IDENTIFIERS

Current Taxon Name (Soil Name): Austin

OSD

Series Extent

User Site ID: S08TX027005

User Pedon ID: S08TX027005

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - TAMU

Lab Pedon # - S08TX027-005

NCSS Pedon Lab Data NASIS Record ID - 45586

Print Date: 12/17/2024

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: 30.9177246

Std. Longitude: -97.4700928

Datum: WGS84

Location Description: From the intersection of State Hwy 95 and FM 2268 in Holland, head West on FM 2268 for approximately 3.8 miles to Krause Rd. Proceed North then West on Krause Rd. approximately 1.6 miles to gravel drive on North side of road. Follow pasture road north then west then north approximately .5 miles to site located on northern edge of cultivated field.

State: Texas

County: TX027—Bell

MLRA: 86A—Texas Blackland Prairie, Northern Part

7.5 Minute USGS Quad: 30097-H4—Holland, Texas

PEDON

Describers Name: RMR

Current Taxonomic Class: Fine-silty, carbonatic, thermic Udorthentic Haplustolls

Current Taxon Kind: series

Pedon Type: TUD pedon

Pedon Purpose: research site

Pedon Record Orgin: 1977 Bell County Soil Survey

Correlated Information:

Soil Name - Austin

PSC - 25 to 81 cm.

Classificaton Date - 5/21/2012

Soil Taxonomic Edition - eleventh edition

Moisture Class - ustic

Sampled As Information:

Soil Name - Austin

Classificaton Date - 11/20/2008

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

Certification Status: certified

QC Status: level 1

QA Status: level 1

SITE

Parent Material: clayey residuum weathered from limestone

Landscape: dissected plains

Landform: broad plain

Geomorphic Component Hills: interfluve

Hill Slope Profile: shoulder

Slope Position: lower third

Slope Shape Across: convex

Slope Shape Down: convex

Runoff: medium

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Bedrock: moderately coherent strong weathered limestone, unspecified at 81cm

Geology: Kau formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 11/20/2008 (actual site observation date)

Air Photo ID:

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Yield Study ID -

Current Weather - sunny

Pedon Horizon Lab Results - 1
Horizon	Top Depth	Bottom Depth	Sample ID	Data Collector	Total Clay	CaCO3 Clay	Total Silt	Fine Silt	Co. Silt	Total Sand	Total Sand Method	VC Sand	Co. Sand	Med. Sand	Fine Sand	VF Sand	VF Sand Method	Texture Class - Field Lab	Rubbed Fiber	Unrubbed Fiber	pH H2O
	cm	cm			%	%	%	%	%	%		%	%	%	%	%			%	%
A A A Bk1 Bk1 Bk1 Bk2 Bk2 Bk2 Bk3 Bk3 Bk3 Bk4 Bk4 Bk4 Cr1 Cr2	0 0 0 15 15 15 26 26 26 41 41 41 64 64 64 81 109	— 15 15 — 26 26 — 41 41 — 64 64 — 81 81 109 130	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	0.3 — — 0.3 — — 0.5 — — 0.3 — — 0.4 — — — —	0.3 — — 0.5 — — 0.5 — — 0.5 — — 0.5 — — — —	0.8 — — 0.7 — — 0.6 — — 0.6 — — 0.6 — — — —	2.1 — — 1.8 — — 1.6 — — 2 — — 2.4 — — — —	3.4 — — 3.3 — — 3.1 — — 4.1 — — 4.7 — — — —	270 mesh sieve — — 270 mesh sieve — — 270 mesh sieve — — 270 mesh sieve — — 270 mesh sieve — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —

Pedon Horizon Lab Results - 2
Horizon	Top Depth	Bottom Depth	Sample ID	pH CaCl2	pH NaF	pH Ox	Delta pH	LL	PL	PI	Atter. Samp. Cond.	COLE	Pot. Acidity	Ca + Mg - Meh 2	K	Ca + Mg - Sat. Paste	KCl Extract. Acidity	Base Sat. - Meh 2	CEC-7	CEC-8.2
	cm	cm						%	%	%		cm/cm	meq/100g	cmol(+)/kg	cmol(+)/kg	mmol(+)/l	cmol(+)/kg	%	cmol(+)/kg	cmol(+)/kg
A A A Bk1 Bk1 Bk1 Bk2 Bk2 Bk2 Bk3 Bk3 Bk3 Bk4 Bk4 Bk4 Cr1 Cr2	0 0 0 15 15 15 26 26 26 41 41 41 64 64 64 81 109	— 15 15 — 26 26 — 41 41 — 64 64 — 81 81 109 130	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —		— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —

