IDENTIFIERS

  • Current Taxon Name (Soil Name): Hobson
  • OSD
  • Series Extent
  • User Site ID: 1997MO203037M
  • User Pedon ID: 1997MO203037M
  • User Site Association ID: 8632
  • Transect:
  • User Transect ID - shannon-77C1
  • Transect Stop Number - 7
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9761337
  • NCSS Pedon Lab Data NASIS Record ID - 31670
  • Print Date: 11/24/2024

    • 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: 37.3180583
  • Std. Longitude: -91.3311000
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-C3—The Sinks, Missouri

    • PEDON

  • Describers Name: BM,MS,SB,LT
  • Current Taxonomic Class: Fine-loamy, siliceous, active, mesic Typic Fragiudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Hobson
  • PSC - 30 to 51 cm.
  • Classificaton Date - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Hobson
  • Taxonomic Class - Fine-loamy, siliceous, active, mesic Oxyaquic Fragiudalfs
  • Taxon Kind - series
  • PSC - 30 to 51 cm.
  • Classificaton Date - 5/14/1997
  • Moisture Class - udic
  • Moisture SUBClass - oxyaquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • Field Measured Properties: 34 percent of Percent clay in the control section and 10 Percent rock fragments in the control section (vol)


    • SITE

  • Parent Material: pedisediment and/or residuum and/or slope alluvium
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: footslope
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/14/1997 (actual site observation date)
  • Air Photo ID: 9
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    noncoherent

    51 - 81

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    fragipan

    0—30

    30—51

    51—81

    —-

    —-

    —-
    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

    8

    —

    —

    240

    —

    160

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 4/3) broken face gravelly loam; weak fine granular structure; 3.0 medium roots and 7.0 fine roots; 7.0 fine tubular pores; 30 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU059434
    E—10 to 30 centimeters (3.9 to 11.8 inches); yellowish brown (10YR 5/6) broken face loam; weak fine subangular blocky structure; 3.0 fine roots; 7.0 fine and medium tubular and 3.0 coarse tubular pores; 15 percent distinct light yellowish brown (10YR 6/4) silt coats on faces of peds and 35 percent distinct dark yellowish brown (10YR 4/4) clay films on faces of peds; 3 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.4, hellige-truog; clear wavy boundary. Lab sample # MU059435
    Bt1—30 to 51 centimeters (11.8 to 20.1 inches); yellowish brown (10YR 5/6) broken face very gravelly loam; weak fine subangular blocky structure; 7.0 fine to coarse tubular pores; 35 percent distinct dark yellowish brown (10YR 4/4) clay films on faces of peds; 50 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.6, hellige-truog; clear wavy boundary. Lab sample # MU059436
    2Btx—51 to 81 centimeters (20.1 to 31.9 inches); 60 percent light brownish gray (10YR 6/2) broken face and 40 percent yellowish brown (10YR 5/6) broken face very gravelly loam; moderate coarse prismatic structure; brittle; 7.0 coarse vesicular pores; 15 percent distinct yellowish brown (10YR 5/6) clay films on faces of peds and 15 percent distinct gray (10YR 6/1) manganese or iron-manganese stains on faces of peds and 35 percent distinct light brownish gray (10YR 6/2) clay films on faces of peds; 40 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.7, hellige-truog; gradual wavy boundary. Lab sample # MU059437
    3BC1—81 to 117 centimeters (31.9 to 46.1 inches); 50 percent light yellowish brown (10YR 6/4) broken face and 50 percent yellowish brown (10YR 5/4) broken face extremely gravelly coarse sandy loam; single grain; 7.0 fine and medium tubular and 3.0 coarse tubular pores; 35 percent distinct strong brown (7.5YR 4/6) clay films on rock fragments and 35 percent distinct light brownish gray (10YR 6/2) clay films on rock fragments; 40 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # MU059438
    3BC2—117 to 142 centimeters (46.1 to 55.9 inches); light yellowish brown (10YR 6/4) broken face and brownish yellow (10YR 6/6) broken face extremely gravelly coarse sandy loam; single grain; 7.0 fine and medium tubular and 3.0 coarse tubular pores; 35 percent distinct yellowish brown (10YR 5/6) clay films on rock fragments and 35 percent distinct pale brown (10YR 6/3) silt coats on rock fragments; 70 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.6, hellige-truog; gradual wavy boundary. Lab sample # MU059439
    3Bt2—142 to 178 centimeters (55.9 to 70.1 inches); brownish yellow (10YR 6/6) broken face extremely gravelly sandy clay loam; moderate fine subangular blocky structure; 3.0 medium and coarse tubular and 7.0 fine tubular pores; 15 percent distinct yellowish brown (10YR 5/6) clay films on faces of peds and 15 percent distinct dark yellowish brown (10YR 4/4) clay films on faces of peds and 15 percent distinct gray (10YR 6/1) clay films on faces of peds; 30 percent by volume 75-162-250 millimeter sandstone, unspecified fragments and 40 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog. Lab sample # MU059440