IDENTIFIERS

  • Current Taxon Name (Soil Name): Armstrong
  • OSD
  • Series Extent
  • User Site ID: 1988MO041019
  • User Pedon ID: 1988MO041019
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8804119
  • NCSS Pedon Lab Data NASIS Record ID - 26455
  • Print Date: 11/21/2024

    • 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: 39.6643219
  • Std. Longitude: -92.8027802
  • Datum: WGS84
  • Township: T56N
  • Range: R17W
  • Section: 15
  • PLSS Details: 150 feet east and 2190 feet south of the northwest corner
  • Location Description: 2200 ft S. & 150 ft E. of NW corner of Sec. 15 T. 56 N. R. 17 W.
  • Map Unit: 50001—Armstrong loam, 5 to 9 percent slopes, eroded
  • Country: US—United States
  • State: Missouri
  • County: MO041—Chariton
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: MO041—Chariton County, Missouri
  • 7.5 Minute USGS Quad: 39092-F7—Wien, Missouri

    • PEDON

  • Describers Name: Mike Cook
  • Current Taxonomic Class: Fine, smectitic, mesic Aquertic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 19
  • Correlated Information:
  • Soil Name - Armstrong
  • PSC - 18 to 68 cm.
  • Classificaton Date - 4/12/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - aquic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Armstrong
  • Classificaton Date - 11/9/2006
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey till derived from mixed
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/9/2006 (actual site observation date)
  • Air Photo ID: 39092f7se
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
  • Site Erosion Accelerated: water erosion sheet
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    redox concentrations

    argillic horizon

    redox depletions with chroma 2 or less

    0—18

    15—152

    18—152

    18—152

    —18—

    —137—

    —134—

    —134—
    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

    9

    —

    —

    249.3

    —

    280

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2) interior and brown (10YR 4/3) interior, dark grayish brown (10YR 4/2) interior, dry; ; moderate very fine granular structure; friable; 2.0 fine roots; fragments; abrupt smooth boundary. Lab sample # MU009751; observed in pit, small
    Bt1—18 to 36 centimeters (7.1 to 14.2 inches); brown (10YR 4/3) interior ; moderate very fine subangular blocky structure; firm; 2.0 fine roots; 15 percent faint clay films on all faces of peds and 15 percent silt coats; 1 percent fine grayish brown (10YR 5/2), moist, iron depletions and 1 percent manganese coatings and 10 percent fine reddish brown (5YR 4/4), moist, masses of oxidized iron and 10 percent fine strong brown (7.5YR 4/6), moist, masses of oxidized iron; fragments; clear smooth boundary. Lab sample # MU009752; observed in pit, small
    2Bt2—36 to 53 centimeters (14.2 to 20.9 inches); dark yellowish brown (10YR 4/6) interior ; moderate very fine subangular blocky structure; firm; 1.0 fine roots; 35 percent distinct clay films on all faces of peds; 1 percent manganese coatings and 10 percent fine yellowish red (5YR 4/6), moist, masses of oxidized iron and 10 percent fine grayish brown (10YR 5/2), moist, iron depletions; fragments; gradual smooth boundary. Lab sample # MU009753; observed in pit, small
    2Bt3—53 to 84 centimeters (20.9 to 33.1 inches); dark yellowish brown (10YR 4/6) interior ; moderate very fine subangular blocky, and weak fine prismatic structure; firm; 1.0 fine roots; 35 percent distinct clay films on all faces of peds; 1 percent manganese coatings and 10 percent medium yellowish red (5YR 4/6), moist, masses of oxidized iron and 10 percent fine grayish brown (10YR 5/2), moist, iron depletions and 10 percent fine yellowish brown (10YR 5/4), moist, masses of oxidized iron; fragments; gradual smooth boundary. Lab sample # MU009754; observed in pit, small
    2Bt4—84 to 122 centimeters (33.1 to 48.0 inches); yellowish brown (10YR 5/6) interior ; moderate very fine subangular blocky structure; firm; 35 percent distinct clay films on all faces of peds; 1 percent fine yellowish red (5YR 4/6), moist, masses of oxidized iron and 10 percent manganese coatings and 20 percent fine grayish brown (10YR 5/2), moist, iron depletions; fragments; gradual smooth boundary. Lab sample # MU009755; observed in pit, small
    BC—122 to 152 centimeters (48.0 to 59.8 inches); yellowish brown (10YR 5/6) interior ; weak medium subangular blocky structure; firm; 15 percent faint clay films; 10 percent manganese coatings and 20 percent medium grayish brown (10YR 5/2), moist, iron depletions; fragments. Lab sample # MU009756; observed in pit, small