IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1994MO203917M
  • User Pedon ID: 1994MO203917M
  • Transect:
  • User Transect ID - shannon-E1E
  • Transect Stop Number - 1
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M94E_E01
  • NCSS Pedon Lab Data NASIS Record ID - 31995
  • Print Date: 3/31/2025

    • 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: 37.1378000
  • Std. Longitude: -91.0951306
  • Datum: WGS84
  • Township: T29N
  • Range: R1W
  • Section: 30
  • PLSS Details: 1825 feet W and 275 feet N of the SE corner
  • Location Description: Site No. 3. Northeast corner. South of road no.15. 1425 feet west and 300 feet north of the SE corner Sec.30, T.29N., R.1W.
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO613—Shannon County, Missouri, North & West PartsMO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B1—Exchange, Missouri

    • PEDON

  • Describers Name: DMM, FH
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Aquic Paleudults
  • 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 - Clarksville
  • PSC - 36 to 86 cm.
  • Classificaton Date - 3/28/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Clarksville
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 26 to 76 cm.
  • Classificaton Date - 7/26/1994
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • Field Measured Properties: 26 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: residuum and/or slope alluvium derived from limestone and sandstone
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: excessively
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/26/1994 (actual site observation date)
  • Air Photo ID: 14
  • Surface Cover Properties:
  • 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

