IDENTIFIERS

  • Current Taxon Name (Soil Name): Armstrong
  • OSD
  • Series Extent
  • User Site ID: 2009MO171002
  • User Pedon ID: 2009MO171002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0917102
  • NCSS Pedon Lab Data NASIS Record ID - 30695
  • Print Date: 1/29/2025

    • 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: 40.3950844
  • Std. Longitude: -93.3414459
  • Datum: WGS84
  • Township: T65N
  • Range: R22W
  • Section: 35
  • PLSS Details: NE 1/4
  • State: Missouri
  • County: MO171—Putnam
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Non-MLRA Soil Survey Area: MO171—Putnam County, Missouri

    • PEDON

  • Describers Name: ms
  • Current Taxonomic Class: Fine, smectitic, mesic Aquertic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Armstrong
  • PSC - 32 to 82 cm.
  • Classificaton Date - 5/8/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Armstrong
  • Classificaton Date - 2/11/2009
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: noncalcareous loess over till
  • Landscape: Loess covered hillslope on dissected till plain
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/11/2009 (actual site observation date)
  • Surface Cover Properties:
  • 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

    redox concentrations

    redox depletions with chroma 2 or less

    lithologic discontinuity

    0—18

    32—213

    32—213

    48—213

    64—213

    —-

    —-

    —-

    —-

    —-
    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

    —

    —

    —

    —

    280

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; clay loam; 20 percent sand; 30 percent clay; weak fine subangular blocky structure; friable; 7.0 very fine roots throughout and 7.0 fine roots throughout; 7.0 very fine irregular and 7.0 fine irregular pores; 0 percent by volume 600-775-1000 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 2-3-5 millimeter unspecified fragments; clear smooth boundary. Lab sample # MU030550; observed in push tube
    AB—18 to 32 centimeters (7.1 to 12.6 inches); brown (10YR 5/3) broken face clay loam; 26 percent sand; 32 percent clay; moderate fine subangular blocky structure; friable; 7.0 very fine roots throughout and 7.0 very fine roots throughout; 7.0 very fine irregular and 7.0 fine irregular pores; 1 percent brown (10YR 5/3), moist, clay films on vertical faces of peds; 0 percent by volume 2-3-5 millimeter unspecified fragments and 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments; clear smooth boundary. Lab sample # MU030551; observed in push tube
    Bt1—32 to 48 centimeters (12.6 to 18.9 inches); brown (7.5YR 5/4) broken face clay loam; 25 percent sand; 36 percent clay; moderate fine subangular blocky structure; friable; 3.0 very fine roots; 7.0 very fine irregular and 7.0 fine irregular pores; 10 percent faint brown (7.5YR 4/2), moist, clay films on vertical faces of peds; 5 percent fine prominent irregular noncoherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with sharp boundaries in matrix; 0 percent by volume 2-3-5 millimeter unspecified fragments and 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments; clear smooth boundary. Lab sample # MU030552; observed in push tube
    Bt2—48 to 64 centimeters (18.9 to 25.2 inches); strong brown (7.5YR 5/6) broken face clay; 25 percent sand; 41 percent clay; weak fine prismatic parts to moderate fine subangular blocky structure; firm; 3.0 very fine roots; 7.0 fine irregular pores; 10 percent yellowish brown (10YR 5/4), moist, clay films on vertical faces of peds; 5 percent fine irregular noncoherent cemented light brownish gray (10YR 6/2), moist, clay depletions with diffuse boundaries and 10 percent fine irregular noncoherent cemented yellowish brown (10YR 5/4), moist, masses of oxidized iron with diffuse boundaries; 0 percent by volume 2-3-5 millimeter unspecified fragments and 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments; clear wavy boundary. Lab sample # MU030553; observed in push tube
    Bt3—64 to 78 centimeters (25.2 to 30.7 inches); yellowish brown (10YR 5/6) broken face clay; 25 percent sand; 40 percent clay; weak fine prismatic parts to strong fine subangular blocky structure; firm; 3.0 very fine roots; 7.0 very fine irregular pores; 10 percent brown (10YR 5/3), moist, clay films on vertical faces of peds; 5 percent fine distinct irregular noncoherent cemented yellowish brown (10YR 5/6), moist, masses of oxidized iron with diffuse boundaries and 5 percent fine distinct irregular noncoherent cemented yellowish brown (10YR 5/6), moist, masses of oxidized iron with diffuse boundaries and 5 percent fine faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, clay depletions with diffuse boundaries; 0 percent by volume 2-3-5 millimeter unspecified fragments and 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments; clear wavy boundary. Lab sample # MU030554; observed in push tube
