rubbed and black (10YR 2/1) and very dark gray (10YR 3/1), gray (10YR 5/1), dry; silt loam; weak fine granular structure; friable; fragments; abrupt smooth boundary. Lab sample # ISU02415. neutral
    A1—25 to 48 centimeters (9.8 to 18.9 inches); black (10YR 2/1) and dark grayish brown (10YR 4/2), very dark gray (10YR 3/1), dry; silt loam; weak fine granular structure; friable; fragments; clear smooth boundary. Lab sample # ISU02416. dark grayish brown (10YR 4/2) strata at 11 to 13 and 15 to 17 inches; neutral
    A2—48 to 64 centimeters (18.9 to 25.2 inches); black (10YR 2/1), very dark gray (10YR 3/1), dry; silt loam; weak fine subangular blocky parts to moderate fine granular structure; friable; fragments; clear smooth boundary. Lab sample # ISU02417. neutral
    A3—64 to 79 centimeters (25.2 to 31.1 inches); black (10YR 2/1) and very dark grayish brown (10YR 3/2), very dark gray (10YR 3/1) and grayish brown (10YR 5/2), dry; silt loam; moderate fine subangular blocky structure; friable; fragments; clear smooth boundary. Lab sample # ISU02418. neutral
    C1—79 to 109 centimeters (31.1 to 42.9 inches); dark grayish brown (10YR 4/2) silt loam; yellowish brown (10YR 5/4) fine faint mottles; moderate medium subangular blocky structure; friable; fine strong brown (7.5YR 5/6), moist, iron-manganese concretions; fragments; gradual smooth boundary. Lab sample # ISU02419. neutral
    C2—109 to 152 centimeters (42.9 to 59.8 inches); grayish brown (10YR 5/2) silt loam; yellowish brown (10YR 5/6) fine faint and strong brown (7.5YR 5/6) fine faint mottles; weak coarse subangular blocky structure; friable; fragments. Lab sample # ISU02420. neutral