IDENTIFIERS

  • Current Taxon Name (Soil Name): Elco
  • OSD
  • Series Extent
  • User Site ID: 2011IL167276
  • User Pedon ID: 2011IL167276
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 12N7651
  • NCSS Pedon Lab Data NASIS Record ID - 70214
  • Print Date: 2/16/2025

    • 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: 39.6016472
  • Std. Longitude: -89.5737556
  • Datum: WGS84
  • Township: 13N
  • Range: 4W
  • Section: 6
  • PLSS Details: MLRA 108B SW 160 NW 40; MLRA 108A
  • Location Description: Located about 1/4 mile NE of the town of Pawnee in an Rozetta (279B) map unit
  • State: Illinois
  • County: IL167—Sangamon
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IL167—Sangamon County, Illinois
  • 7.5 Minute USGS Quad: 39089-E5—Pawnee, Illinois

    • PEDON

  • Describers Name: Randall A. Leeper
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Oxyaquic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Elco
  • Classificaton Date - 6/13/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Elco
  • Classificaton Date - 1/11/2012
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess over glacial drift that contains a strongly developed paleosol
  • Landscape: till plain
  • Landform: interfluve
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/11/2012 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous 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

    8

    —

    —

    —

    —

    180

    890

    —

    170

    11

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); 90 percent brown (10YR 4/3) and 10 percent dark yellowish brown (10YR 4/4), pale brown (10YR 6/3), dry; silt loam; moderate fine granular structure; friable; 10.0 very fine roots; fragments; slightly acid, pH 6.2; abrupt smooth boundary.
    Bt1—15 to 36 centimeters (5.9 to 14.2 inches); dark yellowish brown (10YR 4/4) silty clay loam; moderate fine subangular blocky structure; friable; 10.0 very fine roots; 10 percent distinct very dark grayish brown (10YR 3/2) organoargillans on surfaces along root channels and 35 percent faint brown (10YR 4/3) clay films on all faces of peds; fragments; moderately acid, pH 6.0; clear smooth boundary. the texture is sticky, light silty clay loam; continuous - phpvsfiid 1144574; continuous - phpvsfiid 1144575; continuous - phpvsfiid 1144574; continuous - phpvsfiid 1144575
    Bt2—36 to 56 centimeters (14.2 to 22.0 inches); yellowish brown (10YR 5/4) silty clay loam; moderate medium subangular blocky structure; firm; 3.0 very fine roots; 20 percent distinct light gray (10YR 7/2), moist, clay films on all faces of peds and 35 percent faint brown (10YR 5/3), moist, clay films on all faces of peds; 10 percent distinct light gray (10YR 7/2), dry, clay depletions on faces of peds; fragments; moderately acid, pH 6.0; gradual smooth boundary. continuous - phpvsfiid 1144576; continuous - phpvsfiid 1144577; continuous - phpvsfiid 1144576; continuous - phpvsfiid 1144577
    Bt3—56 to 74 centimeters (22.0 to 29.1 inches); yellowish brown (10YR 5/4) silty clay loam; moderate medium subangular blocky structure; firm; 3.0 very fine roots; 35 percent faint brown (10YR 5/3) clay films on all faces of peds; 1 percent fine distinct grayish brown (10YR 5/2) iron depletions and 10 percent distinct light gray (10YR 7/2), dry, clay depletions on faces of peds and 10 percent medium prominent strong brown (7.5YR 4/6) masses of oxidized iron in matrix; fragments; moderately acid, pH 5.8; clear smooth boundary. the (10YR 5/2) iron depletions occur in the lower part of the horizon; continuous - phpvsfiid 1144578; continuous - phpvsfiid 1144578
    2Bt4—74 to 89 centimeters (29.1 to 35.0 inches); brown (10YR 5/3) silty clay loam; 10 percent sand; moderate medium subangular blocky structure; firm; 0.8 very fine roots; 35 percent distinct brown (10YR 4/3) clay films on all faces of peds; 1 percent fine faint grayish brown (2.5Y 5/2) iron depletions in matrix and 10 percent medium prominent strong brown (7.5YR 4/6) masses of oxidized iron in matrix and 10 percent medium prominent spherical very dark brown (7.5YR 2.5/2) iron-manganese nodules with clear boundaries throughout; fragments; moderately acid, pH 5.8; clear smooth boundary. another estimate of the sand content (35%) would tale the texture out of silty clay loam; continuous - phpvsfiid 1144579; continuous - phpvsfiid 1144579
    2Btg1—89 to 127 centimeters (35.0 to 50.0 inches); grayish brown (2.5Y 5/2) silty clay loam; 15 percent sand; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 0.8 very fine roots; 35 percent distinct dark grayish brown (10YR 4/2) clay films on vertical faces of peds; 10 percent medium distinct yellowish brown (10YR 5/4) masses of oxidized iron in matrix and 10 percent medium prominent spherical very dark brown (7.5YR 2.5/2) iron-manganese nodules with clear boundaries throughout; 1 percent by volume mixed fragments; slightly acid, pH 6.2; gradual smooth boundary. another estimate of the sand content (35%) would take the texture out of silty clay loam; continuous - phpvsfiid 1144580; continuous - phpvsfiid 1144580
    2Btg2—127 to 203 centimeters (50.0 to 79.9 inches); gray (2.5Y 6/1) silty clay loam; 15 percent sand; weak medium prismatic, and weak medium subangular blocky structure; firm; 0.8 very fine roots; 10 percent faint grayish brown (2.5Y 5/2) clay films on vertical faces of peds; 10 percent medium prominent spherical very dark brown (7.5YR 2.5/2) iron-manganese nodules with diffuse boundaries throughout and 25 percent medium prominent yellowish brown (10YR 5/4) masses of oxidized iron in matrix; 2 percent by volume mixed fragments; slightly acid, pH 6.4. another estimate of the sand content (35%) would take the texture out of silty clay loam; discontinuous - phpvsfiid 1144581; discontinuous - phpvsfiid 1144581