IDENTIFIERS

  • Current Taxon Name (Soil Name): ARMSTRONG
  • OSD
  • Series Extent
  • User Site ID: 1988MO121025
  • User Pedon ID: 1988MO121025
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8812125
  • NCSS Pedon Lab Data NASIS Record ID - 30688
  • Print Date: 6/2/2024

    • 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: 39.9607964
  • Std. Longitude: -92.5596695
  • Datum: WGS84
  • Township: T60N
  • Range: R15W
  • Section: 34
  • PLSS Details: 2610 feet east and 1200 feet north of the southwest corner
  • Location Description: 4100 ft S. & 2500 ft E. of NW corner of sec 34, T. 60 N., R. 15 W.
  • Map Unit: 30028—Armstrong clay loam, 5 to 9 percent slopes, severely eroded
  • Country: US—United States
  • State: Missouri
  • County: MO121—Macon
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: MO121—Macon County, Missouri
  • 7.5 Minute USGS Quad: 39092-H5—Barnesville, Missouri

    • PEDON

  • Describers Name: H J Ferguson
  • Current Taxonomic Class: Fine, smectitic, mesic Aquertic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 25
  • Correlated Information:
  • Soil Name - ARMSTRONG
  • PSC - 10 to 61 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 - 3
  • 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: 10/31/2006 (actual site observation date)
  • Air Photo ID: 39092h5ne
  • 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

    0—10

    10—142

    10—152

    10—91

    —10—

    —132—

    —142—

    —81—
    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

    —

    —

    279.5

    —

    15

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); very dark gray (10YR 3/1) interior, weak red (10R 4/2) interior, dry; ; weak very fine granular structure; friable; 2.0 very fine roots throughout; 3.0 very fine tubular pores; fragments; neutral, pH 6.6; abrupt smooth boundary. Lab sample # MU033486; observed in pit, small
    2Bt1—10 to 41 centimeters (3.9 to 16.1 inches); strong brown (7.5YR 5/6) interior ; weak very fine subangular blocky structure; firm; 1.0 very fine roots throughout; 3.0 very fine tubular pores; 35 percent distinct clay films on all faces of peds; 1 percent fine gray (10YR 6/1), moist, iron depletions and 1 percent fine gray (10YR 6/1), moist, iron depletions; fragments; slightly acid, pH 6.4; clear smooth boundary. Lab sample # MU033487; observed in pit, small
    2Bt2—41 to 56 centimeters (16.1 to 22.0 inches); gray (10YR 6/1) interior ; weak fine subangular blocky, and weak medium subangular blocky structure; very firm; 1.0 very fine roots throughout; 3.0 very fine tubular pores; 35 percent distinct clay films on all faces of peds; 1 percent fine iron-manganese masses and 10 percent medium strong brown (7.5YR 4/6), moist, masses of oxidized iron; fragments; neutral, pH 6.8; abrupt smooth boundary. Lab sample # MU033488; observed in pit, small
    2Bt3—56 to 91 centimeters (22.0 to 35.8 inches); strong brown (7.5YR 5/6) interior ; weak very fine subangular blocky, and weak fine subangular blocky structure; firm; 1.0 very fine roots throughout; 3.0 very fine tubular pores; 35 percent distinct clay films on all faces of peds; 1 percent fine pinkish gray (7.5YR 6/2), moist, iron depletions and 10 percent fine iron-manganese masses and 10 percent medium iron-manganese masses; fragments; slightly acid, pH 6.4; abrupt smooth boundary. Lab sample # MU033489; observed in pit, small
    2Bt4—91 to 114 centimeters (35.8 to 44.9 inches); strong brown (7.5YR 5/6) interior ; weak fine subangular blocky structure; firm; 1.0 fine roots throughout; 3.0 very fine tubular pores; 35 percent distinct clay films on all faces of peds; 1 percent fine brown (7.5YR 4/4), moist, masses of oxidized iron and 10 percent fine iron-manganese masses; fragments; neutral, pH 7.2; clear smooth boundary. Lab sample # MU033490; observed in pit, small
    2Bt5—114 to 142 centimeters (44.9 to 55.9 inches); light brownish gray (2.5Y 6/2) interior ; weak very fine subangular blocky, and weak fine subangular blocky structure; firm; 3.0 very fine tubular pores; 15 percent distinct clay films on all faces of peds; 1 percent fine strong brown (7.5YR 5/6), moist, masses of oxidized iron and 1 percent fine strong brown (7.5YR 4/6), moist, masses of oxidized iron and 10 percent fine iron-manganese masses; fragments; neutral, pH 7.2; abrupt smooth boundary. Lab sample # MU033491; observed in pit, small
    2BC—142 to 152 centimeters (55.9 to 59.8 inches); grayish brown (2.5Y 5/2) interior ; moderate fine angular blocky, and moderate medium angular blocky structure; firm; 3.0 very fine tubular pores; ; 10 percent fine strong brown (7.5YR 5/6), moist, masses of oxidized iron and 20 percent manganese coatings; fragments; neutral, pH 7.2. Lab sample # MU033492; observed in pit, small