IDENTIFIERS

Current Taxon Name (Soil Name): Duval

OSD

Series Extent

User Site ID: S1979TX507001

User Pedon ID: 79TX507001

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - KSSL

Lab Pedon # - 79P0330

NCSS Pedon Lab Data NASIS Record ID - 47063

Print Date: 12/11/2024

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: 28.7888889

Std. Longitude: -99.6305542

Datum: WGS84

Location Description: 10.4 km S of Batesville on FR 117 continue 4.6 km S on FR 1025 46 meters east in rangeland.

State: Texas

County: TX507—Zavala

PEDON

Describers Name: J. W. Stevens and D. Arriaga

Current Taxonomic Class: Fine-silty, siliceous, superactive, hyperthermic Aridic Haplustalfs

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: Converted from SSL-CMS data

Pedon #: 1

Correlated Information:

Soil Name - Duval

PSC - 38 to 88 cm.

Classificaton Date - 1/3/2014

Classifier - Gary Harris

Soil Taxonomic Edition - eleventh edition

Moisture Class - ustic

Moisture Subclass - aridic (torric)

Sampled As Information:

Soil Name - Duval

Taxonomic Class - Fine-loamy, mixed, hyperthermic Aridic Haplustalfs

Taxon Kind - series

Classificaton Date - 6/1/1979

Moisture Class - ustic

Moisture SUBClass - aridic (torric)

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

Certification Status: certified

QC Status: level 1

QA Status: level 1

SITE

Landscape: upland

Landform: upland slope

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 6/1/1979 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - rangeland, shrubby

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, paralithic	weakly coherent	137 - 203	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon paralithic materials	0—38 38—114 137—203	—- —- —-

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
—	—	—	—	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

A1—0 to 10 centimeters (0.0 to 3.9 inches); yellowish red (5YR 4/6) interior, dark reddish brown (5YR 3/4) interior, moist; very fine sandy loam; weak fine subangular blocky structure; slightly hard, very friable; 2.5 fine roots; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 79P01721. common fine roots

A2—10 to 38 centimeters (3.9 to 15.0 inches); reddish brown (5YR 4/4) interior, dark reddish brown (5YR 3/4) interior, moist; very fine sandy loam; weak fine and medium subangular blocky structure; hard, very friable; 2.5 fine roots; 0.5 fine and medium tubular pores; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 79P01722. common fine roots

Bt1—38 to 56 centimeters (15.0 to 22.0 inches); red (2.5YR 4/6) interior, dark red (2.5YR 3/6) interior, moist; very fine sandy loam; weak medium prismatic, and weak fine and medium subangular blocky structure; hard, friable; 2.5 fine roots; 0.5 fine tubular pores; clay bridges between sand grains and 15 percent faint clay films on faces of peds; fragments; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # 79P01723. few clay films surface features on faces of peds; common fine roots; patchy - phpvsfiid 1191314; patchy - phpvsfiid 1191314

Bt2—56 to 91 centimeters (22.0 to 35.8 inches); red (2.5YR 4/6) interior, dark red (2.5YR 3/6) interior, moist; sandy clay loam; weak medium prismatic, and weak fine and medium subangular blocky structure; hard, friable; 0.5 fine roots; 0.5 fine tubular pores; clay bridges between sand grains and 15 percent faint clay films on faces of peds; 1 percent worm casts and 1 percent insect casts; fragments; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # 79P01724. few worm casts concentrations; few insects casts concentrations; few clay films surface features on faces of peds; few fine roots; patchy - phpvsfiid 1191316; patchy - phpvsfiid 1191316

Btk—91 to 114 centimeters (35.8 to 44.9 inches); yellowish red (5YR 5/6) interior, yellowish red (5YR 4/6) interior, moist; very fine sandy loam; weak fine and medium subangular blocky structure; slightly hard, very friable; 1 percent fine threadlike lime masses; 5 percent by volume 2-39-75 millimeter sandstone, unspecified fragments; slightly alkaline, pH 7.6, hellige-truog; gradual wavy boundary. Lab sample # 79P01725. few fine soft masses of lime concentrations

Bk—114 to 137 centimeters (44.9 to 53.9 inches); reddish yellow (5YR 6/8) interior, yellowish red (5YR 5/8) interior, moist; very fine sandy loam; weak fine subangular blocky structure; slightly hard, very friable; 1 percent fine threadlike lime masses; 15 percent by volume 2-39-75 millimeter sandstone, unspecified fragments; moderately alkaline, pH 8.2, hellige-truog; abrupt wavy boundary. Lab sample # 79P01726. few fine soft masses of lime concentrations

Cr—137 to 203 centimeters (53.9 to 79.9 inches); white (5YR 8/1) interior, light gray (5YR 7/1) interior, moist; weathered bedrock; fragments; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 79P01727. Contains strata and pockets of yellowish red and strong brown sandstone that is hard but can be dug with bucket auger. Few pockets of reddish yellow sandy clay loam in upper part with frew seams of lime but sandstone is noncalcareous.