IDENTIFIERS

  • Current Taxon Name (Soil Name): Mahaska
  • OSD
  • Series Extent
  • User Site ID: S1984IA0870013
  • User Pedon ID: 1984IA087013
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0411
  • NCSS Pedon Lab Data NASIS Record ID - 56127
  • Print Date: 11/23/2024

    • 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: 40.9452782
  • Std. Longitude: -91.4922256
  • Datum: WGS84
  • Township: 71N
  • Range: 6W
  • Section: 13
  • PLSS Details: 1408 feet W and 295 feet N of SE corner
  • Location Description: G. McCabe farm.
  • State: Iowa
  • County: IA087—Henry

    • PEDON

  • Describers Name: J. Lucassen
  • Current Taxonomic Class: Fine, smectitic, mesic Aquertic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Mahaska
  • PSC - 51 to 101 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Otley
  • Taxonomic Class - Fine, montmorillonitic, mesic Typic Argiudoll
  • Taxon Kind - series
  • Classificaton Date - 11/1/1984
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/1984 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—51

    51—152

    —-

    —-
    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

    3

    —

    —

    —

    —

    45

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1A p—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1) interior silty clay loam; weak fine subangular blocky, and weak fine granular structure; friable; 0.5 fine roots; fragments; slightly acid, pH 6.2, hellige-truog; abrupt smooth boundary. Lab sample # 85P02009; moist when described;. few fine roots
    1A 1—20 to 36 centimeters (7.9 to 14.2 inches); black (10YR 2/1) interior silty clay loam; weak fine subangular blocky, and weak fine granular structure; friable; 0.5 fine roots; fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # 85P02010; moist when described;. few fine roots
    1A 2—36 to 51 centimeters (14.2 to 20.1 inches); very dark grayish brown (10YR 3/2) interior silty clay loam; weak medium subangular blocky, and weak fine granular structure; friable; 0.5 fine roots; very dark gray (10YR 3/1), moist, organic stains on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 85P02011; moist when described;. few fine roots
    1B t1—51 to 66 centimeters (20.1 to 26.0 inches); brown (10YR 4/3) interior silty clay loam; moderate medium subangular blocky structure; firm; 0.5 fine roots; 15 percent very dark grayish brown (10YR 3/2), moist, organic stains on faces of peds and 55 percent , moist, clay films on faces of peds; fragments; strongly acid, pH 5.4, hellige-truog; gradual smooth boundary. Lab sample # 85P02012; moist when described;. few organic coats surface features on faces of peds; many clay films surface features on faces of peds; few fine roots
    1B t2—66 to 81 centimeters (26.0 to 31.9 inches); yellowish brown (10YR 5/4) interior silty clay loam; 1 percent yellowish brown (10YR 5/6) fine faint and 1 percent yellowish brown (10YR 5/8) fine distinct mottles; moderate medium subangular blocky structure; firm; 0.5 fine roots; brown (10YR 4/3), moist, coats on faces of peds and 55 percent , moist, clay films on faces of peds; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary. Lab sample # 85P02013; moist when described;. many clay films surface features on faces of peds; few fine roots; few fine faint 10YR56 mottles; few fine distinct 10YR58 mottles
    1B t3—81 to 99 centimeters (31.9 to 39.0 inches); brown (10YR 5/3) interior silty clay loam; 1 percent light brownish gray (10YR 6/2) fine faint and 11 percent yellowish brown (10YR 5/6) fine distinct and 11 percent yellowish brown (10YR 5/8) fine distinct mottles; weak medium subangular blocky structure; firm; 0.5 fine roots; 37 percent , moist, clay films on faces of peds; fragments; slightly acid, pH 6.4, hellige-truog; gradual smooth boundary. Lab sample # 85P02014; moist when described;. common clay films surface features on faces of peds; few fine roots; few fine faint 10YR62 mottles; common fine distinct 10YR56 mottles; common fine distinct 10YR58 mottles
    1B t4—99 to 122 centimeters (39.0 to 48.0 inches); grayish brown (10YR 5/2) interior and light brownish gray (10YR 6/2) silty clay loam; 11 percent yellowish brown (10YR 5/4) fine distinct and 11 percent yellowish brown (10YR 5/6) fine distinct mottles; weak medium subangular blocky structure; firm; 37 percent , moist, clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments; neutral, pH 6.6, hellige-truog; gradual smooth boundary.; moist when described;. Not sampled.; few fine iron-manganese concretions concentrations; common clay films surface features on faces of peds; common fine distinct 10YR54 mottles; common fine distinct 10YR56 mottles
    1B t5—122 to 152 centimeters (48.0 to 59.8 inches); silty clay loam; 11 percent yellowish brown (10YR 5/6) fine prominent and 11 percent yellowish brown (10YR 5/8) fine prominent mottles; weak medium subangular blocky structure; firm; 37 percent , moist, clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments.; wet when described;. Not sampled.; few fine iron-manganese concretions concentrations; common clay films surface features on faces of peds; common fine prominent 10YR56 mottles; common fine prominent 10YR58 mottles