IDENTIFIERS

Current Taxon Name (Soil Name): Bigheart

OSD

Series Extent

User Site ID: S2008OK037004

User Pedon ID: BSPSA-2008-OK037-04

Vegetation Plot ID: BSPSA-2008-OK037-04

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - KSSL

Lab Pedon # - 08N0537

NCSS Pedon Lab Data NASIS Record ID - 20085

Print Date: 2/3/2025

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: 35.6698761

Std. Longitude: -96.5426559

Datum: WGS84

Township: 14N

Range: 7E

Section: 23

Map Unit: NBRE—Niotaze-Bigheart-Rock outcrop complex, 3 to 15 percent slopes, very stony

Country: US—United States

State: Oklahoma

County: OK037—Creek

MLRA: 84A—North Cross Timbers

Regional Office: SC—South Central

MLRA Soil Survey Area: SC-STW—Stillwater, Oklahoma

7.5 Minute USGS Quad: 35096-F5—Ritts Junction, Oklahoma

PEDON

Describers Name: Jake Boyett

Current Taxonomic Class: Loamy, siliceous, active, thermic Lithic Eutrudepts

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: soil survey inventory

Correlated Information:

Soil Name - Bigheart

PSC - 0 to 40 cm.

Classificaton Date - 5/31/2016

Classifier - Jerry Weinheimer

Soil Taxonomic Edition - twelfth edition

Moisture Class - udic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Bigheart

Classificaton Date - 2/19/2008

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 sandstone

Landscape: hills

Landform: low hillslope

Hill Slope Profile: shoulder

Slope Complexity: complex

Slope Shape Across: convex

Slope Shape Down: convex

Flooding: none flooding

Ponding: none ponding

Bedrock: moderately coherent sandstone, unspecified at 40cm

Geology: Vamoosa Group Or Formation formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 2/19/2008 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - rangeland, savanna

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
QUMA3 QUST	Quercus marilandica Quercus stellata	blackjack oak post oak	— —	— —	— —

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, lithic	strongly coherent	40 - 70	- 30 -

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
— ochric epipedon cambic horizon lithic contact	— 0—10 10—40 40—70	—- —10— —30— —30—

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
3	—	—	261	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 10 centimeters (0.0 to 3.9 inches); brown (7.5YR 4/3) very fine sandy loam; 60 percent sand; 35 percent silt; 5 percent clay; weak medium subangular blocky structure; fragments; noneffervescent, by hcl, 1n; clear wavy boundary.; wet, non-satiated when described; observed in pit, small

Bw—10 to 40 centimeters (3.9 to 15.7 inches); reddish brown (5YR 5/4) very fine sandy loam; 72 percent sand; 23 percent silt; 5 percent clay; weak medium subangular blocky structure; fragments; noneffervescent, by hcl, 1n; abrupt wavy boundary.; wet, satiated when described; observed in pit, small. In the Stillwater Soil Survey lab, using the Hach Soil and water Analysis kit. BS%=49

R—40 to 70 centimeters (15.7 to 27.6 inches); bedrock; fragments.