IDENTIFIERS

  • Current Taxon Name (Soil Name): Hartwell
  • OSD
  • Series Extent
  • User Site ID: S2005MO011001
  • User Pedon ID: S2005MO011001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 06N0121
  • NCSS Pedon Lab Data NASIS Record ID - 18038
  • Print Date: 2/17/2025

    • 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: 37.5090828
  • Std. Longitude: -94.3572464
  • Datum: WGS84
  • Township: T32N
  • Range: R31W
  • Section: 20
  • PLSS Details: 2900 feet south and 1300 feet west of the northeast corner
  • Location Description: About 3 miles west and 1 mile north of the intersection of U.S. Highways 71 and 160, near Lamar, Missouri.
  • Map Unit: 40008—Parsons silt loam, 0 to 1 percent slopes
  • State: Missouri
  • County: MO011—Barton
  • MLRA: 112—Cherokee Prairies
  • Non-MLRA Soil Survey Area: MO011—Barton County, Missouri
  • 7.5 Minute USGS Quad: 37094-E3—Lamar North, Missouri

    • PEDON

  • Describers Name: Sheila Staton-Clifton, Mark Abney, David Wolf, JR Perkins, W. Wehmueller, JC Remley, D. Gastineau
  • Current Taxonomic Class: Fine, mixed, superactive, thermic Typic Argialbolls
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Hartwell
  • Taxonomic Class - Fine, mixed, superactive, thermic Typic Argialbolls
  • PSC - 44 to 94 cm.
  • Classificaton Date - 9/21/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: silty loess over residuum weathered from clayey shale
  • Landscape: upland
  • Landform: ridge
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: shale, unspecified
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/21/2005 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    albic horizon

    redox depletions with chroma 2 or less

    argillic horizon

    abrupt textural change

    redox concentrations

    lithologic discontinuity

    0—32

    32—44

    32—214

    44—170

    44—44

    44—214

    170—

    —-

    —-

    —-

    —-

    —-

    —-

    —-
    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

    0.5

    —

    —

    302

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 16 centimeters (0.0 to 6.3 inches); very dark grayish brown (10YR 3/2) exterior silt loam; 20 percent clay; moderate fine granular structure; friable; 5.0 very fine roots throughout and 3.0 medium roots throughout and 5.0 fine roots throughout; fragments; noneffervescent; abrupt smooth boundary. Lab sample # 06N00326; moist when described; observed in pit, small
    A—16 to 32 centimeters (6.3 to 12.6 inches); very dark grayish brown (10YR 3/2) exterior silt loam; 20 percent clay; moderate medium subangular blocky parts to moderate fine granular structure; friable; 5.0 very fine roots throughout and 0.8 fine roots throughout; 1.0 fine dendritic tubular pores; fragments; noneffervescent; abrupt smooth boundary. Lab sample # 06N00327; moist when described; observed in pit, small
    Eg—32 to 44 centimeters (12.6 to 17.3 inches); dark grayish brown (10YR 4/2) exterior silt loam; 25 percent clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; friable; 5.0 very fine roots throughout and 0.8 fine roots throughout; 2.0 fine dendritic tubular pores; fragments; noneffervescent; abrupt smooth boundary. Lab sample # 06N00328; moist when described; observed in pit, small
    Btg1—44 to 66 centimeters (17.3 to 26.0 inches); dark grayish brown (10YR 4/2) broken face silty clay; 47 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 3.0 very fine roots throughout and 0.8 fine roots throughout; 2.0 very fine dendritic tubular and 1.0 fine dendritic tubular pores; 20 percent reddish brown (2.5YR 4/3), moist, clay films; 15 percent 10YR 4/8 (10YR 4/8), moist, masses of oxidized iron; fragments; noneffervescent; clear smooth boundary. Lab sample # 06N00329; moist when described; observed in pit, small
    Btg2—66 to 100 centimeters (26.0 to 39.4 inches); 70 percent grayish brown (10YR 5/2) broken face and 30 percent strong brown (7.5YR 5/6) broken face clay; 41 percent clay; moderate coarse prismatic parts to moderate medium angular blocky structure; firm; 3.0 very fine roots throughout and 0.8 fine roots throughout; 3.0 very fine dendritic tubular and 1.0 fine dendritic tubular pores; 20 percent brown (7.5YR 5/2), moist, clay films; 10 percent reddish brown (5YR 4/3), moist, masses of oxidized iron; fragments; noneffervescent; gradual smooth boundary. Lab sample # 06N00330; moist when described; observed in pit, small
    Btg3—100 to 129 centimeters (39.4 to 50.8 inches); 60 percent strong brown (7.5YR 5/6) broken face and 40 percent gray (7.5YR 6/1) broken face clay; 41 percent clay; moderate very coarse prismatic parts to strong medium angular blocky structure; firm; 3.0 very fine roots between peds; 3.0 very fine dendritic tubular and 1.0 fine dendritic tubular pores; 20 percent pinkish gray (7.5YR 6/2), moist, clay films; 10 percent manganese coatings and 15 percent reddish brown (5YR 4/3), moist, masses of oxidized iron; fragments; noneffervescent; gradual smooth boundary. Lab sample # 06N00331; moist when described; observed in pit, small
    Btg4—129 to 170 centimeters (50.8 to 66.9 inches); 50 percent gray (7.5YR 6/1) broken face and 50 percent strong brown (7.5YR 5/6) broken face clay; 41 percent clay; moderate very coarse prismatic parts to strong medium subangular blocky structure; firm; 3.0 very fine roots between peds; 3.0 very fine dendritic tubular and 1.0 fine dendritic tubular pores; 20 percent weak red (2.5YR 4/2), moist, clay films; 20 percent reddish brown (5YR 4/3), moist, masses of oxidized iron and 35 percent manganese coatings; fragments; noneffervescent; clear smooth boundary. Lab sample # 06N00332; moist when described; observed in pit, small
    2BCg—170 to 200 centimeters (66.9 to 78.7 inches); 50 percent gray (7.5YR 6/1) broken face and 50 percent strong brown (7.5YR 5/8) broken face clay; 41 percent clay; moderate very coarse prismatic parts to weak medium subangular blocky structure; very firm; 1.0 very fine roots between peds; 3.0 very fine dendritic tubular pores; 10 percent pinkish gray (7.5YR 6/2), moist, and gray (7.5YR 5/1), moist, clay films; 15 percent reddish brown (5YR 4/3), moist, masses of oxidized iron and 25 percent manganese coatings; fragments; noneffervescent; clear smooth boundary. Lab sample # 06N00333; moist when described; observed in pit, small
    2Cg—200 to 214 centimeters (78.7 to 84.3 inches); 60 percent dark yellowish brown (10YR 4/4) broken face and 40 percent gray (2.5Y 6/1) broken face clay loam; 27 percent clay; weak thick platy structure; extremely firm; 20 percent manganese coatings; fragments; noneffervescent. Lab sample # 06N00334; moist when described; observed in pit, small