IDENTIFIERS

Current Taxon Name (Soil Name): Carnasaw

OSD

Series Extent

User Site ID: S1992OK079001

User Pedon ID: 92OK079001

Vegetation Plot ID: S1992OK079001

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 93P0389

NCSS Pedon Lab Data NASIS Record ID - 65732

Print Date: 11/21/2024

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: 34.7555542

Std. Longitude: -94.5355530

Datum: WGS84

Township: 4N

Range: 25E

Section: 31

PLSS Details: 880 feet N and 750 feet W of the SE corner

Location Description: LeFlore County, OK.

State: Oklahoma

County: OK079—Le Flore

MLRA: 119—Ouachita Mountains

Non-MLRA Soil Survey Area: OK079—Le Flore County, Oklahoma

PEDON

Describers Name: Jimmy Ford, Dr. Brian Carter, and Ellis Benham

Current Taxonomic Class: Clayey, mixed, thermic Typic Hapludults

Pedon Type: TUD pedon

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 1

Sampled As Information:

Soil Name - Carnasaw

Taxonomic Class - Clayey, mixed, thermic Typic Hapludults

PSC - 18 to 68 cm.

Classificaton Date - 8/13/1992

Moisture Class - udic

Dynamic Soil Properties:

Erosion Class - 0

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: hills

Landform: hillside

Geomorphic Component Hills: interfluve

Hill Slope Profile: shoulder

Slope Position: upper third

Slope Shape Across: convex

Slope Shape Down: convex

Runoff: high

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Surface Fragments: 1.00 percent

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 8/13/1992 (actual site observation date)

Air Photo ID: 62

Surface Cover Properties:

Site Obs. Cover Kind 1 - tree cover

Site Obs. Cover Kind 2 - other tree 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
LIST2 PIEC2 QUAL	Liquidambar styraciflua Pinus echinata Quercus alba	sweetgum shortleaf pine white oak	— — —	— — —	— — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon albic horizon argillic horizon paralithic contact	0—18 6—18 18—112 148—220	—- —- —- —-

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
7	275	153	305	—		1118	—	—	17	28	7	19	30	9	—	—	7246	—	—

A—0 to 6 centimeters (0.0 to 2.4 inches); brown (10YR 4/3) crushed silt loam; weak fine granular structure; soft, very friable, nonsticky, nonplastic; 20.0 very fine and fine roots throughout and 4.0 medium roots throughout; 8 percent by volume subangular 2-39-75 millimeter sandstone, noncalcareous fragments; abrupt smooth boundary. Lab sample # 93P02898; moist when described;

E—6 to 18 centimeters (2.4 to 7.1 inches); brown (7.5YR 5/4) crushed gravelly silt loam; weak fine granular structure; soft, very friable, nonsticky, nonplastic; 20.0 very fine and fine roots throughout and 4.0 medium roots throughout; 4.0 very fine moderate-continuity tubular pores; 20 percent by volume subangular 2-39-75 millimeter sandstone, noncalcareous fragments; abrupt smooth boundary. Lab sample # 93P02899; moist when described;

Bt1—18 to 41 centimeters (7.1 to 16.1 inches); yellowish red (5YR 5/6) broken face clay; 1 percent reddish yellow (7.5YR 6/6) fine faint mottles; moderate medium prismatic, and moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 1.0 medium roots throughout and 4.0 fine roots throughout; 0.5 fine moderate-continuity tubular pores; 25 percent faint clay films on faces of peds and in pores; 10 percent by volume subangular 2-39-75 millimeter sandstone, noncalcareous fragments; clear wavy boundary. Lab sample # 93P02900; moist when described;. continuous - phpvsfiid 175768; continuous - phpvsfiid 175768

Bt2—41 to 61 centimeters (16.1 to 24.0 inches); yellowish red (5YR 5/6) broken face clay; 15 percent light reddish brown (5YR 6/4) medium distinct mottles; moderate medium prismatic, and moderate medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots throughout and 1.0 medium roots throughout; 0.5 fine moderate-continuity tubular pores; 5 percent distinct pressure faces throughout and 10 percent distinct clay films on vertical faces of peds and 25 percent faint clay films on faces of peds and in pores; 5 percent by volume subangular 2-39-75 millimeter sandstone, noncalcareous fragments; clear wavy boundary. Lab sample # 93P02901; moist when described;. discontinuous - phpvsfiid 175771; continuous - phpvsfiid 175769; continuous - phpvsfiid 175770; discontinuous - phpvsfiid 175771; continuous - phpvsfiid 175769; continuous - phpvsfiid 175770

Btss3—61 to 112 centimeters (24.0 to 44.1 inches); yellowish red (5YR 4/6) broken face clay; 25 percent pinkish gray (5YR 6/2) medium prominent and 25 percent light reddish brown (5YR 6/3) medium prominent mottles; moderate coarse prismatic, and moderate medium subangular blocky structure; extremely hard, very firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots throughout and 1.0 medium roots throughout; 0.5 fine moderate-continuity tubular pores; 10 percent distinct clay films on vertical faces of peds and 25 percent faint clay films on faces of peds and in pores; 5 percent by volume subangular 2-39-75 millimeter sandstone, noncalcareous fragments; gradual smooth boundary. Lab sample # 93P02902; moist when described;. continuous - phpvsfiid 175772; continuous - phpvsfiid 175773; continuous - phpvsfiid 175772; continuous - phpvsfiid 175773

C—112 to 148 centimeters (44.1 to 58.3 inches); light gray (5YR 7/1) broken face clay; 15 percent yellowish red (5YR 4/6) fine prominent and 15 percent yellowish red (5YR 4/6) medium prominent mottles; massive; extremely hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 10 percent by volume subangular 2-39-75 millimeter shale, noncalcareous fragments; clear wavy boundary. Lab sample # 93P02903; moist when described;

Cr—148 to 220 centimeters (58.3 to 86.6 inches); pinkish gray (7.5YR 7/2) broken face weathered bedrock; massive; extremely hard, extremely firm*, moderately sticky, moderately plastic; fragments. Lab sample # 93P02904; moist when described;. thinly bedded shale (1-2cm) tilted 20-30%; highly fractured into 1-2 cm size pieces, but shale fragments fit very tightly together (<.5mm) cracks between; some very coarse weathering fractures (50cm apart) that are filled with gray clay - 2-3 cm wide.