Pedon Horizon Lab Results - 3
Horizon	Top Depth	Bottom Depth	Sample ID	ECEC	Phosphate P	NO3-N	EC	EC Method	EC 1:5 by volume	CaCO3 Equiv.	Equiv. Gypsum	Na	SAR	Gypsum Req.	Humic Color	Fulvic Color	Humic + Fulvic Color	Al	PI	Pyro. Hue	PyrO. Value	Pyro. Chroma
	cm	cm		cmol(+)/kg	mg/kg	mg/kg	dS/m		dS/m	%	%	mmol(+)/l	%	L-pcu/g	L-pcu/g	L-pcu/g	%
A A A Bk1 Bk1 Bk1 Bk2 Bk2 Bk2 Bk3 Bk3 Bk3 Bk4 Bk4 Bk4 Cr1 Cr2	0 0 0 15 15 15 26 26 26 41 41 41 64 64 64 81 109	— 15 15 — 26 26 — 41 41 — 64 64 — 81 81 109 130	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste — —	— — — — — — — — — — — — — — — — —	— — 35 — — 46 — — 52 — — 71 — — 73 78 74	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— 0 — — 0 — — 0 — — 0 — — 0 — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — —

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, paralithic bedrock, paralithic	moderately coherent strongly coherent	81 - 109 109 - 130	- 28 - - 21 -

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon cambic horizon paralithic materials paralithic contact	0—26 26—81 64—81 81—130	—26— —55— —17— —49—

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
1.8	—	—	209	—	28	864	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 15 centimeters (0.0 to 5.9 inches);, very dark gray (10YR 3/1), moist; silty clay; 7 percent sand; 45 percent silt; 48 percent clay; moderate fine subangular blocky structure; friable; fragments; 51 Meq/100g of CEC; 100 Sum, % of Base Saturation; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.7, pH meter; clear smooth boundary. Lab sample # TAMU7418; moist when described; observed in trench

Bk1—15 to 26 centimeters (5.9 to 10.2 inches);, 85 percent very dark grayish brown (10YR 3/2) and 25 percent very dark gray (10YR 3/1), moist; silty clay; 7 percent sand; 46 percent silt; 47 percent clay; moderate medium subangular blocky structure; firm; 3 percent medium carbonate masses; fragments; 44.5 Meq/100g of CEC; 100 Sum, % of Base Saturation; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH meter; clear wavy boundary. Lab sample # TAMU7419; moist when described; observed in trench

Bk2—26 to 41 centimeters (10.2 to 16.1 inches);, 80 percent dark grayish brown (10YR 4/2) and 20 percent very dark grayish brown (10YR 3/2) exterior, moist; silty clay; 6 percent sand; 48 percent silt; 45 percent clay; moderate medium subangular blocky parts to weak medium angular blocky structure; firm; faint slickensides (pedogenic) on top faces of peds; 2 percent fine carbonate masses and 5 percent medium carbonate masses; fragments; 38.4 Meq/100g of CEC; 100 Sum, % of Base Saturation; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.1, pH meter; clear wavy boundary. Lab sample # TAMU7420; moist when described; observed in trench. discontinuous - phpvsfiid 454459; discontinuous - phpvsfiid 454459

Bk3—41 to 64 centimeters (16.1 to 25.2 inches);, 90 percent grayish brown (10YR 5/2) and 10 percent very dark grayish brown (10YR 3/2), moist; silty clay loam; 8 percent sand; 57 percent silt; 36 percent clay; moderate medium subangular blocky structure; moderately hard; 4 percent fine carbonate nodules and 15 percent medium carbonate masses; 5 percent by volume weakly coherent cemented 2-4-5 millimeter limestone, unspecified fragments; 26 Meq/100g of CEC; 100 Sum, % of Base Saturation; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.1, pH meter; clear wavy boundary. Lab sample # TAMU7421; dry when described; observed in trench

Bk4—64 to 81 centimeters (25.2 to 31.9 inches);, light brownish gray (10YR 6/2), moist; very gravelly silty clay loam; 9 percent sand; 58 percent silt; 34 percent clay; weak fine subangular blocky structure; slightly hard; 35 percent medium white (10YR 8/1), moist, carbonate masses; 2 percent by volume moderately coherent cemented 20-22-76 millimeter limestone, unspecified fragments and 13 percent by volume moderately coherent cemented 2-4-5 millimeter limestone, unspecified fragments and 40 percent by volume moderately coherent cemented 5-15-20 millimeter limestone, unspecified fragments; 23.3 Meq/100g of CEC; 100 Sum, % of Base Saturation; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.1, pH meter; abrupt wavy boundary. Lab sample # TAMU7422; dry when described; observed in trench

Cr1—81 to 109 centimeters (31.9 to 42.9 inches);, 70 percent white (2.5Y 8/1) and 30 percent grayish brown (10YR 5/2), moist; ; structureless massive; very hard; moderate excavation difficulty; fragments; violent effervescence, by hcl, 1n; abrupt wavy boundary. Lab sample # TAMU7423; dry when described; observed in trench

Cr2—109 to 130 centimeters (42.9 to 51.2 inches);, 85 percent white (2.5Y 8/1) and 10 percent very dark gray (10YR 3/1) and 5 percent grayish brown (10YR 5/2), moist; ; structureless massive; extremely hard; high excavation difficulty; 2 percent faint slickensides (pedogenic) on top faces of peds; fragments; violent effervescence, by hcl, 1n. Lab sample # TAMU7424; dry when described; observed in trench. discontinuous - phpvsfiid 454460; discontinuous - phpvsfiid 454460