IDENTIFIERS

  • Current Taxon Name (Soil Name): Hassler
  • OSD
  • Series Extent
  • User Site ID: 1991MO123034M
  • User Pedon ID: 1991MO123034M
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9112334
  • NCSS Pedon Lab Data NASIS Record ID - 31385
  • Print Date: 4/26/2025

    • 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: 37.4648056
  • Std. Longitude: -90.2117462
  • Datum: WGS84
  • Township: T32N
  • Range: R8E
  • Section: 18
  • PLSS Details: 600 feet S and 950 feet E of the NW corner
  • Location Description: 600 ft. S. and 950 ft. E. of the NW corner of sec. 18, T. 32 N., R. 8 E.
  • Map Unit: 77004—Irondale gravelly silt loam, 15 to 35 percent slopes, rocky, extremely bouldery42F—Irondale stony silt loam, 15 to 40 percent slopes, extremely stony
  • State: Missouri
  • County: MO123—Madison
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO123—Madison County, Missouri
  • 7.5 Minute USGS Quad: 37090-D2—Marquand, Missouri

    • PEDON

  • Describers Name: KEB, MLC, RDC and CGM
  • Current Taxonomic Class: Loamy-skeletal, mixed, active, mesic Fragic Hapludalfs
  • 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 - Hassler
  • PSC - 30 to 80 cm.
  • Classificaton Date - 1/31/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Irondale
  • Taxonomic Class - Loamy-skeletal, mixed, active, mesic Typic Hapludults
  • Taxon Kind - series
  • PSC - 33 to 83 cm.
  • Classificaton Date - 10/22/1991
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 48 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: slope alluvium derived from acid igneous rock
  • Landscape: mountains
  • Landform: mountain slope
  • Runoff: high
  • Drainage Class: well
  • Bedrock: igneous, acid
  • Surface Fragments: 10.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/22/1991 (actual site observation date)
  • Air Photo ID: D-5
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    —

    120 -

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

    ochric epipedon

    argillic horizon

    fragic soil properties

    lithic contact

    3—30

    30—120

    82—120

    120—

    —-

    —-

    —-

    —-
    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

    18

    —

    —

    355

    —

    270

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    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); brown (10YR 5/3), light gray (10YR 7/2), dry; very cobbly silt; moderate fine granular structure; very friable; 10.0 very fine and fine roots and 3.0 medium roots; 1 percent by volume 2-39-75 millimeter unspecified fragments and 35 percent by volume 75-162-250 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU042006
    E—11 to 21 centimeters (4.3 to 8.3 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/3), dry; silt loam; weak very fine granular structure; very friable; 10.0 very fine and fine roots and 3.0 medium roots and 0.5 coarse roots; 1 percent by volume 2-39-75 millimeter unspecified fragments and 12 percent by volume 75-162-250 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU042007
    EB—21 to 33 centimeters (8.3 to 13.0 inches); brownish yellow (10YR 6/6) silt loam; weak fine subangular blocky parts to moderate fine granular structure; friable; 10.0 very fine and fine roots and 3.0 medium roots and 0.5 coarse roots; 10.0 pores; 15 percent faint clay films and 15 percent prominent red (2.5YR 4/8) iron stains; 1 percent by volume 2-39-75 millimeter unspecified fragments and 12 percent by volume 75-162-250 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU042008
    Bt1—33 to 56 centimeters (13.0 to 22.0 inches); yellowish brown (10YR 5/6) very cobbly silt loam; 10 percent strong brown (7.5YR 5/8) medium distinct mottles; moderate very fine and fine subangular blocky structure; friable; 10.0 very fine and fine roots and 3.0 medium roots; 14 percent prominent clay films; 2 percent by volume 2-39-75 millimeter unspecified fragments and 40 percent by volume 75-162-250 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU042009
    Bt2—56 to 82 centimeters (22.0 to 32.3 inches); yellowish brown (10YR 5/6) extremely cobbly silt loam; 10 percent strong brown (7.5YR 4/6) fine distinct mottles; moderate very fine and fine subangular blocky structure; friable; 3.0 very fine and fine roots and 0.5 medium roots; 35 percent prominent clay films; 24 percent by volume 2-39-75 millimeter unspecified fragments and 50 percent by volume 75-162-250 millimeter unspecified fragments; 10 BT; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU042010
    2Btx1—82 to 97 centimeters (32.3 to 38.2 inches); strong brown (7.5YR 5/6) silty clay loam; 10 percent red (2.5YR 4/8) medium prominent mottles; weak very fine and fine subangular blocky structure; firm; brittle; 0.5 very fine roots; 35 percent distinct clay films and 35 percent light brownish gray (10YR 6/2) silt coats and 75 percent prominent clay films; 1 percent by volume 250-425-600 millimeter unspecified fragments and 5 percent by volume 2-39-75 millimeter unspecified fragments and 5 percent by volume 75-162-250 millimeter unspecified fragments; 20 BT; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU042011
    2Btx2—97 to 120 centimeters (38.2 to 47.2 inches); strong brown (7.5YR 5/6) gravelly clay loam; 30 percent red (2.5YR 4/6) medium prominent mottles; moderate very fine and fine subangular blocky structure; firm; brittle; 0.5 very fine roots; 4 percent prominent light brownish gray (10YR 6/2) silt coats on vertical faces of peds and 75 percent distinct clay films; 1 percent by volume 250-425-600 millimeter unspecified fragments and 5 percent by volume 75-162-250 millimeter unspecified fragments and 10 percent by volume 2-39-75 millimeter unspecified fragments; 30 BT; very strongly acid, pH 4.9, hellige-truog; abrupt wavy boundary. Lab sample # MU042012
    2R—120 centimeters (47.2 inches); bedrock; fragments.