IDENTIFIERS

  • Current Taxon Name (Soil Name): Mt. Carroll
  • OSD
  • Series Extent
  • User Site ID: S1972IA045002
  • User Pedon ID: S1972IA045002
  • Vegetation Plot ID: S1972IA045002
  • 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 # - X23-662-1
  • NCSS Pedon Lab Data NASIS Record ID - 75108
  • Print Date: 4/28/2025

    • 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: 41.8899127
  • Std. Longitude: -90.3409132
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 82N
  • Range: 5E
  • Section: 23
  • PLSS Details: 650 feet north and 1060 feet east of the southwest corner SW1/4SE1/4
  • Country: US—United States
  • State: Iowa
  • County: IA045—Clinton
  • 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: IA045—Clinton County, Iowa

    • PEDON

  • Describers Name: Wayne Frederick, Larry Johnson
  • 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 PC6.0B
  • Pedon #: 662
  • Correlated Information:
  • Soil Name - Mt. Carroll
  • PSC - 20 to 70 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 - Mt. Carroll
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Taxon Kind - series
  • PSC - 20 to 70 cm.
  • Classificaton Date - 5/25/1972
  • Classifier - Wayne Frederick
  • 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
  • Slope Complexity: simple
  • 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: 5/25/1972 (actual site observation date)
  • Data Collector: Wayne D Frederick
  • 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

    —

    —

    —-

    —-
    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

    10

    —

    —

    —

    —

    338

    899

    —

    155

    8

    22

    -5

    12

    22

    2

    558

    —

    00131635

    CLINTON NUMBER 1, IA US

    NOAA
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) and brown (10YR 4/3) and yellowish brown (10YR 5/4) silt loam; cloddy parts to weak fine subangular blocky structure; friable; fragments; abrupt wavy boundary. Lab sample # ISU00333. 10YR4/3 and 5/4
    Bt1—20 to 41 centimeters (7.9 to 16.1 inches); dark yellowish brown (10YR 4/4) and yellowish brown (10YR 5/4) silt loam; weak fine subangular blocky structure; friable; fragments; gradual smooth boundary. Lab sample # ISU00335
    Bt2—41 to 66 centimeters (16.1 to 26.0 inches); dark yellowish brown (10YR 4/4) and yellowish brown (10YR 5/4) silt loam; weak fine subangular blocky structure; friable; brown (10YR 4/3), moist, and dark yellowish brown (10YR 4/4), moist, coats; fragments; gradual smooth boundary. Lab sample # ISU00336. discontinuous - phpvsfiid 1268295; discontinuous - phpvsfiid 1268295
    Bt3—66 to 97 centimeters (26.0 to 38.2 inches); yellowish brown (10YR 5/4) silt loam; weak medium subangular blocky, and weak medium angular blocky structure; friable; fragments; gradual smooth boundary. Lab sample # ISU00337
    BC—97 to 127 centimeters (38.2 to 50.0 inches); yellowish brown (10YR 5/6) silt loam; weak coarse subangular blocky structure; friable; fragments; gradual smooth boundary. Lab sample # ISU00338
    C—127 to 198 centimeters (50.0 to 78.0 inches); yellowish brown (10YR 5/4) silt loam; massive; friable; fragments; strong effervescence, by hcl, 1n. Lab sample # ISU00339