IDENTIFIERS

Current Taxon Name (Soil Name): Pawhuska

OSD

Series Extent

User Site ID: S1993OK109004

User Pedon ID: S1993OK109004

Vegetation Plot ID: S1993OK109004

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - KSSL

Lab Pedon # - 94P0091

NCSS Pedon Lab Data NASIS Record ID - 66279

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: 35.3977776

Std. Longitude: -97.5822220

Datum: WGS84

Township: 11N

Range: 4W

Section: 25

PLSS Details: About 2250 feet north and 120 feet east from the southeast corner

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-E6—Bethany, Oklahoma

PEDON

Describers Name: Bob G. Bourlier

Current Taxonomic Class: Fine, mixed, superactive, thermic Mollic Natrustalfs

Current Taxon Kind: series

Pedon Type: TUD pedon

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 4

Correlated Information:

Soil Name - Pawhuska

PSC - 18 to 68 cm.

Classificaton Date - 5/10/2016

Classifier - Jerry Weinheimer

Soil Taxonomic Edition - twelfth edition

Moisture Class - ustic

Moisture Subclass - ustic

Sampled As Information:

Soil Name - Pawhuska

Taxonomic Class - Fine, mixed, superactive, thermic Mollic Natrustalfs

Taxon Kind - series

PSC - 18 to 69 cm.

Classificaton Date - 9/8/1993

Moisture Class - ustic

Moisture SUBClass - ustic

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

Certification Status: certified

QC Status: level 1

QA Status: level 1

SITE

Parent Material: alluvium derived from sedimentary rock

Landscape: alluvial plain

Landform: terrace

Anthropogenic Feature: leveled land

Geomorphic Component Hills: interfluve

Hill Slope Profile: summit

Slope Position: middle third

Slope Shape Across: linear

Slope Shape Down: linear

Runoff: low

Drainage Class: moderately well

Wet Soil Moisture Duration: 30

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/8/1993 (actual site observation date)

Air Photo ID: 24-SW

Plant Association Name: Slickspot 080AY091OK

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
ANGE BOCU BOSA LIPU PASC5 PAVI2 SCSC SONU2 SPAS SPCOC2	Andropogon gerardii Bouteloua curtipendula Bothriochloa saccharoides Liatris punctata Panicum scribnerianum Panicum virgatum Schizachyrium scoparium Sorghastrum nutans Sporobolus asper Sporobolus compositus var. compositus	big bluestem sideoats grama silver bluestem dotted blazing star — switchgrass little bluestem Indiangrass — composite dropseed	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
natric horizon secondary carbonates	18—284 61—91	—- —-

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	152	30.5	388	—	45	864	—	—	15.6	26.7	3.9	16.7	27.8	5	—	—	72357	National Severe Storms Laboratory, Norman, OK	Official U. S.

A—0 to 18 centimeters (0.0 to 7.1 inches); grayish brown (10YR 5/2) crushed, very dark grayish brown (10YR 3/2) crushed, moist; silt loam; 20 percent sand; 68 percent silt; 13 percent clay; moderate fine platy parts to moderate very fine granular structure; slightly hard, friable, weak, noncoherent, slightly sticky, slightly plastic; medium toughness; moderate permeability; 8.0 very fine roots throughout and 1.0 medium roots throughout and 3.0 fine roots throughout; 6.0 very fine low-continuity vesicular pores; fragments; noneffervescent, by hcl, 1n; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 94P00686; moist when described;

Btn1—18 to 36 centimeters (7.1 to 14.2 inches); dark grayish brown (10YR 4/2) crushed, very dark grayish brown (10YR 3/2) crushed, moist; silty clay; 10 percent sand; 48 percent silt; 42 percent clay; moderate medium columnar parts to moderate medium angular blocky structure; extremely hard, extremely firm*, noncoherent, very sticky, very plastic; high toughness; very slow permeability; 8.0 very fine roots between peds and 1.0 fine and medium roots throughout; 4.0 very fine and fine moderate-continuity tubular pores; 2 percent distinct dark grayish brown (10YR 4/2), moist, clay films on faces of peds and 10 percent distinct very dark brown (10YR 2/2), moist, black stains on vertical faces of peds and 10 percent distinct grayish brown (10YR 5/2), moist, silt coats on tops of soil columns; fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.8, hellige-truog; clear smooth boundary. Lab sample # 94P00687; moist when described;. discontinuous - phpvsfiid 1231852; continuous - phpvsfiid 1231854; discontinuous - phpvsfiid 1231853; discontinuous - phpvsfiid 1231852; continuous - phpvsfiid 1231854; discontinuous - phpvsfiid 1231853

Btn2—36 to 61 centimeters (14.2 to 24.0 inches); grayish brown (10YR 5/2) crushed, dark grayish brown (10YR 4/2) crushed, moist; silty clay; 9 percent sand; 50 percent silt; 41 percent clay; moderate medium prismatic parts to moderate medium angular blocky structure; extremely hard, extremely firm*, noncoherent, very sticky, very plastic; high toughness; very slow permeability; 6.0 very fine roots throughout; 3.0 very fine moderate-continuity tubular pores; 2 percent distinct dark grayish brown (10YR 4/2), moist, clay films on faces of peds; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary. Lab sample # 94P00688; moist when described;. continuous - phpvsfiid 1231855; continuous - phpvsfiid 1231855

