IDENTIFIERS

  • Current Taxon Name (Soil Name): Piedmont
  • OSD
  • Series Extent
  • User Site ID: S1995OK109011
  • User Pedon ID: S1995OK109011
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 91P0905
  • NCSS Pedon Lab Data NASIS Record ID - 63943
  • Print Date: 6/2/2024
  • 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: 35.7075005
  • Std. Longitude: -97.6272202
  • Datum: WGS84
  • Township: 14N
  • Range: 4W
  • Section: 9
  • PLSS Details: 1300 feet south and 2000 feet west of the northeast corner
  • Location Description: About 1300 feet south and 2000 feet west of the northeast corner of sec. 9, T. 14 N., R. 4 W.
  • Map Unit: PimB—Piedmont silt loam, 1 to 3 percent slopes
  • Country: US—United States
  • State: Oklahoma
  • County: OK109—Oklahoma
  • MLRA: 80A—Central Rolling Red Prairies
  • Regional Office: SC—South Central
  • MLRA Soil Survey Area: SC-STW—Stillwater, Oklahoma
  • 7.5 Minute USGS Quad: 35097-F6—Piedmont, Oklahoma
  • PEDON

  • Describers Name: Bob G. Bourlier
  • Current Taxonomic Class: Fine, mixed, superactive, thermic Udertic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Piedmont
  • PSC - 20 to 70 cm.
  • Classificaton Date - 5/23/2016
  • Classifier - Jerry Weinheimer
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Piedmont
  • Taxonomic Class - Fine, mixed Udertic Argiustolls
  • PSC - 20 to 70 cm.
  • Classificaton Date - 8/31/1995
  • Moisture Class - ustic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


  • SITE

  • Parent Material: residuum weathered from shale
  • Landscape: alluvial plain
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/31/1995 (actual site observation date)
  • Air Photo ID: 1-N
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    weakly coherent

    89 - 150

    - 61 -

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

    mollic epipedon

    argillic horizon

    slickensides

    secondary carbonates

    paralithic contact

    0—41

    20—76

    20—76

    41—89

    89—150

    —41—

    —56—

    —56—

    —48—

    —61—

    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

    333

    864

    15.6

    26.7

    3.9

    16.7

    27.8

    5

    72357

    National Severe Storms Laboratory, Norman Ok.

    Official U.S.

    Ap—0 to 10 centimeters (0.0 to 3.9 inches); brown (7.5YR 5/3) crushed, dark brown (7.5YR 3/3) crushed, moist; silt loam; 17 percent sand; 61 percent silt; 22 percent clay; moderate fine and medium platy parts to weak very fine granular structure; hard when dry, friable; 6.0 very fine and fine roots throughout; 4.0 very fine and fine pores; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.3, hellige-truog; clear smooth boundary.
    BA—10 to 20 centimeters (3.9 to 7.9 inches); dark reddish gray (5YR 4/2) crushed, dark reddish brown (5YR 3/2) crushed, moist; silty clay loam; 10 percent sand; 59 percent silt; 31 percent clay; weak medium platy parts to weak fine subangular blocky structure; hard when dry, friable; 6.0 very fine and fine roots throughout; 6.0 very fine and fine pores; 1 percent light brown (7.5YR 6/3), dry, silt coats on faces of peds; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.5, hellige-truog; clear smooth boundary.
    Btss—20 to 41 centimeters (7.9 to 16.1 inches); reddish brown (5YR 4/3) crushed, dark reddish brown (5YR 3/3) crushed, moist; silty clay; 6 percent sand; 45 percent silt; 50 percent clay; moderate medium prismatic parts to moderate medium angular blocky structure; extremely hard, extremely firm; 4.0 very fine and fine roots throughout; 6.0 very fine and 4.0 fine pores; 30 percent nonintersecting slickensides throughout and 30 percent distinct clay films on all faces of peds and 30 percent pressure faces throughout; , 1 percent by weight nonflat subangular strongly coherent cemented 2-40-75 millimeter siltstone, unspecified fragments observed by weighed method; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.5, hellige-truog; gradual wavy boundary. continuous - phpvsfiid 93886; continuous - phpvsfiid 93886
    Btssk1—41 to 53 centimeters (16.1 to 20.9 inches); reddish brown (5YR 5/3) crushed, reddish brown (5YR 4/3) crushed, moist; silty clay; 6 percent sand; 46 percent silt; 47 percent clay; weak medium prismatic parts to moderate medium angular blocky structure; extremely hard, extremely firm; 4.0 very fine and fine roots throughout; 4.0 very fine and fine pores; 30 percent nonintersecting slickensides throughout and 30 percent distinct clay films on all faces of peds and 30 percent pressure faces throughout; 1 percent fine and medium spherical carbonate nodules throughout; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; gradual wavy boundary. continuous - phpvsfiid 93874; continuous - phpvsfiid 93874
    Btssk2—53 to 76 centimeters (20.9 to 29.9 inches); reddish brown (5YR 5/4) crushed, reddish brown (5YR 4/4) crushed, moist; silty clay loam; 6 percent sand; 54 percent silt; 40 percent clay; weak medium prismatic parts to weak medium angular blocky structure; extremely hard, extremely firm; 4.0 very fine roots throughout and 1.0 fine roots throughout; 4.0 very fine and fine pores; 5 percent distinct clay films on all faces of peds and 5 percent distinct carbonate coats throughout and 10 percent nonintersecting slickensides throughout; 1 percent coarse carbonate masses throughout and 1 percent fine and medium spherical carbonate nodules throughout; , 2 percent by weight nonflat subangular strongly coherent cemented 2-40-75 millimeter siltstone, unspecified fragments observed by weighed method; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; gradual wavy boundary. discontinuous - phpvsfiid 93822; patchy - phpvsfiid 93821; discontinuous - phpvsfiid 93822; patchy - phpvsfiid 93821
    BCk—76 to 89 centimeters (29.9 to 35.0 inches); yellowish red (5YR 5/6) crushed, yellowish red (5YR 4/6) crushed, moist; silty clay loam; 3 percent sand; 70 percent silt; 27 percent clay; weak medium subangular blocky structure; very hard, very firm; 0.5 very fine and fine roots throughout; 4.0 very fine and fine pores; 1 percent distinct black stains on faces of peds; 1 percent carbonate threads throughout and 1 percent medium carbonate masses throughout; , 4 percent by weight nonflat subangular strongly coherent cemented 2-40-75 millimeter siltstone, unspecified fragments observed by weighed method; 1 percent krotovinas (volume percent); violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. discontinuous - phpvsfiid 93782; discontinuous - phpvsfiid 93782
    Cr1—89 to 132 centimeters (35.0 to 52.0 inches); red (2.5YR 5/6) exterior, red (2.5YR 4/6) exterior, moist; bedrock; 0.5 very fine and fine roots in cracks; 1 percent distinct black stains on rock fragments; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. discontinuous - phpvsfiid 92753; discontinuous - phpvsfiid 92753
    Cr2—132 to 150 centimeters (52.0 to 59.1 inches); red (2.5YR 5/6) exterior, red (2.5YR 4/6) exterior, moist; bedrock; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog.