IDENTIFIERS

Current Taxon Name (Soil Name): Parsons

OSD

Series Extent

User Site ID: S2012OK147002

User Pedon ID: S2012OK147002

User Site Association ID: MLRA 112 - Natric Project

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 13N0449

NCSS Pedon Lab Data NASIS Record ID - 72987

Print Date: 3/2/2025

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: 36.8727917

Std. Longitude: -95.8569222

Datum: WGS84

Location Description: S 31, T 28N, R 14E

Map Unit: PaA—Parsons silt loam, 0 to 1 percent slopes

State: Oklahoma

County: OK147—Washington

MLRA: 112—Cherokee Prairies

Non-MLRA Soil Survey Area: OK147—Washington County, Oklahoma

7.5 Minute USGS Quad: 36095-G7—Blue Mound, Oklahoma

PEDON

Describers Name: G. Campbell, JR Perkins

Current Taxonomic Class: Fine, mixed, active, thermic Mollic Albaqualfs

Current Taxon Kind: series

Pedon Type: TUD pedon

Pedon Purpose: soil survey inventory

Pedon Record Orgin: NASIS

Sampled As Information:

Soil Name - Parsons

Taxonomic Class - Fine, mixed, active, thermic Mollic Albaqualfs

Taxon Kind - series

PSC - 35 to 85 cm.

Classificaton Date - 8/30/2012

Soil Taxonomic Edition - eleventh edition

Moisture Class - udic

Moisture SUBClass - aquic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: silty loess over clayey residuum weathered from shale

Landscape: plains

Landform: paleoterrace

Hill Slope Profile: summit

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: linear

Drainage Class: somewhat poorly

Geology: Kansas City Group formation of the Pennsylvanian group.

Surface Fragments:

Benchmark Soil?: yes

VEGETATION

SITE OBSERVATION

Observation Date: 7/9/2012 (actual site observation date)

Data Collector: G. Campbell, JR Perkins

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

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon redox concentrations reduced matrix gypsum accumulations	0—35 35—193 35—218 107—218 107—218	—- —- —- —- —-

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
1.5	—	—	246.9	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2) silt loam; moderate medium granular structure; friable; common (3.0) fine roots throughout; common (3.0) fine interstitial pores; fragments; clear smooth boundary. Lab sample # 13N01895

BE—18 to 35 centimeters (7.1 to 13.8 inches); 80 percent very dark grayish brown (10YR 3/2) and 20 percent dark grayish brown (10YR 4/2) silty clay loam; moderate medium subangular blocky structure; firm; common (3.0) fine roots throughout; common (3.0) fine tubular pores; 10 percent distinct light gray (10YR 7/2) silt coats on surfaces along root channels; fragments; clear smooth boundary. Lab sample # 13N01896

Bt1—35 to 68 centimeters (13.8 to 26.8 inches); very dark gray (10YR 3/1) silty clay; moderate medium prismatic parts to moderate medium subangular blocky structure; very firm; common (3.0) fine roots throughout; common (3.0) fine tubular pores; 30 percent distinct very dark grayish brown (10YR 3/2) clay films on vertical faces of peds; 1 percent fine prominent dark yellowish brown (10YR 4/4) masses of oxidized iron; fragments; gradual smooth boundary. Lab sample # 13N01897

Bt2—68 to 107 centimeters (26.8 to 42.1 inches); very dark gray (10YR 3/1) silty clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; very firm; few (0.5) fine roots throughout; common (3.0) fine tubular pores; 30 percent distinct very dark grayish brown (10YR 3/2) clay films on vertical faces of peds; 10 percent fine prominent strong brown (7.5YR 5/6) masses of oxidized iron; fragments; clear smooth boundary. Lab sample # 13N01898

Btg1—107 to 154 centimeters (42.1 to 60.6 inches); gray (2.5Y 6/1) silty clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; very firm; few (0.5) fine roots throughout; common (3.0) fine tubular pores; 30 percent distinct dark gray (10YR 4/1) clay films on vertical faces of peds; 1 percent fine black (10YR 2/1) iron-manganese concretions and 25 percent coarse prominent strong brown (7.5YR 5/6) masses of oxidized iron; 3 percent fine gypsum crystals, unspecified throughout; fragments; gradual smooth boundary. Lab sample # 13N01899

Btg2—154 to 193 centimeters (60.6 to 76.0 inches); 60 percent gray (2.5Y 6/1) and 40 percent gray (2.5Y 5/1) silty clay; weak coarse prismatic parts to weak medium subangular blocky structure; very firm; few (0.5) very fine roots throughout; few (0.5) fine tubular pores; 30 percent distinct dark gray (10YR 4/1) clay films on vertical faces of peds; 1 percent fine black (10YR 2/1) iron-manganese concretions and 25 percent coarse prominent yellowish brown (10YR 5/6) masses of oxidized iron; 2 percent fine gypsum crystals, unspecified throughout; fragments; gradual smooth boundary. Lab sample # 13N01900

BCg—193 to 218 centimeters (76.0 to 85.8 inches); gray (2.5Y 6/1) silty clay; weak medium subangular blocky structure; very firm; few (0.5) fine tubular pores; 5 percent fine black (10YR 2/1) iron-manganese concretions and 25 percent coarse prominent yellowish brown (10YR 5/6) masses of oxidized iron; 1 percent fine gypsum crystals, unspecified throughout; fragments. Lab sample # 13N01901