IDENTIFIERS

  • Current Taxon Name (Soil Name): Keosauqua
  • OSD
  • Series Extent
  • User Site ID: S1992IA177002
  • User Pedon ID: S1992IA177002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0594
  • NCSS Pedon Lab Data NASIS Record ID - 64833
  • Print Date: 2/2/2025

    • 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: 40.8541679
  • Std. Longitude: -92.1183319
  • Datum: WGS84
  • Township: 70N
  • Range: 11W
  • Section: 22
  • PLSS Details: 1100 feet south and 800 feet east of the northwest corner
  • Location Description: About 2 miles NW of Douds. at an elevation of 610 feet above mean sea level.
  • 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

  • Current Taxonomic Class: Fine-loamy, mixed, mesic Typic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Keosauqua
  • PSC - 33 to 83 cm.
  • Classificaton Date - 11/30/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Keosauqua
  • Taxonomic Class - Fine-loamy, mixed, mesic Typic Argiudoll
  • Taxon Kind - series
  • Classificaton Date - 3/3/1992
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landform: terrace
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/3/1992 (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
    • 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

    2

    —

    —

    229

    —

    864

    —

    —

    11.1

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; loam; weak very fine and fine granular structure; friable; 0.5 fine roots throughout; fragments; slightly acid, pH 6.3, hellige-truog; abrupt smooth boundary. Lab sample # 92P03549
    A—18 to 33 centimeters (7.1 to 13.0 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; loam; weak very fine and fine subangular blocky structure; friable; 0.5 fine roots throughout; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 92P03550. Combined thickness of the A horizons is 10 to 22 inches
    Bt1—33 to 53 centimeters (13.0 to 20.9 inches); brown (10YR 4/3) loam; moderate very fine and fine angular blocky structure; friable; 0.5 fine roots throughout; 10 percent clay films on faces of peds and 75 percent faint dark brown (10YR 3/3) coats on faces of peds and in pores; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 92P03551
    Bt2—53 to 69 centimeters (20.9 to 27.2 inches); dark yellowish brown (10YR 4/4) clay loam; moderate very fine and fine angular blocky structure; friable; 0.5 fine roots throughout; 75 percent faint dark yellowish brown (10YR 3/4) coats on faces of peds and in pores and 75 percent distinct clay films on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # 92P03552
    Bt3—69 to 86 centimeters (27.2 to 33.9 inches); dark yellowish brown (10YR 4/4) clay loam; moderate fine and medium subangular blocky structure; friable; 30 percent distinct clay films on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # 92P03553
    Bt4—86 to 104 centimeters (33.9 to 40.9 inches); dark yellowish brown (10YR 4/6) loam; moderate fine and medium angular blocky structure; friable; 0.5 fine roots throughout; 30 percent distinct clay films on faces of peds; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 92P03554. Combined thickness of the Bt horizons is 12 to 28 inches thick
    Bt5—104 to 119 centimeters (40.9 to 46.9 inches); dark yellowish brown (10YR 4/6) loam; weak medium prismatic parts to weak fine and medium subangular blocky structure; friable; 0.5 fine roots throughout; 10 percent faint clay films on faces of peds; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 92P03555
    2C1—119 to 140 centimeters (46.9 to 55.1 inches); dark yellowish brown (10YR 4/6) loamy sand; single grain; loose; 1 percent by volume 2-39-75 millimeter mixed fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 92P03556
    2C2—140 to 155 centimeters (55.1 to 61.0 inches); yellowish brown (10YR 5/4) loamy sand; weak angular blocky parts to single grain; very friable; 10 percent distinct brown (10YR 4/3) coats on faces of peds; 1 percent by volume 2-39-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # 92P03557
    2C3—155 to 191 centimeters (61.0 to 75.2 inches); dark yellowish brown (10YR 4/4) and yellowish brown (10YR 5/4) sand; single grain; loose; 12 percent by volume 2-39-75 millimeter unspecified fragments; gradual smooth boundary. Lab sample # 92P03558
    2C4—191 to 208 centimeters (75.2 to 81.9 inches); dark yellowish brown (10YR 4/4); single grain; loose; 12 percent by volume 2-39-75 millimeter unspecified fragments. Lab sample # 92P03559