IDENTIFIERS

  • Current Taxon Name (Soil Name): ARMSTRONG
  • OSD
  • Series Extent
  • User Site ID: 1994MO117015
  • User Pedon ID: 1994MO117015
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9411715
  • NCSS Pedon Lab Data NASIS Record ID - 26478
  • Print Date: 1/30/2025

    • 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: 39.9529457
  • Std. Longitude: -93.4323502
  • Datum: WGS84
  • Township: T59N
  • Range: R23W
  • Section: 1
  • PLSS Details: 1640 feet west and 400 feet north of the southeast corner
  • Location Description: 2200 ft S. & 190 ft W. of NE corner of section 1, T. 59 N., R. 23 W.
  • Map Unit: 30119—Lagonda silty clay loam, 2 to 5 percent slopes, eroded
  • Country: US—United States
  • State: Missouri
  • County: MO117—Livingston
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: MO117—Livingston County, Missouri
  • 7.5 Minute USGS Quad: 39093-H4—Chula, Missouri

    • PEDON

  • Describers Name: Mark Abney
  • 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
  • Correlated Information:
  • Soil Name - ARMSTRONG
  • PSC - 15 to 66 cm.
  • Classificaton Date - 4/12/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • 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
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • 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: 39093h4ne
  • 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

    argillic horizon

    redox concentrations

    redox depletions with chroma 2 or less

    aquic conditions

    0—15

    15—84

    15—152

    33—152

    33—152

    —15—

    —69—

    —137—

    —119—

    —119—
    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

    7

    —

    —

    241.1

    —

    348

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark gray (10YR 3/1) interior silt loam; moderate fine granular, and weak fine subangular blocky structure; friable; 2.0 very fine roots; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # MU009893; observed in pit, large or quarry
    Bt1—15 to 33 centimeters (5.9 to 13.0 inches); brown (10YR 4/3) interior silty clay; moderate fine subangular blocky, and moderate medium prismatic structure; firm; 1.0 very fine roots; 35 percent clay films on all faces of peds and 35 percent clay films on surfaces along pores; 20 percent fine yellowish red (5YR 5/8), moist, masses of oxidized iron; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # MU009894; observed in pit, large or quarry
    2Bt2—33 to 84 centimeters (13.0 to 33.1 inches); yellowish brown (10YR 5/6) interior silty clay; moderate medium subangular blocky, and weak medium prismatic structure; very firm; 1.0 very fine roots; 35 percent faint clay films on all faces of peds and 35 percent faint clay films on surfaces along pores; 20 percent fine light brownish gray (10YR 6/2), moist, iron depletions; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # MU009895; observed in pit, large or quarry
    Bt—84 to 152 centimeters (33.1 to 59.8 inches); brownish yellow (10YR 6/6) interior ; moderate medium angular blocky, and moderate medium prismatic structure; very firm; 35 percent distinct clay films on all faces of peds and 35 percent distinct clay films on surfaces along pores; 20 percent medium gray (10YR 6/1), moist, iron depletions; fragments; slightly alkaline, pH 7.6. Lab sample # MU009896; observed in pit, large or quarry