IDENTIFIERS

  • Current Taxon Name (Soil Name): ARMSTRONG
  • OSD
  • Series Extent
  • User Site ID: 1989MO129001
  • User Pedon ID: 1989MO129001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8912901
  • NCSS Pedon Lab Data NASIS Record ID - 26459
  • 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: 40.4173126
  • Std. Longitude: -93.4316711
  • Datum: WGS84
  • Township: T65N
  • Range: R23W
  • Section: 24
  • PLSS Details: 2490 feet west and 2040 feet north of the southeast corner
  • Location Description: 2500 ft W. & 2050 ft N of SE corner of sec. 24, T. 65 N., R. 23 W.
  • Map Unit: 50001—Armstrong loam, 5 to 9 percent slopes, eroded
  • Country: US—United States
  • State: Missouri
  • County: MO129—Mercer
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: MO129—Mercer County, Missouri
  • 7.5 Minute USGS Quad: 40093-D4—Ravanna, Missouri

    • PEDON

  • Describers Name: D F Festervand
  • 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 #: 1
  • Correlated Information:
  • Soil Name - ARMSTRONG
  • PSC - 15 to 65 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 - 10/31/2006
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty loess 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: 10/31/2006 (actual site observation date)
  • Air Photo ID: 40093d4se
  • 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 gully
    • 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—122

    15—152

    15—152

    15—152

    —15—

    —107—

    —137—

    —137—

    —137—
    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

    —

    —

    308.5

    —

    213

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) interior, grayish brown (10YR 5/2) interior, dry; ; moderate fine granular structure; friable; 3.0 fine roots; 1 percent strong brown (7.5YR 5/6), moist, masses of oxidized iron; fragments; neutral, pH 6.8; clear smooth boundary. Lab sample # MU009781; observed in pit, small
    Bt—15 to 23 centimeters (5.9 to 9.1 inches); dark yellowish brown (10YR 4/4) interior ; weak fine subangular blocky structure; firm; 3.0 fine roots; 1 percent strong brown (7.5YR 5/6), moist, masses of oxidized iron and 10 percent iron depletions; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # MU009782; observed in pit, small
    2Bt1—23 to 53 centimeters (9.1 to 20.9 inches); dark yellowish brown (10YR 4/4) interior ; moderate medium subangular blocky structure; very firm; 2.0 fine roots; 15 percent slickensides (pedogenic) and 70 percent clay films; 1 percent dark grayish brown (10YR 4/2), moist, iron depletions and 10 percent red (2.5YR 4/6), moist, masses of oxidized iron; fragments; slightly acid, pH 6.3; gradual smooth boundary. Lab sample # MU009783; observed in pit, small
    2Bt2—53 to 79 centimeters (20.9 to 31.1 inches); yellowish brown (10YR 5/6) interior ; weak fine subangular blocky structure; very firm; 1.0 fine roots; 35 percent distinct clay films; grayish brown (10YR 5/2), moist, iron depletions; fragments; slightly acid, pH 6.3; gradual smooth boundary. Lab sample # MU009784; observed in pit, small
    2Bt3—79 to 122 centimeters (31.1 to 48.0 inches); dark yellowish brown (10YR 4/4) interior ; weak fine subangular blocky structure; firm; 15 percent distinct clay films; 10 percent yellowish brown (10YR 5/6), moist, masses of oxidized iron and 10 percent grayish brown (10YR 5/2), moist, iron depletions and 20 percent iron-manganese concretions; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # MU009785; observed in pit, small
    2BC—122 to 152 centimeters (48.0 to 59.8 inches); yellowish brown (10YR 5/6) interior ; weak fine subangular blocky structure; firm; 15 percent distinct clay films; 10 percent iron-manganese concretions and 10 percent yellowish brown (10YR 5/6), moist, masses of oxidized iron and 10 percent grayish brown (10YR 5/2), moist, iron depletions; fragments; moderately alkaline, pH 8.2. Lab sample # MU009786; observed in pit, small