    Bt4—78 to 91 centimeters (30.7 to 35.8 inches); yellowish brown (10YR 5/4) broken face clay; 30 percent sand; 40 percent clay; weak medium prismatic parts to moderate medium subangular blocky structure; firm; 7.0 very fine irregular pores; 10 percent brown (10YR 5/3), moist, clay films; 5 percent fine distinct irregular noncoherent cemented yellowish brown (10YR 5/8), moist, masses of oxidized iron with clear boundaries and 5 percent fine distinct irregular noncoherent cemented light brownish gray (10YR 6/2), moist, clay depletions with clear boundaries and 10 percent fine distinct irregular noncoherent cemented yellowish brown (10YR 5/4), moist, masses of oxidized iron with clear boundaries; 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments and 2 percent by volume 2-3-5 millimeter unspecified fragments; clear wavy boundary. Lab sample # MU030555; observed in push tube
    Bt5—91 to 124 centimeters (35.8 to 48.8 inches); yellowish brown (10YR 5/6) broken face clay loam; 35 percent sand; 35 percent clay; weak fine prismatic parts to moderate fine subangular blocky structure; firm; 7.0 very fine irregular pores; 10 percent brown (10YR 5/3) clay films on vertical faces of peds; 5 percent fine distinct irregular noncoherent cemented brownish yellow (10YR 6/6), moist, masses of oxidized iron with clear boundaries and 10 percent fine distinct irregular noncoherent cemented light brownish gray (10YR 6/2), moist, clay depletions with clear boundaries and 10 percent fine faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, masses of oxidized iron with clear boundaries; 10 percent fine noncoherent cemented light gray (10YR 7/1), moist, carbonate, finely disseminated; 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments and 2 percent by volume 2-3-5 millimeter unspecified fragments; clear wavy boundary. Lab sample # MU030556; observed in push tube
    Bt6—124 to 147 centimeters (48.8 to 57.9 inches); yellowish brown (10YR 5/4) broken face clay loam; 35 percent sand; 35 percent clay; weak fine subangular blocky structure; firm; 7.0 very fine irregular pores; 10 percent brown (10YR 5/3), moist, clay films on vertical faces of peds; 5 percent fine distinct irregular noncoherent cemented gray (10YR 6/1), moist, iron depletions with diffuse boundaries and 20 percent fine distinct irregular noncoherent cemented brownish yellow (10YR 6/6), moist, masses of oxidized iron with diffuse boundaries; 10 percent fine irregular noncoherent cemented light gray (10YR 7/1), moist, carbonate, finely disseminated; 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments and 2 percent by volume 2-3-5 millimeter unspecified fragments; clear wavy boundary. Lab sample # MU030557; observed in push tube
    Bt7—147 to 179 centimeters (57.9 to 70.5 inches); yellowish brown (10YR 5/4) broken face clay loam; 35 percent sand; 30 percent clay; weak fine subangular blocky structure; firm; 7.0 very fine irregular pores; 2 percent brown (10YR 5/3), moist, clay films on vertical faces of peds; 5 percent fine distinct irregular noncoherent cemented brownish yellow (10YR 6/6), moist, masses of oxidized iron with diffuse boundaries and 10 percent fine prominent irregular noncoherent cemented black (N 2/0), moist, manganese masses with diffuse boundaries and 15 percent fine distinct irregular noncoherent cemented light brownish gray (10YR 6/2), moist, clay depletions with diffuse boundaries; 5 percent fine prominent irregular noncoherent cemented light gray (10YR 7/1), moist, carbonate, finely disseminated with diffuse boundaries; 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments and 3 percent by volume 2-3-5 millimeter unspecified fragments; clear wavy boundary. Lab sample # MU030558; observed in push tube
    Bt8—179 to 213 centimeters (70.5 to 83.9 inches); gray (10YR 6/1) broken face clay loam; 35 percent sand; 30 percent clay; weak fine subangular blocky structure; firm; 7.0 fine irregular pores; 1 percent dark yellowish brown (10YR 3/4), moist, clay films; 10 percent fine noncoherent cemented yellowish brown (10YR 5/6), moist, masses of oxidized iron; 10 percent fine noncoherent cemented carbonate masses; 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments and 9 percent by volume 2-3-5 millimeter unspecified fragments. Lab sample # MU030559; observed in push tube