IDENTIFIERS

  • Current Taxon Name (Soil Name): Armstrong
  • OSD
  • Series Extent
  • User Site ID: 1989MO12917
  • User Pedon ID: 1989MO12917
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8912917
  • NCSS Pedon Lab Data NASIS Record ID - 31204
  • Print Date: 9/24/2024
  • 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: 40.3142778
  • Std. Longitude: -93.7381389
  • Datum: WGS84
  • Township: T64N
  • Range: R25W
  • Section: 29
  • PLSS Details: 2,281 feet East and 2,665 feet North from the South West corner
  • Location Description: 2450 feet east and 2550 feet north of the southwest corner of sec. 29, T.64N., R.25W.
  • Country: US—United States
  • State: Missouri
  • County: MO129—Mercer
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Non-MLRA Soil Survey Area: MO129—Mercer County, Missouri
  • 7.5 Minute USGS Quad: 40093-C6—Modena, Missouri
  • PEDON

  • Describers Name: Gene Campbell
  • 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 #: 917
  • Correlated Information:
  • Soil Name - Armstrong
  • PSC - 15 to 65 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - aquic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Armstrong
  • Classificaton Date - 3/1/2010
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: fine-loamy pedisediment derived from mixed over clayey till derived from aa lava
  • Landscape: till plain
  • Landform: ridge
  • Geomorphic Component Hills: crest
  • Hill Slope Profile: shoulder
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/1/2010 (actual site observation date)
  • Air Photo ID: 40093c6
  • 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
  • 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

    aquic conditions

    0—15

    15—107

    15—152

    —15—

    —92—

    —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

    5

    270

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; loam; 29 percent sand; 49 percent silt; 22 percent clay; weak granular structure; 10.0 very fine roots; 10.0 very fine moderate-continuity irregular pores; fragments. Lab sample # MU035732; observed in pit, small
    2Bt1—15 to 51 centimeters (5.9 to 20.1 inches); dark yellowish brown (10YR 4/4) clay; 23 percent sand; 31 percent silt; 46 percent clay; weak fine subangular blocky structure; 10.0 very fine roots; 10.0 very fine moderate-continuity pores; 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented red (2.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments. Lab sample # MU035733; observed in pit, small
    2Bt2—51 to 79 centimeters (20.1 to 31.1 inches); yellowish brown (10YR 5/6) clay; 26 percent sand; 27 percent silt; 47 percent clay; moderate fine subangular blocky structure; 10.0 very fine roots; 10.0 very fine moderate-continuity irregular pores; 1 percent medium faint irregular noncoherent cemented red (2.5YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; fragments. Lab sample # MU035734; observed in pit, small
    2Bt3—79 to 107 centimeters (31.1 to 42.1 inches); gray (10YR 6/1) clay loam; 36 percent sand; 29 percent silt; 35 percent clay; weak medium subangular blocky structure; 0.5 very fine roots; 10.0 very fine moderate-continuity irregular pores; 1 percent medium faint irregular noncoherent cemented brown (7.5YR 5/4), moist, iron depletions with clear boundaries in matrix; fragments. Lab sample # MU035735; observed in pit, small
    C—107 to 152 centimeters (42.1 to 59.8 inches); dark yellowish brown (10YR 4/4) loam; 42 percent sand; 39 percent silt; 19 percent clay; weak medium subangular blocky structure; 0.5 very fine roots; 10.0 very fine moderate-continuity irregular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (10YR 6/1), moist, iron depletions with clear boundaries in matrix; fragments. Lab sample # MU035736; observed in pit, small