IDENTIFIERS

  • Current Taxon Name (Soil Name): MACKSBURG
  • OSD
  • Series Extent
  • User Site ID: S1961IA001001
  • User Pedon ID: S1961IA001001
  • Vegetation Plot ID: S1961IA001001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1417
  • NCSS Pedon Lab Data NASIS Record ID - 35025
  • 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: 41.1983337
  • Std. Longitude: -94.4005585
  • Datum: WGS84
  • Township: 74N
  • Range: 31W
  • Section: 22
  • PLSS Details: 663 feet south and 678 feet east of NW corner of NE 1/4
  • State: Iowa
  • County: IA001—Adair
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IA001—Adair County, Iowa

    • PEDON

  • Describers Name: R. I. Dideriksen
  • Current Taxonomic Class: Fine, montmorillonitic, mesic Aquic Argiudolls
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - MACKSBURG
  • PSC - 63 to 109 cm.
  • Classificaton Date - 7/16/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Macksburg
  • Classificaton Date - 10/12/1961
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/12/1961 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    TRIFO

    Trifolium

    clover

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    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

    1

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    A1p—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1) and very dark brown (10YR 2/2) rubbed, dark gray (10YR 4/1), dry; silty clay loam; weak medium subangular blocky parts to weak fine granular structure; friable; 3.0 tubular pores; 3 percent worm casts; fragments; abrupt smooth boundary. Lab sample # 40A10903. Pores are wormholes.
    A12—18 to 36 centimeters (7.1 to 14.2 inches); 75 percent black (10YR 2/1) and 25 percent very dark brown (10YR 2/2), dark gray (10YR 4/1), dry; silty clay loam; moderate very fine granular structure; friable; 3.0 tubular pores; 3 percent worm casts; fragments; gradual smooth boundary. Lab sample # 40A10904. Moist color value slightly lower and dry chroma slightly lower than above horizon; very few very fine hard concretions of an oxide.
    A3—36 to 51 centimeters (14.2 to 20.1 inches); very dark brown (10YR 2/2) and very dark brown (10YR 2/2) rubbed and very dark grayish brown (10YR 3/2) rubbed, gray (10YR 5/1), dry; silty clay loam; weak fine subangular blocky parts to moderate fine granular structure; friable; 21.0 very fine and fine tubular pores; 1 percent very dark grayish brown (10YR 3/2) worm casts; fragments; gradual smooth boundary. Lab sample # 40A10905. Few to common fine hard concretions of an oxide.
    B1—51 to 64 centimeters (20.1 to 25.2 inches); very dark brown (10YR 2/2) and very dark grayish brown (10YR 3/2) and very dark grayish brown (10YR 3/2) rubbed and dark grayish brown (10YR 4/2) rubbed, grayish brown (10YR 5/2), dry; silty clay loam; moderate very fine subangular blocky structure; friable; 21.0 very fine and fine tubular and 0.5 coarse tubular pores; 1 percent dark grayish brown (10YR 4/2) worm casts; fragments; clear smooth boundary. Lab sample # 40A10906. Few very fine hard concretions of an oxide.
    B21—64 to 76 centimeters (25.2 to 29.9 inches); dark grayish brown (10YR 4/2) and brown (10YR 5/3) and light olive brown (2.5Y 5/3) and dark grayish brown (10YR 4/2) exterior and brown (10YR 5/3) interior and light olive brown (2.5Y 5/3) interior silty clay loam; 1 percent yellowish brown (10YR 5/4) fine faint mottles; weak medium prismatic parts to moderate fine subangular blocky structure; firm; 3.0 very fine and fine tubular pores; very dark gray (10YR 3/1), moist, coats on faces of peds and clay films on faces of peds; fragments; gradual smooth boundary. Lab sample # 40A10907. Few fine hard and few fine soft concretions of an oxide.; continuous - phpvsfiid 186192; continuous - phpvsfiid 186193; continuous - phpvsfiid 186192; continuous - phpvsfiid 186193
