IDENTIFIERS

  • Current Taxon Name (Soil Name): BUCKNELL
  • OSD
  • Series Extent
  • User Site ID: S1995IA107011
  • User Pedon ID: S1995IA107011
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 95P0828
  • NCSS Pedon Lab Data NASIS Record ID - 67835
  • 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: 41.3211098
  • Std. Longitude: -91.9841690
  • Datum: WGS84
  • Township: 75N
  • Range: 10W
  • Section: 10
  • PLSS Details: 850 feet south and 300 feet west of the northeast corner
  • Country: US—United States
  • State: Iowa
  • County: IA107—Keokuk
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-WAV—Waverly, Iowa
  • Non-MLRA Soil Survey Area: IA107—Keokuk County, Iowa
  • 7.5 Minute USGS Quad: 41091-C8—Keota, Iowa

    • PEDON

  • Describers Name: Sampled with 3 " tube and probe truck by SJE and JAL, described by same.
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 11
  • Sampled As Information:
  • Soil Name - BUCKNELL
  • Taxonomic Class - Montmorillonitic Mollic Epiaqualfs
  • PSC - 15 to 65 cm.
  • Classificaton Date - 8/11/1994
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: till
  • Runoff: high
  • Drainage Class: somewhat poorly
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/11/1994 (actual site observation date)
  • Air Photo ID: 56
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    —

    —

    230

    —

    100

    —

    —

    —

    —

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silty clay loam; 15 percent sand; 37 percent clay; moderate fine and medium granular structure; friable; 0.5 fine roots; fragments; neutral, pH 6.6, hellige-truog; abrupt smooth boundary. Lab sample # 95P05259
    Btg1—15 to 30 centimeters (5.9 to 11.8 inches); dark grayish brown (10YR 4/2) clay; 20 percent sand; 50 percent clay; 10 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate fine and medium subangular blocky structure; very firm; 0.5 fine roots; 60 percent distinct dark gray (10YR 4/1) clay films on faces of peds; 1 percent fine irregular iron-manganese masses; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # 95P05260
    Btg2—30 to 48 centimeters (11.8 to 18.9 inches); dark grayish brown (10YR 4/2) clay; 20 percent sand; 45 percent clay; 25 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate medium prismatic parts to moderate fine and medium subangular blocky structure; firm; 0.5 fine roots; 30 percent distinct dark gray (10YR 4/1) clay films on faces of peds; 1 percent fine irregular iron-manganese masses; fragments; moderately acid, pH 5.6, hellige-truog; gradual smooth boundary. Lab sample # 95P05261
    Btg3—48 to 71 centimeters (18.9 to 28.0 inches); grayish brown (2.5Y 5/2) clay; 25 percent sand; 41 percent clay; 25 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 0.5 fine roots; 30 percent distinct gray (10YR 5/1) clay films on faces of peds; 1 percent fine irregular iron-manganese masses; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # 95P05262
    Btg4—71 to 97 centimeters (28.0 to 38.2 inches); grayish brown (2.5Y 5/2) clay loam; 30 percent sand; 38 percent clay; 30 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; moderate medium prismatic structure; firm; 0.5 fine roots; 20 percent distinct gray (10YR 5/1) clay films on faces of peds; 1 percent fine irregular iron-manganese masses; fragments; slightly acid, pH 6.4, hellige-truog; gradual smooth boundary. Lab sample # 95P05263
    BCg—97 to 137 centimeters (38.2 to 53.9 inches); grayish brown (2.5Y 5/2) and strong brown (7.5YR 5/6) clay loam; 30 percent sand; 35 percent clay; weak medium prismatic structure; firm; 0.5 fine roots; 15 percent distinct gray (10YR 5/1) clay films on faces of peds; 1 percent fine irregular iron-manganese masses; fragments; neutral, pH 6.8, hellige-truog; gradual smooth boundary. Lab sample # 95P05264
    Cg1—137 to 157 centimeters (53.9 to 61.8 inches); yellowish brown (10YR 5/4) clay loam; 30 percent sand; 35 percent clay; 15 percent light brownish gray (2.5Y 6/2) medium prominent and 30 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; massive; firm; 1 percent fine irregular iron-manganese masses; fragments; neutral, pH 7.2, hellige-truog; gradual smooth boundary. Lab sample # 95P05265
    Cg2—157 to 196 centimeters (61.8 to 77.2 inches); yellowish brown (10YR 5/4) clay loam; 30 percent sand; 35 percent clay; 15 percent light brownish gray (2.5Y 6/2) medium prominent and 30 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; massive; firm; 1 percent fine irregular iron-manganese masses; 1 percent fine spherical carbonate concretions; fragments; strong effervescence; slightly alkaline, pH 7.8, hellige-truog; gradual smooth boundary. Lab sample # 95P05266
    Cg3—196 to 244 centimeters (77.2 to 96.1 inches); yellowish brown (10YR 5/4) and light brownish gray (2.5Y 6/2) clay loam; 30 percent sand; 35 percent clay; 15 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; massive; firm; 1 percent fine irregular iron-manganese masses; 1 percent fine and medium spherical carbonate concretions; fragments; violent effervescence; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 95P05267