IDENTIFIERS

  • Current Taxon Name (Soil Name): Wolco
  • OSD
  • Series Extent
  • User Site ID: S2004OK117003
  • User Pedon ID: S2004OK117003
  • Vegetation Plot ID: S2004OK117003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0388
  • NCSS Pedon Lab Data NASIS Record ID - 17110
  • Print Date: 11/23/2024
  • 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: 36.1989174
  • Std. Longitude: -96.7520523
  • Datum: WGS84
  • Township: 20N
  • Range: 5E
  • Section: 22
  • PLSS Details: about 1350 feet S and 1050 feet W of the NE corner
  • Country: US—United States
  • State: Oklahoma
  • County: OK117—Pawnee
  • MLRA: 76—Bluestem Hills
  • Non-MLRA Soil Survey Area: OK117—Pawnee County, Oklahoma
  • PEDON

  • Describers Name: Scott, Boyett
  • Current Taxonomic Class: Fine, mixed, active, thermic Pachic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Wolco
  • Classificaton Date - 6/15/2007
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Dwight like
  • Classificaton Date - 9/9/2004
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: clayey residuum weathered from shale
  • Landscape: hills
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: indurated limestone, unspecified at 160cm
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/9/2004 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ANGE

    ANTE2

    ARIST

    BOLAT

    DIOLS

    ELCA4

    ERSP

    ERSP

    PAVI2

    SONU2

    SPCOC2

    SPCOC2

    TRST2

    Andropogon gerardii

    Andropogon ternarius

    Aristida

    Bothriochloa laguroides ssp. torreyana

    Dichanthelium oligosanthes var. scribnerianum

    Elymus canadensis

    Eragrostis spectabilis

    Eragrostis spectabilis

    Panicum virgatum

    Sorghastrum nutans

    Sporobolus compositus var. compositus

    Sporobolus compositus var. compositus

    Tridens strictus

    big bluestem

    splitbeard bluestem

    threeawn

    silver beardgrass

    Scribner's rosette grass

    Canada wildrye

    purple lovegrass

    purple lovegrass

    switchgrass

    Indiangrass

    composite dropseed

    composite dropseed

    longspike tridens

    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    indurated

    142 -

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

    natric horizon

    12—38

    —-

    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

    A—0 to 12 centimeters (0.0 to 4.7 inches); dark grayish brown (10YR 4/2) crushed, very dark grayish brown (10YR 3/2) crushed, moist; silty clay loam; strong fine subangular blocky parts to strong fine granular structure; very hard, firm; 10.0 very fine roots throughout and 2.0 fine roots throughout; 5.0 very fine dendritic tubular pores; fragments; noneffervescent, by hcl, unspecified; moderately acid, pH 5.8, hellige-truog; clear smooth boundary.; observed in push tube
    Btn—12 to 38 centimeters (4.7 to 15.0 inches); dark grayish brown (10YR 4/2) crushed, very dark grayish brown (10YR 3/2) crushed, moist; silty clay; strong fine columnar parts to strong fine subangular blocky structure; very hard, very firm; 5.0 very fine roots throughout; 3.0 very fine dendritic tubular pores; 90 percent prominent very dark brown (10YR 2/2), moist, organic stains on all faces of peds; 1 percent fine prominent spherical iron-manganese masses in matrix; fragments; noneffervescent, by hcl, unspecified; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 05N02164; observed in push tube. continuous - phpvsfiid 278764; continuous - phpvsfiid 278764
    Bt1—38 to 61 centimeters (15.0 to 24.0 inches); grayish brown (2.5Y 5/2) broken face, dark grayish brown (2.5Y 4/2) broken face, moist; silty clay; moderate medium subangular blocky structure; very hard, very firm; 3.0 very fine roots throughout; 6.0 very fine dendritic tubular pores; 50 percent distinct clay films on all faces of peds; fragments; noneffervescent, by hcl, unspecified; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary.; observed in push tube. cracks filled with surface material
    Bt2—61 to 81 centimeters (24.0 to 31.9 inches); light yellowish brown (2.5Y 6/3) broken face, light olive brown (2.5Y 5/3) broken face, moist; silty clay; moderate medium subangular blocky structure; very hard, very firm; 2.0 very fine roots throughout; 5.0 very fine dendritic tubular pores; 80 percent distinct clay films on all faces of peds; fine prominent spherical dark reddish brown (5YR 3/4) iron-manganese masses with sharp boundaries in matrix; 1 percent fine prominent gypsum crystal clusters in matrix and 1 percent fine prominent carbonate nodules at top of horizon and 1 percent very fine prominent spherical carbonate masses at top of horizon; 1 percent by volume flat well rounded moderately coherent cemented 2-3-10 millimeter siltstone, unspecified fragments; noneffervescent, by hcl, unspecified; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary.; observed in push tube. Less than 1 percent siltstone pebbles in matrix. May have come from shale parent material.; cracks filled with surface material
    Btk—81 to 95 centimeters (31.9 to 37.4 inches); light yellowish brown (2.5Y 6/3) broken face, light olive brown (2.5Y 5/3) broken face, moist; silty clay loam; moderate very fine subangular blocky structure; hard, firm; 3.0 very fine roots throughout; 3.0 very fine dendritic tubular pores; 30 percent distinct clay films on all faces of peds; fine prominent spherical dark reddish brown (5YR 3/4) iron-manganese masses with sharp boundaries in matrix; 1 percent fine prominent carbonate nodules at top of horizon and 1 percent fine prominent gypsum crystal clusters in matrix and 1 percent very fine prominent spherical carbonate masses at top of horizon; fragments; noneffervescent, by hcl, unspecified; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary.; observed in push tube. cracks filled with surface material; Less than 1 percent siltstone pebbles in matrix. May have come from shale parent material.
    CBk—95 to 110 centimeters (37.4 to 43.3 inches); light yellowish brown (2.5Y 6/3) broken face, light olive brown (2.5Y 5/3) broken face, moist; extremely paragravelly silty clay loam; weak fine subangular blocky structure; hard, firm; 1.0 very fine roots in cracks; 0.5 very fine dendritic tubular pores; 95 percent prominent clay films on all faces of peds; 5 percent medium prominent spherical noncoherent cemented white (10YR 8/1), dry, carbonate masses with clear boundaries at top of horizon and 2 percent medium prominent spherical strongly coherent cemented white (10YR 8/1), dry, carbonate nodules with sharp boundaries at top of horizon; 80 percent by volume nonflat angular weakly coherent cemented 5-10-20 millimeter shale, unspecified fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary.; observed in push tube. continuous - phpvsfiid 278768; continuous - phpvsfiid 278768
    Cd—110 to 160 centimeters (43.3 to 63.0 inches); light gray (2.5Y 7/2) broken face, light brownish gray (2.5Y 6/2) broken face, moist; fragments; abrupt smooth boundary.; observed in push tube
    R—160 centimeters (63.0 inches); fragments.; observed in push tube