IDENTIFIERS

  • Current Taxon Name (Soil Name): Bucknell
  • OSD
  • Series Extent
  • User Site ID: S1995IA135002
  • User Pedon ID: S1995IA135002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 95P0834
  • NCSS Pedon Lab Data NASIS Record ID - 67841
  • 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: 41.1116676
  • Std. Longitude: -93.0516663
  • Datum: WGS84
  • Township: 73N
  • Range: 19W
  • Section: 21
  • PLSS Details: 800 feet north and 400 feet west of the center
  • Location Description: About 1 mile north of Weller.
  • State: Iowa
  • County: IA135—Monroe
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-GAL—Gallatin, Missouri
  • Non-MLRA Soil Survey Area: IA135—Monroe County, Iowa
  • PEDON

  • Current Taxonomic Class: Fine, montmorillonitic, mesic Vertic Epiaqualfs
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Bucknell
  • Taxonomic Class - Fine, montmorillonitic, mesic Vertic Epiaqualfs
  • Classificaton Date - 6/1/1995
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: subglacial till
  • Landform: upland slope
  • Slope Shape Down: convex
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1995 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • 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

    12

    284

    270

    838

    10.6

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark grayish brown (10YR 4/2) interior and very dark gray (10YR 3/1) and very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silty clay loam; weak medium subangular blocky, and moderate fine platy, and moderate fine granular structure; friable; thin light gray (10YR 7/1), moist, silt coats; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # 95P05319. discontinuous - phpvsfiid 329788; discontinuous - phpvsfiid 329788
    BE—18 to 25 centimeters (7.1 to 9.8 inches); dark grayish brown (2.5Y 4/2) clay; moderate very fine and fine subangular blocky structure; firm; thin light gray (10YR 7/1), moist, silt coats; 10 percent fine distinct yellowish brown (10YR 5/6), moist, iron-manganese masses; fragments; very strongly acid, pH 4.8; gradual smooth boundary. Lab sample # 95P05320. discontinuous - phpvsfiid 329789; discontinuous - phpvsfiid 329789
    Btg1—25 to 46 centimeters (9.8 to 18.1 inches); dark gray (10YR 4/1) clay; moderate fine subangular blocky structure; firm; thin light gray (10YR 7/1), moist, silt coats and thin very dark gray (10YR 3/1), moist, clay films; 30 percent fine distinct yellowish brown (10YR 5/6), moist, iron-manganese masses; fragments; very strongly acid, pH 4.8; gradual smooth boundary. Lab sample # 95P05321. discontinuous - phpvsfiid 329790; discontinuous - phpvsfiid 329791; discontinuous - phpvsfiid 329790; discontinuous - phpvsfiid 329791
    Bt2—46 to 69 centimeters (18.1 to 27.2 inches); yellowish brown (10YR 5/8) and gray (10YR 5/1) and yellowish brown (10YR 5/4) clay; weak medium prismatic, and moderate fine and medium subangular blocky structure; firm; thin dark grayish brown (10YR 4/2), moist, clay films and thin light gray (10YR 7/1), moist, silt coats; 10 percent by volume 2-?-5 millimeter unspecified fragments; very strongly acid, pH 4.8; gradual smooth boundary. Lab sample # 95P05322. discontinuous - phpvsfiid 329792; discontinuous - phpvsfiid 329793; discontinuous - phpvsfiid 329792; discontinuous - phpvsfiid 329793
    Bt3—69 to 97 centimeters (27.2 to 38.2 inches); yellowish brown (10YR 5/8) and yellowish brown (10YR 5/6) and gray (10YR 5/1) clay loam; moderate medium prismatic, and moderate fine and medium subangular blocky structure; firm; thin dark grayish brown (10YR 4/2), moist, clay films; 10 percent by volume 2-?-5 millimeter unspecified fragments; strongly acid, pH 5.3; gradual smooth boundary. Lab sample # 95P05323. discontinuous - phpvsfiid 329794; discontinuous - phpvsfiid 329794
    Bt4—97 to 109 centimeters (38.2 to 42.9 inches); light gray (5Y 7/2) and yellowish brown (10YR 5/6) clay loam; weak medium prismatic, and weak medium subangular blocky structure; firm; thin gray (10YR 5/1), moist, clay films; 10 percent by volume 2-?-5 millimeter unspecified fragments; moderately acid, pH 5.8; gradual smooth boundary. Lab sample # 95P05324. discontinuous - phpvsfiid 329795; discontinuous - phpvsfiid 329795
    Bt5—109 to 132 centimeters (42.9 to 52.0 inches); yellowish brown (10YR 5/6) and light gray (5Y 7/2) clay loam; weak medium prismatic, and weak medium subangular blocky structure; firm; thin gray (10YR 5/1), moist, clay films; 10 percent by volume 2-?-5 millimeter unspecified fragments; moderately acid, pH 5.8; gradual smooth boundary. Lab sample # 95P05325. discontinuous - phpvsfiid 329796; discontinuous - phpvsfiid 329796
    BC—132 to 165 centimeters (52.0 to 65.0 inches); yellowish brown (10YR 5/6) and light gray (5Y 7/1) clay loam; weak coarse prismatic structure; firm; 10 percent by volume 2-?-5 millimeter unspecified fragments; moderately acid, pH 5.8. Lab sample # 95P05326
    C1—165 to 198 centimeters (65.0 to 78.0 inches); pressure faces; fragments. Lab sample # 95P05327. discontinuous - phpvsfiid 329802; discontinuous - phpvsfiid 329802
    C2—198 to 224 centimeters (78.0 to 88.2 inches); fragments. Lab sample # 95P05328