IDENTIFIERS

  • Current Taxon Name (Soil Name): ARMSTRONG
  • OSD
  • Series Extent
  • User Site ID: 1987MO121019
  • User Pedon ID: 1987MO121019
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8712119
  • NCSS Pedon Lab Data NASIS Record ID - 26468
  • 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: 39.9003677
  • Std. Longitude: -92.7216644
  • Datum: WGS84
  • Township: T59N
  • Range: R16W
  • Section: 30
  • PLSS Details: 310 feet west and 950 feet south of the northeast corner
  • Location Description: 4800 ft N. & 1050 ft S. of NW corner of sec. 30, T. 59 N., R. 16 W.
  • Map Unit: 30030—Armstrong clay loam, 9 to 14 percent slopes, moderately 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-H6—Elmer, Missouri

    • PEDON

  • Describers Name: H J Ferguson
  • Current Taxonomic Class: Fine, smectitic, mesic Oxyaquic Vertic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - ARMSTRONG
  • PSC - 13 to 64 cm.
  • Classificaton Date - 4/12/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • 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: clayey till derived from mixed
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: interfluve
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: negligible
  • Drainage Class: moderately well
  • 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: 39092h6sw
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    0—13

    13—81

    —13—

    —68—
    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

    —

    —

    246

    —

    179

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); very dark grayish brown (10YR 3/2) broken face, brown (10YR 5/3) broken face, dry; ; fragments; clear smooth boundary. Lab sample # MU009823; observed in pit, small
    Bt1—13 to 25 centimeters (5.1 to 9.8 inches); very dark gray (10YR 3/1) interior, gray (10YR 5/1) interior, dry; ; weak fine granular structure; friable; 5.0 very fine roots; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # MU009824; observed in pit, small
    Bt2—25 to 46 centimeters (9.8 to 18.1 inches); yellowish brown (10YR 5/4) interior and brown (10YR 4/3) interior and yellowish brown (10YR 5/6) interior and very dark gray (10YR 3/1) interior ; moderate fine subangular blocky structure; firm; 3.0 very fine roots and ; 70 percent distinct clay films on all faces of peds; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # MU009825; observed in pit, small
    Bt3—46 to 66 centimeters (18.1 to 26.0 inches); brown (10YR 5/3) interior ; weak fine angular blocky structure; firm; 2.0 very fine roots; 70 percent distinct clay films on all faces of peds; 10 percent fine grayish brown (2.5Y 5/2), moist, iron depletions and 10 percent fine yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # MU009826; observed in pit, small
    Bt4—66 to 81 centimeters (26.0 to 31.9 inches); brown (10YR 5/3) interior ; weak medium angular blocky structure; firm; 2.0 very fine roots; 70 percent distinct clay films on all faces of peds; 1 percent fine manganese coatings and 10 percent fine pale brown (10YR 6/3), moist, masses of oxidized iron and 10 percent fine grayish brown (10YR 5/2), moist, iron depletions; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # MU009827; observed in pit, small
    BC—81 to 97 centimeters (31.9 to 38.2 inches); dark yellowish brown (10YR 4/6) interior and yellowish brown (10YR 5/6) interior ; weak medium prismatic structure; 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; 1 percent fine manganese coatings and 20 percent coarse light brownish gray (10YR 6/2), moist, iron depletions; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # MU009828; observed in pit, small
    C1—97 to 114 centimeters (38.2 to 44.9 inches); dark yellowish brown (10YR 4/4) interior ; weak medium prismatic structure; firm; 15 percent distinct clay films on all faces of peds; 20 percent coarse grayish brown (2.5Y 5/2), moist, iron depletions; fragments; moderately alkaline, pH 8.1; gradual smooth boundary. Lab sample # MU009829; observed in pit, small
    C2—114 to 152 centimeters (44.9 to 59.8 inches); light olive brown (2.5Y 5/4) interior ; weak medium prismatic structure; firm; ; 10 percent medium brown (7.5YR 4/4), moist, masses of oxidized iron and 20 percent coarse grayish brown (2.5Y 5/2), moist, iron depletions; fragments; moderately alkaline, pH 8.1. Lab sample # MU009830; observed in pit, small
    C2—152 to 152 centimeters (59.8 to 59.8 inches); yellowish brown (10YR 5/4) interior ; 1 percent fine strong brown (7.5YR 4/6), moist, masses of oxidized iron and 20 percent coarse grayish brown (2.5Y 5/2), moist, iron depletions; fragments; moderately alkaline, pH 8.1. Lab sample # 1; observed in pit, small