IDENTIFIERS

  • Current Taxon Name (Soil Name): Union
  • OSD
  • Series Extent
  • User Site ID: 2000MO055021M
  • User Pedon ID: 2000MO055021
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M0005521
  • 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: 38.1936778
  • Std. Longitude: -91.4012639
  • Datum: WGS84
  • Township: T40N
  • Range: R4W
  • Section: 20
  • PLSS Details: 1030 feet E and 500 feet S of the NW corner
  • Location Description: 1030ft east and 500ft south of nw corner sec 20 t40 r4w
  • State: Missouri
  • County: MO055—Crawford
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO055—Crawford County, Missouri
  • 7.5 Minute USGS Quad: 38091-B4—Oak Hill, Missouri

    • PEDON

  • Describers Name: SL, JF,GB
  • Current Taxonomic Class: Fine-silty, active, mesic Oxyaquic Fragiudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Union
  • PSC - 23 to 73 cm.
  • Classificaton Date - 12/12/2012
  • Classifier - J.R. Perkins
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Union
  • Taxonomic Class - Fine Typic Fragiudalfs
  • Taxon Kind - series
  • PSC - 23 to 73 cm.
  • Classificaton Date - 4/10/2000
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified


    • SITE

  • Parent Material: loess over pedisediment over residuum
  • Landscape: hills
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Bedrock: indurated sandstone, unspecified
  • Geology: Pennyslyvanian Undifferentiated formation of the Pennyslyvanian Undifferentiated group.
  • Surface Fragments:
  • Benchmark Soil?: yes

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/10/2000 (actual site observation date)
  • Air Photo ID: C-1
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • 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

    abrupt textural change

    fragipan

    noncoherent

    noncoherent

    23 - 23

    74 - 122

    - 0 -

    - 48 -

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

    ochric epipedon

    albic horizon

    argillic horizon

    abrupt textural change

    redox depletions with chroma 2 or less

    fragipan

    lithologic discontinuity

    lithologic discontinuity

    redox depletions with chroma 2 or less

    0—10

    10—23

    23—165

    23—23

    58—122

    74—122

    74—122

    122—165

    145—165

    —10—

    —13—

    —142—

    —0—

    —64—

    —48—

    —48—

    —43—

    —20—
    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

    6

    —

    —

    292.6

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); dark brown (10YR 3/3) silt loam; 14 percent clay; weak fine subangular blocky structure; friable; many (6.0) very fine roots and many (6.0) fine roots; many (6.0) fine tubular pores; fragments; gradual smooth boundary. Lab sample # MU021444
    E—10 to 23 centimeters (3.9 to 9.1 inches); brown (10YR 4/3) silt loam; 13 percent clay; weak medium subangular blocky structure; friable; many (6.0) very fine roots and many (6.0) fine roots; many (6.0) fine tubular pores; fragments; clear smooth boundary. Lab sample # MU021445
    Bt1—23 to 38 centimeters (9.1 to 15.0 inches); strong brown (7.5YR 4/6) silty clay loam; 30 percent clay; moderate medium subangular blocky structure; firm; common (3.0) medium roots and common (3.0) fine roots and common (3.0) coarse roots; common (3.0) fine tubular pores; 5 percent by volume nonflat indurated 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU021446
    Bt2—38 to 58 centimeters (15.0 to 22.8 inches); brown (7.5YR 4/4) silty clay; 45 percent clay; moderate medium prismatic, and moderate coarse prismatic structure; firm; common (3.0) medium roots and common (3.0) fine roots and common (3.0) coarse roots; few (1.0) fine tubular pores; fragments; gradual wavy boundary. Lab sample # MU021447
    Bt3—58 to 74 centimeters (22.8 to 29.1 inches); 60 percent grayish brown (10YR 5/2) and 40 percent strong brown (7.5YR 5/6) silt loam; 21 percent clay; moderate medium prismatic, and moderate coarse prismatic structure; firm; common (1.0) very fine roots and common (1.0) fine roots; fragments; clear smooth boundary. Lab sample # MU021448
    2Btx1—74 to 99 centimeters (29.1 to 39.0 inches); 70 percent gray (10YR 5/1) and 30 percent brown (7.5YR 4/4) loam; 8 percent clay; strong coarse prismatic structure; very firm; brittle; 15 percent masses of oxidized iron; 5 percent by volume 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU021449
    2Btx2—99 to 122 centimeters (39.0 to 48.0 inches); light brownish gray (10YR 6/2) extremely gravelly fine sandy loam; 7 percent clay; moderate very coarse prismatic structure; very firm; brittle; 35 percent prominent silt coats; 10 percent by volume nonflat indurated 2-39-75 millimeter sandstone, unspecified fragments and 60 percent by volume nonflat indurated 2-39-75 millimeter limestone, cherty fragments; gradual wavy boundary. Lab sample # MU021450. discontinuous - phpvsfiid 139378; discontinuous - phpvsfiid 139378
    3Bt1—122 to 145 centimeters (48.0 to 57.1 inches); 50 percent brown (10YR 5/3) and 50 percent strong brown (7.5YR 5/6) fine sandy loam; 20 percent clay; moderate medium prismatic parts to strong medium subangular blocky structure; friable; fragments; gradual wavy boundary. Lab sample # MU021451
    3Bt2—145 to 165 centimeters (57.1 to 65.0 inches); 30 percent strong brown (7.5YR 5/8) and 40 percent brown (7.5YR 4/4) and 30 percent grayish brown (10YR 5/2) paragravelly sandy clay; 43 percent clay; moderate medium prismatic parts to strong medium subangular blocky structure; firm; 20 percent by volume nonflat moderately coherent cemented 2-39-75 millimeter sandstone, unspecified fragments. Lab sample # MU021452