IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville Tax
  • OSD
  • Series Extent
  • User Site ID: 93IL181024E
  • User Pedon ID: 93IL181024E
  • Vegetation Plot ID: 93IL181024E
  • User Site Association ID: ECS_1_Ecological Classification System Study_CCA
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 95P0182
  • NCSS Pedon Lab Data NASIS Record ID - 67200
  • 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: 37.5556219
  • Std. Longitude: -89.4370172
  • Datum: WGS84
  • Location Description: MLRA 115B. CCA# 22. Illinois Ozarks - 222Aq. NE 1/4 of NE 1/4 of Section 21, T. 11. S., R. 3. W. Dana's pedon# 93IL181002-4; Lincoln pedon# 93IL1810024; Pedon# 93IL181024
  • State: Illinois
  • MLRA: 115B—Central Mississippi Valley Wooded Slopes, Western Part

    • PEDON

  • Describers Name: Dana Grantham, SCS; Matt McCauley, SCS and Don Dagnan, USFS
  • Current Taxonomic Class: Loamy, mixed, shallow Typic Hapludults
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Clarksville Tax
  • Taxonomic Class - Loamy, mixed, shallow Typic Hapludults
  • Classificaton Date - 5/1/1993
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: bluff
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: very high
  • Drainage Class: well
  • Surface Fragments: 50.00 percent
  • Benchmark Soil?: no

    • VEGETATION

  • Vegplot Text Note(s): NASIS Site Name (MLRA06_Morgantown) was transferred over (MLRA12_Amherst) to align with the new USDA-NRCS SPSD Regional Office boundaries. The MLRA12-Amherst NASIS Site will eventually be renamed as the Northeast NASIS Site.

    • SITE OBSERVATION

  • Observation Date: 5/1/1993 (actual site observation date)
  • Air Photo ID: 9
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: wind and water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    VAAR

    Vaccinium arboreum

    farkleberry

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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

    60

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    219

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    215

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    A—0 to 3 centimeters (0.0 to 1.2 inches); black (10YR 2/1); weak fine granular structure; friable; 21.0 fine and medium roots throughout; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary. Lab sample # 95P01222
    E—3 to 5 centimeters (1.2 to 2.0 inches); light brownish gray (10YR 6/2); weak fine granular structure; friable; 21.0 fine and medium roots throughout; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; abrupt smooth boundary. Lab sample # 95P01223
    Bt—5 to 41 centimeters (2.0 to 16.1 inches); dark yellowish brown (10YR 4/6); weak fine subangular blocky structure; friable; 21.0 fine and medium roots throughout and 21.0 coarse roots throughout; 1 percent faint brown (10YR 5/3) clay films on lower surfaces of peds or rocks; 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog. Lab sample # 95P01224. continuous - phpvsfiid 87613; continuous - phpvsfiid 87613
    Cr—41 to 51 centimeters (16.1 to 20.1 inches); fragments.