    B22—76 to 91 centimeters (29.9 to 35.8 inches); dark grayish brown (2.5Y 4/2) and grayish brown (2.5Y 5/2) and light olive brown (2.5Y 5/3) rubbed silty clay loam; 3 percent dark yellowish brown (10YR 4/4) fine faint and 3 percent yellowish brown (10YR 5/4) fine faint mottles; weak medium prismatic parts to moderate fine subangular blocky structure; firm; 3.0 very fine and fine tubular pores; clay films on faces of peds and 10 percent very dark gray (10YR 3/1), moist, coats on faces of peds; fragments; gradual wavy boundary. Lab sample # 40A10908. Common fine soft and few fine hard concretions of an oxide; very few fine vertical orientated clay fills in pores.; continuous - phpvsfiid 186194; continuous - phpvsfiid 186195; continuous - phpvsfiid 186194; continuous - phpvsfiid 186195
    B23—91 to 109 centimeters (35.8 to 42.9 inches); olive gray (5Y 5/2) and light olive brown (2.5Y 5/3) rubbed silty clay loam; 3 percent dark brown (10YR 3/3) fine distinct and 3 percent yellowish brown (10YR 5/4) fine distinct mottles; weak medium and coarse prismatic parts to moderate medium subangular blocky structure; firm; 3.0 very fine and fine tubular pores; clay films on faces of peds and 10 percent very dark gray (10YR 3/1), moist, clay films in root channels and/or pores; fragments; gradual smooth boundary. Lab sample # 40A10909. Many fine hard and few fine soft concretions of an oxide; faint horizontal band of strong brown (7.5YR 5/6) color. Clay in pores arranged vertically as fills.; discontinuous - phpvsfiid 186196; discontinuous - phpvsfiid 186196
    B3—109 to 130 centimeters (42.9 to 51.2 inches); olive gray (5Y 5/2) and light olive brown (2.5Y 5/4) rubbed silty clay loam; 1 percent dark brown (10YR 3/3) fine distinct mottles; weak coarse prismatic parts to weak medium and coarse subangular blocky structure; firm; 21.0 very fine and fine tubular pores; clay films on faces of peds; fragments; diffuse wavy boundary. Lab sample # 40A10910. Faint vertical streaks of strong brown 7.5YR 5/6; large open voids and pores free of clay; many very fine hard and few fine soft concretions of an oxide.; discontinuous - phpvsfiid 186198; discontinuous - phpvsfiid 186198
    C1—130 to 152 centimeters (51.2 to 59.8 inches); olive gray (5Y 5/2) and light olive brown (2.5Y 5/4) rubbed silty clay loam; 21 percent yellowish brown (10YR 5/4) fine and medium distinct and 21 percent dark yellowish brown (10YR 4/4) fine and medium distinct mottles; massive; firm; 21.0 fine and medium tubular pores; 10 percent clay films on faces of peds; fragments; diffuse wavy boundary. Lab sample # 40A10911. Distinct vertical cleavage; faint vertical streak of strong brown (7.5YR 5/6) extending from horizon above; common open spherical and tubular shaped voids 5 to 10 mm. in diameter; many fine soft and very few hard concretions of an oxide.; discontinuous - phpvsfiid 186199; discontinuous - phpvsfiid 186199
    C2—152 to 175 centimeters (59.8 to 68.9 inches); olive gray (5Y 5/2) silty clay loam; 1 percent dark brown (10YR 3/3) fine distinct and 21 percent yellowish brown (10YR 5/4) fine and medium distinct and 21 percent dark yellowish brown (10YR 4/4) fine and medium distinct mottles; massive; firm; 21.0 fine and medium tubular pores; 10 percent clay films on faces of peds; fragments; diffuse wavy boundary. Lab sample # 40A10912. Distinct vertical cleavage; faint vertical streaks of strong brown (7.5 YR 5/6); many fine soft and very few hard concretions of an oxide; common spherical and tubular-shaped voids 5 to 10 mm. in diameter.; discontinuous - phpvsfiid 186200; discontinuous - phpvsfiid 186200
    C3—175 to 196 centimeters (68.9 to 77.2 inches); olive gray (5Y 5/2) and light olive brown (2.5Y 5/4) rubbed silty clay loam; 3 percent yellowish brown (10YR 5/6) fine distinct and 21 percent strong brown (7.5YR 5/6) medium and coarse prominent mottles; massive; firm; 21.0 very fine and fine tubular pores; fragments; clear smooth boundary. Lab sample # 40A10913. Some vertical cleavage; horizon lacks open voids that are present in above; many fine soft and few very fine hard concretions of an oxide.
    C4—196 to 221 centimeters (77.2 to 87.0 inches); light olive gray (5Y 6/2) silt loam; 1 percent strong brown (7.5YR 5/6) fine and 3 percent yellowish brown (10YR 5/4) fine distinct mottles; massive; firm; 12.0 very fine and fine filled with coarse material pores; very dark gray (10YR 3/1), moist, clay films in root channels and/or pores; fragments. Lab sample # 40A10914. Common coarse soft concentrations of an oxide.; continuous - phpvsfiid 186201; continuous - phpvsfiid 186201