    ochric epipedon

    argillic horizon

    3—26

    26—166

    —-

    —-
    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

    27

    —

    —

    244

    —

    125

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 11 centimeters (1.2 to 4.3 inches); dark grayish brown (10YR 4/2) very gravelly silt loam; strong very fine granular structure; very friable; 3.0 medium roots and 6.0 fine roots; 10.0 fine vesicular pores; 55 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU052063
    AE—11 to 18 centimeters (4.3 to 7.1 inches); 60 percent brown (10YR 5/3) and 30 percent dark grayish brown (10YR 4/2) very gravelly silt loam; 5 percent yellowish brown (10YR 5/6) fine distinct mottles; weak fine subangular blocky structure; very friable; 5.0 medium roots and 3.0 fine roots and 1.0 coarse roots; 1.0 medium tubular and 2.0 fine interstitial and 1.0 fine tubular pores; 1 percent fine iron-manganese concretions; 50 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU052064
    BE—18 to 26 centimeters (7.1 to 10.2 inches); yellowish brown (10YR 5/4) very gravelly silt loam; 2 percent yellowish brown (10YR 5/8) fine prominent mottles; weak fine subangular blocky structure; friable; 1.0 medium roots and 2.0 fine roots and 1.0 coarse roots; 1.0 medium tubular and 2.0 fine vesicular and 2.0 fine tubular pores; 1 percent prominent black (10YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 2 percent distinct dark grayish brown (10YR 4/2), moist, organic stains in root channels and/or pores and 10 percent distinct brown (10YR 5/3), moist, silt coats on faces of peds; 45 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU052065
    Bt1—26 to 39 centimeters (10.2 to 15.4 inches); yellowish brown (10YR 5/4) very gravelly silt loam; weak fine subangular blocky structure; friable; 0.5 medium roots and 3.0 fine roots; 5.0 fine vesicular and 10.0 fine tubular pores; 2 percent faint clay films on vertical faces of peds and 10 percent distinct brown (10YR 5/3), moist, silt coats on all faces of peds; 55 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU052066
    Bt2—39 to 51 centimeters (15.4 to 20.1 inches); yellowish brown (10YR 5/4) extremely gravelly silt loam; weak fine subangular blocky structure; friable; 2.0 very fine and fine roots and 0.5 medium roots; 50.0 coarse vesicular pores; 1 percent prominent black (10YR 2/1), moist, manganese or iron-manganese stains on rock fragments and 2 percent faint dark yellowish brown (10YR 4/4), moist, clay films on rock fragments and 50 percent distinct brown (10YR 5/3), moist, silt coats on rock fragments; 1 percent fine iron-manganese concretions; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 90 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU052067
    Bt3—51 to 64 centimeters (20.1 to 25.2 inches); strong brown (7.5YR 5/6) extremely gravelly silt loam; moderate fine subangular blocky parts to weak very fine subangular blocky structure; friable; 0.1 medium roots and 0.1 fine roots; 10.0 fine tubular pores; 2 percent prominent black (10YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 15 percent distinct strong brown (7.5YR 5/6), moist, clay films on all faces of peds and 25 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds; 1 percent medium iron-manganese concretions and 5 percent fine iron-manganese concretions; 15 percent by volume nonflat angular indurated 75-162-250 millimeter chert fragments and 55 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # MU052068
    2Bt4—64 to 79 centimeters (25.2 to 31.1 inches); strong brown (7.5YR 5/6) extremely gravelly loam; 2 percent light brownish gray (10YR 6/2) fine faint mottles; weak fine subangular blocky structure; firm; 2.0 fine roots; 2.0 fine tubular pores; 1 percent prominent black (10YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 15 percent distinct pale brown (10YR 6/3), moist, silt coats on rock fragments and 20 percent distinct strong brown (7.5YR 4/6), moist, clay films on all faces of peds; 70 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; clear wavy boundary. Lab sample # MU052069
    2Bt5—79 to 97 centimeters (31.1 to 38.2 inches); strong brown (7.5YR 5/6) very gravelly loam; 2 percent yellowish red (5YR 4/6) fine faint mottles; moderate fine subangular blocky parts to moderate fine angular blocky structure; firm; 0.1 fine roots; 3.0 fine tubular pores; 15 percent distinct strong brown (7.5YR 4/6), moist, clay films on all faces of peds and 15 percent distinct pale brown (10YR 6/3), moist, silt coats on rock fragments; 10 percent by volume subangular 75-162-250 millimeter limestone-sandstone fragments and 45 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; gradual smooth boundary. Lab sample # MU052070
    2Bt6—97 to 110 centimeters (38.2 to 43.3 inches); strong brown (7.5YR 5/6) extremely cobbly clay loam; 2 percent brownish yellow (10YR 6/6) fine faint and 2 percent dark red (2.5YR 3/6) fine distinct mottles; weak medium subangular blocky parts to weak fine angular blocky structure; firm; 0.1 fine roots; 3.0 fine tubular pores; 2 percent distinct pale brown (10YR 6/3), moist, silt coats on all faces of peds and 20 percent distinct strong brown (7.5YR 4/6), moist, clay films on all faces of peds; 20 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments and 40 percent by volume subangular 75-162-250 millimeter limestone-sandstone fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU052071
    2Bt71—110 to 122 centimeters (43.3 to 48.0 inches); yellowish red (5YR 5/6) very cobbly clay loam; 5 percent dark red (2.5YR 3/6) fine distinct and 5 percent reddish yellow (7.5YR 6/6) fine distinct mottles; weak medium subangular blocky parts to weak fine angular blocky structure; firm; 0.1 very fine and fine roots; 1.0 fine vesicular and 2.0 fine tubular pores; 2 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds and 20 percent distinct yellowish red (5YR 4/6), moist, clay films on all faces of peds; 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments and 35 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; gradual wavy boundary. Lab sample # MU052072
    2Bt72—122 to 133 centimeters (48.0 to 52.4 inches); yellowish red (5YR 5/6) very cobbly clay loam; weak medium subangular blocky parts to weak fine angular blocky structure; firm; 0.1 very fine and fine roots; 1.0 fine vesicular and 2.0 fine tubular pores; 2 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds and 20 percent distinct yellowish red (5YR 4/6), moist, clay films on all faces of peds; 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments and 35 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog. Lab sample # MU052073
    3Bt8—133 to 150 centimeters (52.4 to 59.1 inches); yellowish red (5YR 4/6) gravelly clay; 5 percent dark red (2.5YR 3/6) fine distinct and 5 percent reddish yellow (7.5YR 6/6) fine distinct mottles; moderate medium subangular blocky structure; firm; 0.1 very fine and fine roots; 3.0 fine tubular pores; 20 percent distinct strong brown (7.5YR 4/6), moist, clay films on faces of peds and 20 percent prominent light gray (10YR 7/2), moist, silt coats on all faces of peds; 20 percent by volume subrounded 2-39-75 millimeter limestone-sandstone fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU052074
    3Bt9—150 to 166 centimeters (59.1 to 65.4 inches); yellowish red (5YR 5/6) gravelly clay; weak medium subangular blocky parts to weak fine angular blocky structure; firm; 0.1 fine roots; 2.0 fine tubular pores; 20 percent distinct yellowish red (5YR 4/6), moist, clay films on all faces of peds and 20 percent prominent light gray (10YR 7/2), moist, silt coats on all faces of peds; 1 percent fine iron-manganese concretions; 25 percent by volume subangular 2-39-75 millimeter limestone-sandstone fragments; strongly acid, pH 5.1, hellige-truog. Lab sample # MU052075