IDENTIFIERS

Current Taxon Name (Soil Name): Cotulla

OSD

Series Extent

User Site ID: S2010TX3111006

User Pedon ID: S2010TX3111006

Vegetation Plot ID: S2010TX3111006

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - KSSL

Lab Pedon # - 10N1327

NCSS Pedon Lab Data NASIS Record ID - 43217

Print Date: 11/24/2024

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: 28.5539722

Std. Longitude: -98.7337028

Datum: WGS84

Location Description: Blackhouse Ranch, Sampling Pit

Map Unit: CuB—Cotulla clay loam, 0 to 3 percent slopes

Country: US—United States

State: Texas

County: TX311—McMullen

MLRA: 83B—Western Rio Grande Plain

Non-MLRA Soil Survey Area: TX311—McMullen County, Texas

7.5 Minute USGS Quad: 28098-E6—Pertle Creek, Texas

PEDON

Describers Name: Jim Akin, Joe Neal, Clark Harshbarger, and Cody Langston

Current Taxonomic Class: Fine, hyperthermic Sodic Gypsiusterts

Current Taxon Kind: taxadjunct

Pedon Type: TUD pedon

Pedon Purpose: full pedon description

Pedon Record Orgin: PedonPC

Correlated Information:

Soil Name - Cotulla

PSC - 25 to 100 cm.

Classificaton Date - 1/2/2014

Classifier - Clark Harshbarger

Soil Taxonomic Edition - eleventh edition

Moisture Subclass - aridic (torric)

Sampled As Information:

Soil Name - Cotulla

Classificaton Date - 1/26/2010

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

Certification Status: certified

SITE

Parent Material: calcareous clayey fluviomarine deposits derived from mudstone

Landscape: inland, dissected coastal plain

Landform: interfluve

Geomorphic Component Hills: nose slope

Hill Slope Profile: shoulder

Slope Position: middle third

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: convex

Runoff: low

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Geology: Yegua formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
Ecological Site ID	Ecological Site Name	Correlation Data	Classifier
R083BY015TX	Saline Clay

SITE OBSERVATION

Observation Date: 1/26/2010 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - shrub cover

Site Obs. Cover Kind 2 - native shrubs

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Current Weather - overcast

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
OPUNT PROSO	Opuntia Prosopis	pricklypear mesquite	— —	— —	— —

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, densic	noncoherent	181 - 200	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon slickensides salt accumulations gypsic horizon densic materials	0—10 10—152 82—200 82—152 181—200	—- —- —- —70— —-

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	—	—	109	—	165	—	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; clay loam; moderate fine subangular blocky structure; moderately hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots throughout and 2.0 fine roots throughout; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.5; clear smooth boundary. Lab sample # 10N06367; moderately moist when described; observed in pit, large or quarry

Bnss—10 to 32 centimeters (3.9 to 12.6 inches); dark gray (10YR 4/1), dark grayish brown (10YR 4/2), moist; clay; moderate fine wedge structure; hard, firm, very sticky, very plastic; 2.0 very fine roots throughout and 2.0 fine roots throughout; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0; gradual wavy boundary. Lab sample # 10N06368; moderately moist when described; observed in pit, large or quarry

Bknss—32 to 82 centimeters (12.6 to 32.3 inches); grayish brown (10YR 5/2), dark gray (10YR 4/1), moist; clay; moderate medium wedge structure; very hard, firm, very sticky, very plastic; 1.0 very fine roots throughout and 2.0 fine roots throughout; 1 percent fine distinct irregular noncoherent cemented pale yellow (2.5Y 8/2), moist, carbonate masses with diffuse boundaries in matrix; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0; clear wavy boundary. Lab sample # 10N06369; moderately moist when described; observed in pit, large or quarry

Bnssyz1—82 to 111 centimeters (32.3 to 43.7 inches); very pale brown (10YR 7/4), very pale brown (10YR 7/4), moist; clay; moderate medium wedge structure; very hard, firm, moderately sticky, very plastic; 1.0 very fine roots throughout; 10 percent distinct pressure faces on all faces of peds; 3 percent coarse distinct irregular white (2.5Y 8/1), moist, salt masses with sharp boundaries in matrix and 1 percent fine distinct platy pale yellow (2.5Y 8/2), moist, gypsum crystals, unspecified with sharp boundaries in matrix and 8 percent fine distinct irregular white (2.5Y 8/1) salt masses with clear boundaries in matrix and 2 percent medium distinct irregular white (2.5Y 8/1), moist, salt masses with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # 10N06370; moderately dry when described; observed in pit, large or quarry. discontinuous - phpvsfiid 527332; discontinuous - phpvsfiid 527332

Bnssyz2—111 to 152 centimeters (43.7 to 59.8 inches); very pale brown (10YR 7/3), very pale brown (10YR 7/3), moist; clay loam; moderate coarse wedge structure; very hard, very firm, very sticky, very plastic; 0.5 very fine roots throughout; 15 percent distinct pressure faces on all faces of peds; 30 percent coarse distinct irregular white (2.5Y 8/1), moist, salt masses in matrix and 5 percent fine faint platy light gray (2.5Y 7/2), moist, gypsum crystals, unspecified in matrix; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # 10N06371; moderately moist when described; observed in pit, large or quarry. continuous - phpvsfiid 527333; continuous - phpvsfiid 527333

BCyz—152 to 181 centimeters (59.8 to 71.3 inches); pale yellow (2.5Y 7/3), light yellowish brown (2.5Y 6/3), moist; clay; moderate coarse subangular blocky structure; very hard, firm, moderately sticky, very plastic; 0.5 very fine roots throughout; 2 percent medium distinct irregular reddish yellow (7.5YR 6/8), moist, masses of oxidized iron in matrix; 15 percent fine distinct irregular white (2.5Y 8/1), moist, salt masses with clear boundaries in matrix and 1 percent fine distinct platy light gray (2.5Y 7/2), moist, gypsum crystals, unspecified with sharp boundaries in matrix; 2 percent by volume nonflat subrounded indurated 2-15-25 millimeter quartz fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # 10N06372; moist when described; observed in pit, large or quarry

Cdyz—181 to 200 centimeters (71.3 to 78.7 inches); pale olive (5Y 6/3), pale olive (5Y 6/3), moist; silty clay; massive; hard, firm, noncoherent, moderately sticky, moderately plastic; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0. Lab sample # 10N06373; moist when described; observed in pit, large or quarry