IDENTIFIERS

Current Taxon Name (Soil Name): Pharoah

OSD

Series Extent

User Site ID: S2012OK035001

User Pedon ID: S2012OK035001

User Site Association ID: MLRA 112 - Natric Project

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 13N0439

NCSS Pedon Lab Data NASIS Record ID - 73187

Print Date: 2/16/2025

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: 36.8586528

Std. Longitude: -95.1248333

Datum: WGS84

Location Description: S 1, T 27N, R 20E

Map Unit: Ca—Pharoah silt loam, 0 to 1 percent slopes

State: Oklahoma

County: OK035—Craig

MLRA: 112—Cherokee Prairies

Non-MLRA Soil Survey Area: OK035—Craig County, Oklahoma

7.5 Minute USGS Quad: 36095-G1—Welch South, 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 - Pharoah

Taxonomic Class - Fine, mixed, superactive, thermic Vertic Argiaquolls

Taxon Kind - series

PSC - 18 to 68 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: clayey residuum weathered from shale

Landscape: plains

Landform: hillslope

Hill Slope Profile: footslope

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: linear

Drainage Class: somewhat poorly

Geology: Cherokee Group formation of the Pennsylvanian group.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 7/10/2012 (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 - pastureland, tame

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
mollic epipedon argillic horizon redox concentrations reduced matrix gypsum accumulations	0—64 18—138 48—175 64—175 64—175	—- —- —- —- —-

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
2	—	—	243.8	—	220	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2) silt loam; moderate medium platy, and weak fine subangular blocky structure; friable; common (3.0) fine roots throughout; many (10.0) fine interstitial pores; fragments; clear smooth boundary. Lab sample # 13N01823

Bt1—18 to 48 centimeters (7.1 to 18.9 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 clay films on vertical faces of peds; fragments; gradual wavy boundary. Lab sample # 13N01824

Bt2—48 to 64 centimeters (18.9 to 25.2 inches); very dark grayish brown (10YR 3/2) silty clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; very firm; common (3.0) very 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 yellowish brown (10YR 5/4) masses of oxidized iron; fragments; clear smooth boundary. Lab sample # 13N01825

Btg1—64 to 82 centimeters (25.2 to 32.3 inches); dark grayish brown (2.5Y 4/2) silty clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; very firm; common (2.0) very fine roots throughout; common (3.0) fine tubular pores; 30 percent distinct gray (10YR 5/1) clay films on vertical faces of peds; 25 percent fine prominent yellowish brown (10YR 5/6) masses of oxidized iron; 10 percent fine gypsum crystals, unspecified throughout; fragments; gradual smooth boundary.

Btg2—82 to 111 centimeters (32.3 to 43.7 inches); 60 percent dark grayish brown (2.5Y 4/2) silty clay; moderate medium prismatic parts to moderate 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; 25 percent medium prominent strong brown (7.5YR 5/6) masses of oxidized iron; 5 percent fine gypsum crystals, unspecified throughout; fragments; gradual smooth boundary.

Btg3—111 to 138 centimeters (43.7 to 54.3 inches); silty clay; weak medium 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; 5 percent fine black (10YR 2/1) iron-manganese masses 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.

BCg—138 to 175 centimeters (54.3 to 68.9 inches); 60 percent gray (10YR 6/1) and 40 percent gray (10YR 5/1) silty clay loam; weak medium subangular blocky parts to weak medium subangular blocky structure; very firm; few (0.5) fine tubular pores; 1 percent fine black (10YR 2/1) iron-manganese concretions and 15 percent coarse prominent yellowish brown (10YR 5/6) masses of oxidized iron; fragments. Lab sample # 13N01829