IDENTIFIERS

  • Current Taxon Name (Soil Name): Douds
  • OSD
  • Series Extent
  • User Site ID: S1992IA177001
  • User Pedon ID: S1992IA177001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0593
  • NCSS Pedon Lab Data NASIS Record ID - 64832
  • Print Date: 11/21/2024
  • 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: 40.8969460
  • Std. Longitude: -91.7763901
  • Datum: WGS84
  • Township: 70N
  • Range: 8W
  • Section: 4
  • PLSS Details: 1360 feet south and 100 feet west of the northeast corner
  • Country: US—United States
  • State: Iowa
  • County: IA177—Van Buren
  • 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: IA177—Van Buren County, Iowa
  • PEDON

  • Describers Name: LDC and JAL
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Douds
  • Taxonomic Class - Coarse-loamy, mixed Typic Hapludalfs
  • PSC - 25 to 75 cm.
  • Classificaton Date - 8/8/1991
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/8/1991 (actual site observation date)
  • Air Photo ID: NHP7
  • 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

    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2), grayish brown (10YR 5/2), dry; silt loam; weak very fine and fine granular structure; friable; 3.0 very fine and fine roots throughout; fragments; moderately acid, pH 5.6, hellige-truog; abrupt smooth boundary. Lab sample # 92P03540
    E—13 to 25 centimeters (5.1 to 9.8 inches); brown (10YR 4/3), grayish brown (10YR 5/2), dry; silt loam; weak thin platy structure; friable; 3.0 very fine roots throughout; faint dark grayish brown (10YR 4/2) coats on faces of peds and in pores; fragments; moderately acid, pH 5.9, hellige-truog; abrupt smooth boundary. Lab sample # 92P03541
    BE—25 to 36 centimeters (9.8 to 14.2 inches); dark yellowish brown (10YR 4/4) loam; weak thin platy parts to weak very fine subangular blocky structure; friable; 0.5 fine roots throughout; clay films on faces of peds and 10 percent faint dark grayish brown (10YR 4/2) coats on faces of peds and in pores and 30 percent gray (10YR 6/1) skeletans on horizontal faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; abrupt smooth boundary. Lab sample # 92P03542
    Bt1—36 to 61 centimeters (14.2 to 24.0 inches); dark yellowish brown (10YR 4/4) loam; 1 percent grayish brown (10YR 5/2) fine distinct and 1 percent yellowish brown (10YR 5/8) fine distinct mottles; moderate very fine and fine subangular blocky structure; friable; 0.5 fine roots throughout; fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # 92P03543
    Bt2—61 to 81 centimeters (24.0 to 31.9 inches); dark yellowish brown (10YR 4/4) loam; 3 percent yellowish red (5YR 5/8) fine and medium prominent and 21 percent light brownish gray (2.5Y 6/2) medium and coarse mottles; moderate medium and coarse subangular blocky structure; friable; 30 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # 92P03544
    Bt3—81 to 112 centimeters (31.9 to 44.1 inches); dark yellowish brown (10YR 4/6); weak medium prismatic parts to weak medium and coarse subangular blocky structure; 10 percent distinct dark yellowish brown (10YR 4/4) clay films on faces of peds; fragments. Lab sample # 92P03545
    BC—112 to 137 centimeters (44.1 to 53.9 inches); dark yellowish brown (10YR 4/6) loam; 1 percent yellowish red (5YR 4/6) fine prominent and 3 percent yellowish brown (10YR 5/8) distinct and 21 percent light brownish gray (2.5Y 6/2) fine and medium prominent mottles; weak medium and coarse subangular blocky structure; firm; 10 percent brown (10YR 4/3) coats in root channels and/or pores; fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # 92P03546
    C1—137 to 178 centimeters (53.9 to 70.1 inches); yellowish brown (10YR 5/6) clay loam; 3 percent light brownish gray (2.5Y 6/2) fine prominent and 3 percent yellowish red (5YR 5/8) mottles; massive; friable; 10 percent prominent black stains; fragments; strongly acid, pH 5.5, hellige-truog. Lab sample # 92P03547
    C2—178 to 203 centimeters (70.1 to 79.9 inches); strong brown (7.5YR 5/6) sandy loam; 1 percent pale brown (10YR 6/3) medium prominent mottles; massive; 10 percent distinct black (N 2/0) black stains; fragments. Lab sample # 92P03548