Btkn3—61 to 91 centimeters (24.0 to 35.8 inches); grayish brown (10YR 5/2) crushed, dark grayish brown (10YR 4/2) crushed, moist; silty clay loam; 13 percent sand; 50 percent silt; 36 percent clay; weak coarse prismatic parts to weak medium angular blocky structure; extremely hard, extremely firm*, noncoherent, very sticky, very plastic; high toughness; very slow permeability; 3.0 very fine roots throughout; 3.0 very fine moderate-continuity tubular pores; 2 percent distinct dark grayish brown (10YR 4/2), moist, clay films on faces of peds; 1 percent fine and medium spherical weakly coherent cemented black (10YR 2/1) iron-manganese concretions throughout; 25 percent medium and coarse irregular weakly coherent cemented very pale brown (10YR 8/2) carbonate concretions throughout and 3 percent medium and coarse irregular noncoherent cemented very pale brown (10YR 8/2) carbonate masses throughout; , 1 percent by weight nonflat subrounded very strongly coherent cemented 2-5-75 millimeter sandstone, unspecified fragments observed by weighed method; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 94P00689; moist when described;. continuous - phpvsfiid 1231856; continuous - phpvsfiid 1231856

Btkn4—91 to 117 centimeters (35.8 to 46.1 inches); pale brown (10YR 6/3) crushed, brown (10YR 5/3) crushed, moist; silty clay loam; 16 percent sand; 49 percent silt; 35 percent clay; 1 percent strong brown (7.5YR 4/6) fine faint irregular mottles; weak coarse prismatic parts to weak coarse angular blocky structure; extremely hard, extremely firm*, noncoherent, very sticky, very plastic; high toughness; very slow permeability; 1.0 very fine roots throughout; 2.0 very fine moderate-continuity tubular pores; 2 percent distinct dark grayish brown (10YR 4/2), moist, clay films on faces of peds; 1 percent fine spherical weakly coherent cemented black (10YR 2/1) iron-manganese concretions throughout; 3 percent medium and coarse irregular weakly coherent cemented very pale brown (10YR 8/2) carbonate concretions throughout and 4 percent medium and coarse irregular noncoherent cemented white (10YR 8/1) salt masses throughout and 2 percent medium and coarse irregular noncoherent cemented very pale brown (10YR 8/2) carbonate masses throughout; , 2 percent by weight nonflat subrounded very strongly coherent cemented 2-5-75 millimeter sandstone, unspecified fragments observed by weighed method; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 94P00690; moist when described;. continuous - phpvsfiid 1231857; continuous - phpvsfiid 1231857

Btn5—117 to 160 centimeters (46.1 to 63.0 inches); light brown (7.5YR 6/4) crushed, brown (7.5YR 5/4) crushed, moist; silty clay loam; 17 percent sand; 47 percent silt; 36 percent clay; brown (10YR 5/3) and strong brown (7.5YR 5/6) and 50 percent pale brown (10YR 6/3) coarse distinct irregular and 50 percent reddish yellow (7.5YR 6/6) coarse distinct irregular mottles; weak coarse prismatic parts to weak coarse angular blocky structure; extremely hard, extremely firm*, noncoherent, very sticky, very plastic; high toughness; very slow permeability; 1.0 very fine roots throughout; 1.0 very fine moderate-continuity tubular pores; 2 percent distinct dark grayish brown (10YR 4/2), moist, clay films on faces of peds; 1 percent fine spherical weakly coherent cemented black (10YR 2/1) iron-manganese concretions throughout; 1 percent medium and coarse irregular weakly coherent cemented very pale brown (10YR 8/2) carbonate concretions throughout and 3 percent medium and coarse irregular noncoherent cemented white (10YR 8/1) salt masses throughout and 1 percent medium and coarse irregular noncoherent cemented very pale brown (10YR 8/2) carbonate masses throughout; , 3 percent by weight nonflat subrounded very strongly coherent cemented 2-5-75 millimeter sandstone, unspecified fragments observed by weighed method; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 94P00691; moist when described;. patchy - phpvsfiid 1231858; patchy - phpvsfiid 1231858

Btn6—160 to 206 centimeters (63.0 to 81.1 inches); reddish yellow (7.5YR 6/6) crushed, strong brown (7.5YR 5/6) crushed, moist; silty clay loam; 17 percent sand; 45 percent silt; 38 percent clay; brown (10YR 5/3) and strong brown (7.5YR 4/6) and yellowish red (5YR 4/6) and 33 percent yellowish red (5YR 5/6) coarse distinct irregular and 33 percent strong brown (7.5YR 5/6) coarse distinct irregular and 33 percent pale brown (10YR 6/3) coarse distinct irregular mottles; weak coarse angular blocky structure; extremely hard, extremely firm*, noncoherent, very sticky, very plastic; high toughness; slow permeability; 1.0 very fine low-continuity tubular pores; 2 percent faint dark grayish brown (10YR 4/2), moist, clay films on faces of peds; 1 percent fine spherical weakly coherent cemented black (10YR 2/1) iron-manganese concretions throughout; 1 percent fine spherical noncoherent cemented white (10YR 8/1) carbonate masses throughout; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 94P00692; moist when described;. patchy - phpvsfiid 1231859; patchy - phpvsfiid 1231859

Bt—206 to 284 centimeters (81.1 to 111.8 inches); reddish yellow (7.5YR 6/6) crushed, strong brown (7.5YR 5/6) crushed, moist; clay loam; 20 percent sand; 46 percent silt; 34 percent clay; yellowish red (5YR 5/6) and pale brown (10YR 6/3) and 50 percent reddish yellow (5YR 6/6) coarse distinct irregular and 50 percent very pale brown (10YR 7/3) coarse distinct irregular mottles; weak coarse subangular blocky structure; very hard, very firm, noncoherent, moderately sticky, moderately plastic; medium toughness; slow permeability; 2 percent faint dark grayish brown (10YR 4/2), moist, clay films on faces of peds; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 94P00693; moist when described;. patchy - phpvsfiid 1231860; patchy - phpvsfiid 1231860