IDENTIFIERS

  • Current Taxon Name (Soil Name): Ava
  • OSD
  • Series Extent
  • User Site ID: S1990IL025010
  • User Pedon ID: 90IL025010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 90P0805
  • NCSS Pedon Lab Data NASIS Record ID - 62738
  • Print Date: 4/26/2025

    • 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: 38.7827797
  • Std. Longitude: -88.3997192
  • Datum: WGS84
  • Township: 4N
  • Range: 7E
  • Section: 15
  • PLSS Details: About 1220 feet N and 2310 feet W of the SE corner
  • Location Description: Hoosier Twp.
  • State: Illinois
  • County: IL025—Clay
  • MLRA: 113—Central Claypan Areas

    • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Fragic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Ava
  • Classificaton Date - 6/15/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Ava
  • Taxonomic Class - Fine-silty, mixed, mesic Typic Fragiudalf
  • Taxon Kind - series
  • Classificaton Date - 3/1/1990
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Geomorphic Component Hills: side slope
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/1/1990 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    7

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    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2), pale brown (10YR 6/3), dry; silt loam; weak very fine and fine granular structure; friable; 2.5 very fine roots; 1 percent spherical calcite crystals; fragments; neutral, pH 6.8, hellige-truog; abrupt boundary. Lab sample # 90P04757. few calcite crystals concentrations; common very fine roots
    Bt1—13 to 25 centimeters (5.1 to 9.8 inches); yellowish brown (10YR 5/6) silty clay loam; weak fine prismatic, and weak fine subangular blocky structure; friable; 2.5 very fine roots; 37 percent distinct brown (10YR 4/3), moist, clay films on faces of peds; 1 percent spherical plinthite nodules; fragments; very strongly acid, pH 4.8, hellige-truog; clear boundary. Lab sample # 90P04758. few plinthite segregations concentrations; common clay films surface features on faces of peds; common very fine roots
    Bt2—25 to 41 centimeters (9.8 to 16.1 inches); yellowish brown (10YR 5/4) silty clay loam; 1 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate fine and medium prismatic, and moderate fine angular blocky structure; firm; 2.5 very fine roots; 15 percent distinct pale brown (10YR 6/3), moist, coats on faces of peds and 37 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; 1 percent spherical plinthite nodules; fragments; very strongly acid, pH 4.8, hellige-truog; clear boundary. Lab sample # 90P04759. few plinthite segregations concentrations; few coats surface features on faces of peds; common clay films surface features on faces of peds; common very fine roots; few fine prominent 7.5YR46 mottles
    B/E—41 to 48 centimeters (16.1 to 18.9 inches); yellowish brown (10YR 5/4) and pale brown (10YR 6/3) silty clay loam; 11 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate fine and medium prismatic, and moderate fine angular blocky structure; firm; 2.5 very fine roots; 37 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; 1 percent spherical plinthite nodules; fragments; very strongly acid, pH 4.8, hellige-truog; abrupt boundary. Lab sample # 90P04760. E part occurs as coatings on faces of peds; few plinthite segregations concentrations; common clay films surface features on faces of peds; common very fine roots; common fine prominent 7.5YR46 mottles
    B't—48 to 76 centimeters (18.9 to 29.9 inches); brown (10YR 5/3) silty clay loam; 11 percent strong brown (7.5YR 4/6) medium prominent and 11 percent gray (10YR 6/1) fine distinct mottles; strong medium prismatic, and moderate medium angular blocky structure; firm; 0.5 very fine roots; 1 percent spherical plinthite nodules; fragments; very strongly acid, pH 4.8, hellige-truog; abrupt boundary. Lab sample # 90P04761. few plinthite segregations concentrations; few very fine roots; common fine distinct 10YR61 mottles; common medium prominent 7.5YR46 mottles
    2Btx—76 to 132 centimeters (29.9 to 52.0 inches); pale brown (10YR 6/3) clay loam; 11 percent strong brown (7.5YR 4/6) medium prominent and 11 percent grayish brown (10YR 5/2) coarse faint mottles; moderate very coarse prismatic, and moderate medium angular blocky structure; very firm; brittle; 0.5 very fine roots; 55 percent distinct brown (10YR 4/3), moist, clay films on faces of peds and 55 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; 11 percent spherical lime masses; fragments; very strongly acid, pH 4.6, hellige-truog; clear boundary. Lab sample # 90P04762. (10YR 5/2) in vertical seams; common soft masses of lime concentrations; many clay films surface features on faces of peds; many clay films surface features on faces of peds; few very fine roots; common medium prominent 7.5YR46 mottles; common coarse faint 10YR52 mottles
    2BC—132 to 152 centimeters (52.0 to 59.8 inches); pale brown (10YR 6/3) clay loam; 1 percent grayish brown (10YR 5/2) fine faint and 11 percent strong brown (7.5YR 4/6) medium prominent and 11 percent strong brown (7.5YR 5/6) medium prominent mottles; weak medium prismatic structure; firm; 15 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds; 11 percent irregular lime masses; fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # 90P04763. common soft masses of lime concentrations; few clay films surface features on faces of peds; few fine faint 10YR52 mottles; common medium prominent 7.5YR46 mottles; common medium prominent 7.5YR56 mottles
    3Btb1—152 to 203 centimeters (59.8 to 79.9 inches); pale brown (10YR 6/3) and yellowish red (5YR 4/6) clay loam; 11 percent strong brown (7.5YR 5/6) medium prominent mottles; moderate coarse prismatic structure; firm; 15 percent distinct reddish brown (5YR 4/4), moist, clay films on faces of peds and 37 percent distinct brown (10YR 4/3), moist, clay films on faces of peds; 11 percent irregular lime masses; fragments; moderately acid, pH 5.8, hellige-truog. Lab sample # 90P04764. clay films and iron-manganese stains prominent in large pores; common soft masses of lime concentrations; few clay films surface features on faces of peds; common clay films surface features on faces of peds; common medium prominent 7.5YR56 mottles
    3Btb2—203 to 259 centimeters (79.9 to 102.0 inches); yellowish brown (10YR 5/6) clay loam; 11 percent grayish brown (10YR 5/2) medium distinct mottles; moderate coarse prismatic, and moderate coarse angular blocky structure; firm; 15 percent distinct reddish brown (5YR 4/4), moist, clay films on faces of peds and 37 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds; 30 percent irregular iron-manganese concretions; fragments; neutral, pH 6.6, hellige-truog. Lab sample # 90P04765. many iron-manganese concretions concentrations; few clay films surface features on faces of peds; common clay films surface features on faces of peds; common medium distinct 10YR52 mottles
    3Btb3—259 to 330 centimeters (102.0 to 129.9 inches); yellowish brown (10YR 5/6) clay loam; 11 percent light brownish gray (2.5Y 6/2) medium prominent mottles; moderate coarse prismatic, and moderate coarse angular blocky structure; firm; 15 percent distinct reddish brown (5YR 4/4), moist, clay films on faces of peds and 37 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds; 11 percent irregular lime masses; fragments; neutral, pH 6.8, hellige-truog. Lab sample # 90P04766. common soft masses of lime concentrations; few clay films surface features on faces of peds; common clay films surface features on faces of peds; common medium prominent 2.5Y62 mottles