IDENTIFIERS

  • Current Taxon Name (Soil Name): ST. PAUL
  • OSD
  • Series Extent
  • User Site ID: S1992OK151001
  • User Pedon ID: 92OK151001
  • Vegetation Plot ID: S1992OK151001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0403
  • NCSS Pedon Lab Data NASIS Record ID - 65746
  • Print Date: 11/24/2024

    • 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: 36.8372231
  • Std. Longitude: -99.1344452
  • Datum: WGS84
  • Township: 27N
  • Range: 18W
  • Section: 9
  • PLSS Details: 1450 feet S and 500 feet W of the NE corner
  • State: Oklahoma
  • County: OK151—Woods
  • MLRA: 78C—Central Rolling Red Plains, Eastern Part
  • Non-MLRA Soil Survey Area: OK151—Woods County, Oklahoma

    • PEDON

  • Describers Name: Richard F. Gelnar and Clay D. Salisbury
  • Current Taxonomic Class: Fine-silty, mixed, thermic Pachic Argiustolls
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - ST. PAUL
  • PSC - 47 to 97 cm.
  • Classificaton Date - 7/16/2007
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - St. Paul
  • Taxonomic Class - Fine-silty, mixed, thermic Pachic Argiustoll
  • Taxon Kind - series
  • Classificaton Date - 6/16/1992
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: plains
  • Landform: fluvial terrace
  • Anthropogenic Feature: leveled land
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 1.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/16/1992 (actual site observation date)
  • Air Photo ID: 24
  • Microrelief Elevation: 0
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ANHA

    PAVI2

    SCSC

    SONU2

    Andropogon hallii

    Panicum virgatum

    Schizachyrium scoparium

    Sorghastrum nutans

    sand bluestem

    switchgrass

    little bluestem

    Indiangrass

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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

    mollic epipedon

    argillic horizon

    0—70

    47—150

    —-

    —-
    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

    —

    —

    —

    —

    180

    600

    —

    —

    16

    28

    4

    —

    —

    —

    —

    —

    193

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); brown (7.5YR 4/2) crushed, dark brown (7.5YR 3/2) crushed, moist; silt loam; weak medium and coarse granular structure; soft, very friable; 10.0 very fine and fine roots throughout and 3.0 medium roots throughout; 10.0 very fine and fine low-continuity discontinuous tubular pores; 10 percent medium irregular worm casts; fragments; clear smooth boundary. Lab sample # 93P02993
    A—20 to 29 centimeters (7.9 to 11.4 inches); brown (7.5YR 4/2) crushed, dark brown (7.5YR 3/2) crushed, moist; silt loam; weak fine subangular blocky, and weak medium granular structure; soft, very friable; 10.0 very fine and fine roots throughout and 3.0 medium roots throughout; 10.0 very fine and fine low-continuity discontinuous tubular and 0.5 medium low-continuity discontinuous tubular pores; 10 percent medium irregular worm casts; fragments; clear smooth boundary. Lab sample # 93P02994
    BA—29 to 47 centimeters (11.4 to 18.5 inches); 7.5YR (7.5YR/), crushed, dark brown (7.5YR 3/2) crushed, moist; silt loam; weak medium prismatic, and weak medium subangular blocky structure; slightly hard, very friable; 3.0 very fine and fine roots throughout and 0.5 medium roots throughout; 10.0 very fine and fine low-continuity discontinuous tubular and 0.5 medium low-continuity discontinuous tubular pores; 10 percent medium irregular worm casts; fragments; clear smooth boundary. Lab sample # 93P02995
    Bt1—47 to 70 centimeters (18.5 to 27.6 inches); 7.5YR (7.5YR/), interior, dark brown (7.5YR 3/3) interior, moist; silty clay loam; strong medium prismatic, and strong medium subangular blocky structure; very hard, firm; 3.0 very fine and fine roots throughout and 0.5 medium roots throughout; 3.0 very fine low-continuity discontinuous tubular pores; 55 percent prominent clay films on faces of peds and in pores; fragments; clear wavy boundary. Lab sample # 93P02996. continuous - phpvsfiid 175811; continuous - phpvsfiid 175811
    Btk1—70 to 110 centimeters (27.6 to 43.3 inches); 7.5YR (7.5YR/), interior, brown (7.5YR 4/3) interior, moist; silty clay loam; moderate coarse prismatic, and moderate coarse subangular blocky structure; very hard, firm; 0.5 very fine and fine roots throughout; 10.0 very fine and fine low-continuity discontinuous tubular pores; 55 percent distinct clay films on faces of peds and in pores; 10 percent fine and medium irregular carbonate concretions and 10 percent fine and medium irregular lime masses; fragments; violent effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 93P02997. discontinuous - phpvsfiid 175812; discontinuous - phpvsfiid 175812
    Btk2—110 to 150 centimeters (43.3 to 59.1 inches); 7.5YR (7.5YR/), interior, brown (7.5YR 4/4) interior, moist; silty clay loam; weak coarse prismatic, and weak coarse subangular blocky structure; hard, firm; 0.5 very fine and fine roots throughout; 10.0 very fine and fine low-continuity discontinuous tubular pores; 37 percent distinct clay films on faces of peds and in pores and 37 percent faint carbonate coats on faces of peds and in pores; 1 percent fine irregular lime masses and 1 percent fine irregular carbonate concretions; fragments; violent effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 93P02998. discontinuous - phpvsfiid 175813; discontinuous - phpvsfiid 175814; discontinuous - phpvsfiid 175813; discontinuous - phpvsfiid 175814
    2C—150 to 183 centimeters (59.1 to 72.0 inches); 2.5YR (2.5YR/), interior, reddish brown (2.5YR 4/4) interior, moist; clay; massive; extremely hard, extremely firm*; 0.5 very fine roots in cracks; 1 percent fine irregular lime masses and 1 percent fine irregular carbonate concretions and 1 percent fine irregular gypsum crystals, unspecified; fragments; violent effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 93P02999
    2Cr—183 to 200 centimeters (72.0 to 78.7 inches); 2.5YR (2.5YR/), interior, 80 percent dark reddish brown (2.5YR 3/4) interior and 20 percent greenish gray (5G 6/1) interior, moist; weathered bedrock; extremely hard, extremely firm*; fragments; slight effervescence, by hcl, 1n. Lab sample # 93P03000