IDENTIFIERS

  • Current Taxon Name (Soil Name): ARMSTRONG
  • OSD
  • Series Extent
  • User Site ID: 2008MO027060
  • User Pedon ID: 2008MO027060
  • Vegetation Plot ID: 2008MO027060
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0802760
  • NCSS Pedon Lab Data NASIS Record ID - 30219
  • Print Date: 11/12/2024

    • 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: 38.9705278
  • Std. Longitude: -91.9681944
  • Datum: WGS84
  • Township: T49N
  • Range: R9W
  • Section: 31
  • PLSS Details: 2,591 feet West and 1,338 feet South from the South East corner
  • Location Description: topo marking: SW1/4, NW1/4, NE1/4, Sec. 6, T48, R9
  • Country: US—United States
  • State: Missouri
  • County: MO027—Callaway
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: MO027—Callaway County, Missouri
  • 7.5 Minute USGS Quad: 38091-H8—Kingdom City, Missouri

    • PEDON

  • Describers Name: LeAnn Bullard, Amber Marshaus, Mike Chalfant
  • Current Taxonomic Class: Fine, smectitic, mesic Aquertic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 60
  • Sampled As Information:
  • Soil Name - ARMSTRONG
  • Taxonomic Class - Fine, smectitic, mesic Aquertic Hapludalfs
  • PSC - 0 to 0 cm.
  • Classificaton Date - 10/23/2007
  • Soil Taxonomic Edition - ninth 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 loess derived from mixed over clayey till derived from chert
  • Landscape: till plain
  • Landform: divide
  • Anthropogenic Feature: cut (road, railroad, etc.)
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Upper Wisconsinan Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/23/2007 (actual site observation date)
  • Air Photo ID: 38091h8nw
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rural transportation
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion gully
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    FESTU

    ZEMA

    Festuca

    Zea mays

    fescue

    corn

    —

    —

    —

    —

    —

    —
    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

    1

    —

    —

    271.3

    —

    210

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 41 centimeters (0.0 to 16.1 inches); very dark grayish brown (10YR 3/2) rubbed silt loam; moderate fine subangular blocky structure; friable; 10.0 very fine roots throughout and 10.0 fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    Bt1—41 to 61 centimeters (16.1 to 24.0 inches); brown (10YR 4/3) broken face silty clay loam; moderate fine subangular blocky, and weak thin platy structure; firm; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 35 percent distinct clay films; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/4), 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; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU029662; observed in pit, small
    Bt2—61 to 208 centimeters (24.0 to 81.9 inches); brown (10YR 5/3) broken face silty clay loam; moderate thin platy structure; firm; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 3 percent faint light gray (10YR 7/1), moist, skeletans and 12 percent distinct clay films; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (10YR 5/1), moist, iron depletions with clear boundaries in matrix; 1 percent fine prominent black (10YR 2/1), moist,; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU029663; observed in pit, small
    Btg—208 to 274 centimeters (81.9 to 107.9 inches); grayish brown (2.5Y 5/2) broken face silty clay loam; moderate medium subangular blocky, and moderate medium prismatic structure; firm; 0.5 very fine tubular pores; 12 percent distinct light gray (10YR 7/1), moist, pressure faces and 35 percent prominent clay films; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in pit, small
    2Btgb1—274 to 371 centimeters (107.9 to 146.1 inches); gray (2.5Y 5/1) broken face silty clay; moderate fine and medium subangular blocky, and weak coarse prismatic structure; very firm; 0.5 very fine tubular pores; 12 percent distinct pressure faces and 35 percent prominent clay films; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subrounded very strongly coherent cemented 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in pit, small
    2Btgb2—371 to 610 centimeters (146.1 to 240.2 inches); grayish brown (2.5Y 5/2) broken face silty clay; moderate fine and medium subangular blocky, and weak coarse prismatic structure; very firm; 0.5 very fine tubular pores; 12 percent distinct pressure faces and 35 percent prominent gray (2.5Y 5/1), moist, clay films; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subrounded very strongly coherent cemented 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in pit, small
    2Btgb3—610 to 714 centimeters (240.2 to 281.1 inches); grayish brown (2.5Y 5/2) broken face clay; moderate fine and medium subangular blocky, and weak coarse prismatic structure; very firm; 12 percent distinct clay films and 12 percent distinct pressure faces; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subrounded very strongly coherent cemented 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n.; observed in pit, small