IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: S1983IA105010
  • User Pedon ID: S1983IA105010
  • Vegetation Plot ID: S1983IA105010
  • 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 # - X53-162-1
  • NCSS Pedon Lab Data NASIS Record ID - 74772
  • Print Date: 5/31/2024

    • 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: 42.2528455
  • Std. Longitude: -90.9775747
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 86N
  • Range: 1W
  • Section: 17
  • PLSS Details: 20 feet north and 470 feet west of the southeast corner
  • Location Description: Original 232 has 470 feet west and 200 feet south of the northeast corner
  • Country: US—United States
  • State: Iowa
  • County: IA105—Jones
  • 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: IA105—Jones County, Iowa

    • PEDON

  • Describers Name: Unknown
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Pedon PC 5.1
  • Correlated Information:
  • Soil Name - Downs
  • 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 - Downs
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Taxon Kind - series
  • PSC - 20 to 70 cm.
  • Classificaton Date - 6/9/1983
  • 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: level 1
  • QA Status: not reviewed


    • SITE

  • Parent Material: Peoria silty loess
  • Landscape: upland
  • Landform: ridge
  • 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: 6/9/1983 (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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ZEMA

    Zea mays

    corn

    grass/grasslike

    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

    6

    —

    —

    —

    —

    135

    899

    —

    155

    8

    22

    -5

    12

    22

    2

    558

    —

    00131257

    CASCADE, IA US

    NOAA
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2), brown (10YR 5/3), dry; silt loam; weak fine subangular blocky parts to weak fine granular structure; friable; few fine roots; fragments; abrupt smooth boundary. Lab sample # ISU01279
    Bt1—20 to 33 centimeters (7.9 to 13.0 inches); dark grayish brown (10YR 4/2), brown (10YR 5/3), dry; silt loam; 26 percent clay; weak fine subangular blocky structure; friable; few fine roots; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; fragments; clear smooth boundary. Lab sample # ISU01280
    Bt2—33 to 58 centimeters (13.0 to 22.8 inches); dark yellowish brown (10YR 4/4) silty clay loam; 28 percent clay; moderate fine angular blocky, and moderate fine subangular blocky structure; friable; few fine roots; faint very pale brown (10YR 7/3), dry, silt coats on all faces of peds; fragments; gradual smooth boundary. Lab sample # ISU01281. few faint very pale brown (10YR 7/3 dry) silt coatings on faces of peds in the lower part; medium acid
    Bt3—58 to 84 centimeters (22.8 to 33.1 inches); dark yellowish brown (10YR 4/4) silty clay loam; 28 percent clay; moderate fine angular blocky, and moderate fine subangular blocky structure; friable; distinct clay films on all faces of peds and faint very pale brown (10YR 7/3), dry, silt coats on all faces of peds; fragments; gradual smooth boundary. Lab sample # ISU01282
    Bt4—84 to 102 centimeters (33.1 to 40.2 inches); yellowish brown (10YR 5/4) silty clay loam; 28 percent clay; moderate fine angular blocky, and moderate fine subangular blocky structure; friable; faint clay films on all faces of peds and faint very pale brown (10YR 7/3), dry, silt coats on all faces of peds; fine manganese masses; fragments; gradual smooth boundary. Lab sample # ISU01283. few fine dark soft accumulations of manganese oxide; medium acid
    BC—102 to 124 centimeters (40.2 to 48.8 inches); yellowish brown (10YR 5/4) silt loam; 26 percent clay; weak coarse prismatic structure; friable; faint very pale brown (10YR 7/3), dry, silt coats on all faces of peds; very fine manganese masses and fine manganese masses; fragments; gradual smooth boundary. Lab sample # ISU01284. common fine and very fine dark soft accumulations of manganese oxide; medium acid;
    C—124 to 152 centimeters (48.8 to 59.8 inches); yellowish brown (10YR 5/4) silt loam; 22 percent clay; massive; friable; fine manganese masses; fragments. Lab sample # ISU01285. few fine dark soft accumulations of manganese oxide; slightly acid