IDENTIFIERS

  • Current Taxon Name (Soil Name): AMANA
  • OSD
  • Series Extent
  • User Site ID: S1995IA107013
  • User Pedon ID: S1995IA107013
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 95P0830
  • NCSS Pedon Lab Data NASIS Record ID - 67837
  • Print Date: 2/17/2025

    • 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: 41.4772224
  • Std. Longitude: -92.0083313
  • Datum: WGS84
  • Township: 77N
  • Range: 10W
  • Section: 16
  • PLSS Details: 1930 feet south and 1370 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

    • PEDON

  • Describers Name: Pulled with a 3" tube and probe truck by SJE, JAL, and ROD, described by JAL and SJE.
  • Current Taxonomic Class: Fine-silty, mixed, mesic Aquic Hapludolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 13
  • Sampled As Information:
  • Soil Name - AMANA
  • Taxonomic Class - Fine-silty, mixed, mesic Aquic Hapludolls
  • Classificaton Date - 9/9/1994
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Runoff: very low
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/9/1994 (actual site observation date)
  • Air Photo ID: 15
  • 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

    0

    —

    —

    216

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    Ap—0 to 23 centimeters (0.0 to 9.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; 10 percent sand; 22 percent clay; moderate fine and medium granular structure; friable; 3.0 fine roots; 3.0 fine tubular pores; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 95P05279
    A—23 to 38 centimeters (9.1 to 15.0 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silt loam; 10 percent sand; 25 percent clay; moderate fine and medium granular structure; friable; 0.5 fine roots; 0.5 fine tubular pores; fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # 95P05280
    Bw1—38 to 56 centimeters (15.0 to 22.0 inches); dark grayish brown (10YR 4/2) silty clay loam; 10 percent sand; 28 percent clay; 5 percent yellowish brown (10YR 5/4) fine distinct mottles; weak very fine and fine subangular blocky structure; friable; 0.5 fine roots; 0.5 fine tubular pores; 15 percent distinct very dark gray (10YR 3/1) organic stains on faces of peds; 1 percent fine irregular iron-manganese masses; fragments; neutral, pH 6.6, hellige-truog; clear smooth boundary. Lab sample # 95P05281
    Bw2—56 to 76 centimeters (22.0 to 29.9 inches); dark grayish brown (10YR 4/2) silty clay loam; 10 percent sand; 30 percent clay; 10 percent light brownish gray (10YR 6/2) fine distinct and 15 percent yellowish brown (10YR 5/4) fine distinct mottles; moderate fine and medium subangular blocky structure; friable; 0.5 fine roots; 0.5 fine tubular pores; 1 percent fine irregular iron-manganese masses; fragments; slightly acid, pH 6.1, hellige-truog; gradual smooth boundary. Lab sample # 95P05282
    Bw3—76 to 94 centimeters (29.9 to 37.0 inches); grayish brown (10YR 5/2) silty clay loam; 10 percent sand; 30 percent clay; 10 percent light brownish gray (10YR 6/2) fine distinct and 15 percent yellowish brown (10YR 5/6) fine and medium prominent mottles; weak medium prismatic parts to weak medium subangular blocky structure; friable; 0.5 fine roots; 0.5 fine tubular pores; 10 percent distinct dark grayish brown (10YR 4/2) coats on faces of peds; 1 percent fine irregular iron-manganese masses; fragments; moderately acid, pH 5.6, hellige-truog; gradual smooth boundary. Lab sample # 95P05283
    Bw4—94 to 122 centimeters (37.0 to 48.0 inches); grayish brown (10YR 5/2) silt loam; 10 percent sand; 27 percent clay; 15 percent strong brown (7.5YR 5/6) fine and medium prominent and 22 percent light brownish gray (10YR 6/2) fine and medium distinct mottles; weak medium prismatic parts to weak coarse subangular blocky structure; friable; 0.5 fine roots; 0.5 fine tubular pores; 10 percent distinct dark grayish brown (10YR 4/2) coats in root channels and/or pores; 1 percent fine irregular iron-manganese masses; fragments; moderately acid, pH 5.6, hellige-truog; gradual smooth boundary. Lab sample # 95P05284
    BC—122 to 142 centimeters (48.0 to 55.9 inches); grayish brown (10YR 5/2) silt loam; 10 percent sand; 27 percent clay; 15 percent strong brown (7.5YR 5/6) fine and medium prominent and 22 percent light brownish gray (10YR 6/2) fine and medium distinct mottles; weak medium prismatic structure; friable; 0.5 fine roots; 0.5 fine tubular pores; 10 percent distinct dark grayish brown (10YR 4/2) coats in root channels and/or pores; 1 percent fine irregular iron-manganese masses; fragments; moderately acid, pH 5.6, hellige-truog; gradual smooth boundary. Lab sample # 95P05285
    C1—142 to 193 centimeters (55.9 to 76.0 inches); light brownish gray (10YR 6/2) silt loam; 25 percent sand; 25 percent clay; 30 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; massive; friable; 1 percent fine irregular iron-manganese masses; fragments; moderately acid, pH 5.6, hellige-truog; gradual smooth boundary. Lab sample # 95P05286
    C2—193 to 216 centimeters (76.0 to 85.0 inches); light brownish gray (10YR 6/2) loam; 40 percent sand; 25 percent clay; 40 percent dark yellowish brown (10YR 4/6) fine and medium prominent mottles; massive; friable; 1 percent fine irregular iron-manganese masses; fragments; moderately acid, pH 5.8, hellige-truog. Lab sample # 95P05287