IDENTIFIERS

  • Current Taxon Name (Soil Name): Hobson
  • OSD
  • Series Extent
  • User Site ID: 1998MO203055M
  • User Pedon ID: 1998MO203055M
  • Transect:
  • User Transect ID - shannon-73D
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9861355
  • NCSS Pedon Lab Data NASIS Record ID - 31600
  • 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: 37.4097917
  • Std. Longitude: -91.5669750
  • Datum: WGS84
  • Township: T31N
  • Range: R6W
  • Section: 2
  • PLSS Details: 800 feet E and 350 feet N of the SW corner
  • Location Description: 800 feet east and 350 feet north of the southwest corner of sec. 2, T. 31 N., R. 6 W.
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B2—Powder Mill Ferry, Missouri

    • PEDON

  • Describers Name: SVV,JDC,JB
  • Current Taxonomic Class: Fine-loamy, siliceous, active, mesic Typic Fragiudults
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Hobson
  • PSC - 20 to 69 cm.
  • Classificaton Date - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tonti
  • Taxonomic Class - Fine-loamy, mixed, active, mesic Typic Fragiudults
  • Taxon Kind - series
  • PSC - 20 to 69 cm.
  • Classificaton Date - 6/9/1998
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3


    • SITE

  • Parent Material: pedisediment and/or residuum weathered from mixed and/or slope alluvium
  • Landscape: hills
  • Landform: structural bench
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Bedrock: h slight weathered mixed-igneous and sedimentary
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/9/1998 (actual site observation date)
  • Air Photo ID: 2
  • 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
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    noncoherent

    69 - 91

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

    ochric epipedon

    argillic horizon

    fragipan

    0—20

    20—178

    69—91

    —-

    —-

    —-
    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

    9

    —

    —

    351

    —

    110

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 20 centimeters (0.0 to 7.9 inches); dark grayish brown (10YR 4/2) silt loam; weak fine granular structure; very friable; 7.0 fine roots; 7.0 fine interstitial and tubular pores; 2 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU061718
    Bt1—20 to 33 centimeters (7.9 to 13.0 inches); yellowish brown (10YR 5/4) silt loam; weak fine subangular blocky structure; friable; 7.0 fine to coarse roots; 7.0 fine and medium tubular pores; 30 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on faces of peds and 35 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on faces of peds and 35 percent distinct light yellowish brown (10YR 6/4), moist, silt coats on faces of peds; 2 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU061719. continuous - phpvsfiid 165994; continuous - phpvsfiid 165995; continuous - phpvsfiid 165996; continuous - phpvsfiid 165994; continuous - phpvsfiid 165995; continuous - phpvsfiid 165996
    Bt2—33 to 51 centimeters (13.0 to 20.1 inches); yellowish brown (10YR 5/4) silty clay loam; weak fine subangular blocky structure; friable; 7.0 fine and medium roots and 3.0 coarse roots; 7.0 fine and medium tubular pores; 25 percent distinct brown (10YR 5/3), moist, clay films on faces of peds and 50 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds; 2 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU061720. continuous - phpvsfiid 165997; continuous - phpvsfiid 165998; continuous - phpvsfiid 165997; continuous - phpvsfiid 165998
    Bt3—51 to 69 centimeters (20.1 to 27.2 inches); yellowish brown (10YR 5/6) loam; weak very fine subangular blocky structure; friable; 3.0 medium roots and 7.0 fine roots and 0.9 coarse roots; 7.0 fine tubular pores; 35 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds and 35 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on faces of peds and 35 percent distinct very pale brown (10YR 7/3), moist, silt coats on faces of peds; 3 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; gradual wavy boundary. Lab sample # MU061721. continuous - phpvsfiid 165999; continuous - phpvsfiid 166000; continuous - phpvsfiid 166001; continuous - phpvsfiid 165999; continuous - phpvsfiid 166000; continuous - phpvsfiid 166001
    2Btx—69 to 91 centimeters (27.2 to 35.8 inches); 50 percent light brownish gray (10YR 6/2) and 50 percent strong brown (7.5YR 5/6) extremely gravelly clay loam; weak coarse prismatic structure; firm; brittle; 3.0 fine and medium roots; 3.0 fine and medium vesicular and 0.9 coarse vesicular pores; 20 percent distinct red (2.5YR 4/8), moist, clay films on faces of peds and 20 percent distinct weak red (2.5YR 5/2), moist, clay films on faces of peds and 25 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds and 35 percent distinct grayish brown (10YR 5/2), moist, clay films on faces of peds; 15 percent by volume 2-39-75 millimeter sandstone, unspecified fragments and 45 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.4, hellige-truog; gradual wavy boundary. Lab sample # MU061722. This horizon has about 65% brittleness.; discontinuous - phpvsfiid 166003; continuous - phpvsfiid 166002; continuous - phpvsfiid 166004; patchy - phpvsfiid 166005; discontinuous - phpvsfiid 166003; continuous - phpvsfiid 166002; continuous - phpvsfiid 166004; patchy - phpvsfiid 166005
    3Bt4—91 to 132 centimeters (35.8 to 52.0 inches); yellowish red (5YR 5/6) clay; weak fine subangular blocky structure; firm; 3.0 fine and medium roots; 3.0 fine tubular pores; 30 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds and 35 percent distinct dark red (2.5YR 3/6), moist, clay films on faces of peds and 35 percent distinct strong brown (7.5YR 4/6), moist, clay films on faces of peds; 10 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU061723. continuous - phpvsfiid 166006; continuous - phpvsfiid 166007; continuous - phpvsfiid 166008; continuous - phpvsfiid 166006; continuous - phpvsfiid 166007; continuous - phpvsfiid 166008
    3Bt5—132 to 178 centimeters (52.0 to 70.1 inches); 90 percent red (2.5YR 4/6) and 10 percent reddish yellow (7.5YR 6/6) clay; moderate medium subangular blocky structure; very firm; 0.9 fine roots; 3.0 fine tubular pores; 35 percent distinct dark red (2.5YR 3/6), moist, clay films on faces of peds; fragments. Lab sample # MU061724. continuous - phpvsfiid 166009; continuous - phpvsfiid 166009