IDENTIFIERS

  • Current Taxon Name (Soil Name): Armstrong
  • OSD
  • Series Extent
  • User Site ID: 2008MO081002
  • User Pedon ID: 2008MO081002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0808102
  • NCSS Pedon Lab Data NASIS Record ID - 30684
  • 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: 40.3443069
  • Std. Longitude: -94.0485001
  • Datum: WGS84
  • Township: T64N
  • Range: R28W
  • Section: 16
  • PLSS Details: 1,036 feet West and 2,097 feet North from the South East corner
  • Location Description: Steve McIntosh property
  • Map Unit: 30036—Armstrong loam, 5 to 9 percent slopes
  • Country: US—United States
  • State: Missouri
  • County: MO081—Harrison
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: MO081—Harrison County, Missouri
  • 7.5 Minute USGS Quad: 40094-C1—Bethany, Missouri

    • PEDON

  • Describers Name: Kim Worth
  • 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: Missouri Pedon
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Armstrong
  • Taxonomic Class - Fine, smectitic, mesic Aquertic Hapludalfs
  • PSC - 32 to 82 cm.
  • Classificaton Date - 9/10/2008
  • Soil Taxonomic Edition - first edition
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty pedisediment derived from mixed over clayey till derived from aa lava
  • Landscape: till plain
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • 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: 9/10/2008 (actual site observation date)
  • Air Photo ID: 40094c1
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • 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

    redox concentrations

    argillic horizon

    secondary carbonates

    0—14

    14—129

    32—129

    32—52

    —14—

    —115—

    —97—

    —20—
    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

    —

    —

    —

    —

    160

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 14 centimeters (0.0 to 5.5 inches); very dark grayish brown (10YR 3/2) crushed silty clay loam; 50 percent silt; 28 percent clay; friable; fragments. Lab sample # MU030011; observed in push tube
    Bt1—14 to 32 centimeters (5.5 to 12.6 inches); brown (10YR 5/3) broken face silty clay loam; 45 percent silt; 35 percent clay; firm; 5 percent prominent spherical noncoherent cemented black (N 2.5/0), moist, manganese masses with clear boundaries throughout and 15 percent prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with clear boundaries throughout; fragments. Lab sample # MU030012; observed in push tube
    2Bt2—32 to 52 centimeters (12.6 to 20.5 inches); yellowish brown (10YR 5/4) broken face clay; 37 percent silt; 41 percent clay; very firm; 15 percent distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 2 percent prominent spherical noncoherent cemented black (N 2.5/0), moist, manganese masses with clear boundaries throughout and 20 percent distinct irregular yellowish red (5YR 4/6), moist, masses of oxidized iron with clear boundaries throughout; 2 percent coarse prominent irregular light gray (10YR 7/1), moist, carbonate nodules with clear boundaries throughout; 2 percent by volume nonflat subangular very strongly coherent cemented 2-?-5 millimeter mixed fragments. Lab sample # MU030013; observed in push tube
    2Bt3—52 to 71 centimeters (20.5 to 28.0 inches); dark yellowish brown (10YR 4/6) broken face clay; 35 percent silt; 45 percent clay; very firm; 20 percent faint dark yellowish brown (10YR 4/6), moist, clay films on all faces of peds; 1 percent prominent spherical noncoherent cemented black (N 2.5/0), moist, manganese masses with clear boundaries throughout and 25 percent distinct irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with clear boundaries throughout; 3 percent by volume nonflat subangular very strongly coherent cemented 2-?-5 millimeter mixed fragments. Lab sample # MU030014; observed in push tube
    2Bt3—71 to 129 centimeters (28.0 to 50.8 inches); yellowish brown (10YR 5/6) broken face clay; 29 percent silt; 47 percent clay; very firm; 10 percent prominent brown (10YR 5/3), moist, clay films on all faces of peds and 15 percent faint yellowish brown (10YR 5/6), moist, clay films on all faces of peds; 1 percent prominent spherical noncoherent cemented black (N 2.5/0), moist, manganese masses with clear boundaries throughout and 10 percent distinct irregular noncoherent cemented yellowish brown (10YR 5/8), moist, masses of oxidized iron with clear boundaries throughout; 2 percent by volume nonflat subangular very strongly coherent cemented 2-?-5 millimeter mixed fragments. Lab sample # MU030015; observed in push tube