IDENTIFIERS

  • Current Taxon Name (Soil Name): Sawmill
  • OSD
  • Series Extent
  • User Site ID: S1965IL071001
  • User Pedon ID: S1965IL071001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 65IL071001
  • NCSS Pedon Lab Data NASIS Record ID - 20594
  • Print Date: 2/1/2025

    • 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: 40.8806050
  • Std. Longitude: -90.9989170
  • Datum: WGS84
  • Township: 10N
  • Range: 5W
  • Section: 6
  • PLSS Details: 65 feet west and 35 feet north of southeast section corner
  • Map Unit: 7107A—Sawmill silty clay loam, 0 to 2 percent slopes, rarely flooded
  • Country: US—United States
  • State: Illinois
  • County: IL071—Henderson
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-SPI—Springfield, Illinois
  • Non-MLRA Soil Survey Area: IL071—Henderson County, Illinois
  • 7.5 Minute USGS Quad: 40090-H8—Oquawka, Illinois

    • PEDON

  • Describers Name: John D. Alexander & Herman L. Wascher
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Cumulic Endoaquolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Sawmill
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/10/2009
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Sawmill
  • PSC - 25 to 100 cm.
  • Classificaton Date - 11/1/1965
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landform: flood plain
  • Geomorphic Component Flats: talf
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: poorly
  • Flooding: rare flooding for brief periods
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/1965 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    Ap

    A1

    A2

    Btg1

    Btg2

    Btg3

    Btg4

    Cg1

    Cg2

    Cg3

    0

    18

    30

    46

    69

    84

    102

    114

    140

    163

    18

    30

    46

    69

    84

    102

    114

    140

    163

    183

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    Ap

    A1

    A2

    Btg1

    Btg2

    Btg3

    Btg4

    Cg1

    Cg2

    Cg3

    0

    18

    30

    46

    69

    84

    102

    114

    140

    163

    18

    30

    46

    69

    84

    102

    114

    140

    163

    183

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    Ap

    A1

    A2

    Btg1

    Btg2

    Btg3

    Btg4

    Cg1

    Cg2

    Cg3

    0

    18

    30

    46

    69

    84

    102

    114

    140

    163

    18

    30

    46

    69

    84

    102

    114

    140

    163

    183

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    0—84

    84—114

    —84—

    —30—
    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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    159.5

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    360

    940

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    177

    10

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); black (N 2.5/),, dark gray (N 4/),, dry; silty clay loam; weak coarse granular structure; firm; fragments; slightly acid, pH 6.1; abrupt smooth boundary. Lab sample # IL20071
    A1—18 to 30 centimeters (7.1 to 11.8 inches); black (N 2.5/),, dark gray (N 4/),, dry; silty clay loam; moderate fine granular structure; firm; fragments; moderately acid, pH 5.9; clear smooth boundary. Lab sample # IL20072
    A2—30 to 46 centimeters (11.8 to 18.1 inches); black (N 2.5/),, dark gray (N 4/),, dry; silty clay loam; mottles; weak fine subangular blocky structure; firm; 15 percent faint black (N 2.5/), moist, organic stains on all faces of peds; 10 percent fine prominent irregular olive brown (2.5Y 4/4) masses of oxidized iron with clear boundaries in matrix; fragments; moderately acid, pH 5.9; gradual smooth boundary. Lab sample # IL20073. The two pH's in the A & Btg1 horizons are too acid; continuous - phpvsfiid 1414381; continuous - phpvsfiid 1414381
    Btg1—46 to 69 centimeters (18.1 to 27.2 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; mottles; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 25 percent faint very dark gray (10YR 3/1), moist, organoargillans on all faces of peds; 10 percent fine prominent irregular olive brown (2.5Y 4/4), moist, masses of oxidized iron with clear boundaries in matrix; fragments; moderately acid, pH 5.9; gradual smooth boundary. Lab sample # IL20074. The pH is too acid; continuous - phpvsfiid 1414380; continuous - phpvsfiid 1414380
    Btg2—69 to 84 centimeters (27.2 to 33.1 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; mottles; moderate medium prismatic parts to moderate fine subangular blocky structure; firm; 25 percent faint very dark gray (10YR 3/1), moist, organoargillans on all faces of peds; 25 percent medium distinct irregular dark yellowish brown (10YR 4/4), moist, masses of oxidized iron with clear boundaries in matrix; 1 percent by volume rounded strongly coherent cemented mixed fragments; moderately acid, pH 6.0; gradual smooth boundary. Lab sample # IL20075. The pH is too acid; continuous - phpvsfiid 1414378; continuous - phpvsfiid 1414378
    Btg3—84 to 102 centimeters (33.1 to 40.2 inches); dark gray (10YR 4/1) silty clay loam; mottles; weak medium subangular blocky structure; firm; 25 percent distinct very dark gray (10YR 3/1), moist, organoargillans on all faces of peds; 25 percent medium distinct irregular dark yellowish brown (10YR 4/4), moist, masses of oxidized iron with diffuse boundaries in matrix; 1 percent by volume rounded strongly coherent cemented mixed fragments; slightly acid, pH 6.1; clear smooth boundary. Lab sample # IL20076. 1 percent rounded strongly cemented mixed rock fragments; continuous - phpvsfiid 1414379; continuous - phpvsfiid 1414379
    Btg4—102 to 114 centimeters (40.2 to 44.9 inches); variegated 50 percent dark gray (10YR 4/1) and 50 percent dark yellowish brown (10YR 4/4) silty clay loam; weak coarse angular blocky structure; firm; 25 percent distinct very dark gray (10YR 3/1), moist, organoargillans on vertical faces of peds; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # IL20077. The second matriz color is outside the RIC; The pH is too acid; discontinuous - phpvsfiid 1414382; discontinuous - phpvsfiid 1414382
    Cg1—114 to 140 centimeters (44.9 to 55.1 inches); variegated gray (10YR 5/1) and yellowish brown (10YR 5/4) silty clay loam; massive; firm; fragments; slightly acid, pH 6.2; diffuse smooth boundary. Lab sample # IL20078. The second matrix color is outside the RIC
    Cg2—140 to 163 centimeters (55.1 to 64.2 inches); variegated gray (10YR 5/1) and yellowish brown (10YR 5/4) silt loam; massive; firm; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # IL20079. The second matrix color is outside the RIC; The pH is too acid
    Cg3—163 to 183 centimeters (64.2 to 72.0 inches); variegated grayish brown (2.5Y 5/2) and yellowish brown (10YR 5/4) silt loam; massive; friable; 25 percent medium prominent spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with sharp boundaries throughout; fragments; slightly acid, pH 6.1. Lab sample # IL20080. The second matrix color is outside the RIC