*** Supplementary Characterization Data ***

Pedon ID: S1978TX039095

( Brazoria, Texas )

Print Date: Nov 12 2024 10:48AM

Sampled as on Jun 1, 1978:	Tracosa ; Fine, montmorillonitic, nonacid, hyperthermic Typic Haplaquent
Revised to correlated:	TRACOSA ; Fine-silty, montmorillonitic, nonacid Typic Haplaquents

				United States Department of Agriculture
SSL	-	Project	RP79TX013   BRAZORIA COUNTY	Natural Resources Conservation Service
	-	Site ID	S1978TX039095   Lat: 29° 4' 57.00" north  Long: 95° 11' 59.99" west  MLRA: 150B	National Soil Survey Center
	-	Pedon No.	79P0016	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

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Tier 1				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-	-20-	-21-	-22-	-23-	-24-	-25-
				(- - - - - - - - - - - - - - - - - - - - - - Engineering PSDA - - - - - - - - - - - - - - - - - - - - -)													(- - - - - Cumulative Curve Fractions - - - - -) (<75mm)								( Atter- )		( Gradation )
				Percentage Passing Sieve													USDA Less Than Diameters (mm) at								berg		Uni-	Cur-
	Depth			3	2	3/2	1	3/4	3/8	4	10	40	200	20	5	2	1.	.5	.25	.10	.05	60	50	10	LL	PI	fmty	vtur
Layer	(cm)	Horz	Prep	(-------------------Inches-------------------)						(---------Number---------)				(------Microns----)			(---------Millimeter----------)					(-----Percentile---)			(----%----)		CU	CC
79P00045	0-10	Ag	S	100	100	100	100	100	100	100	100	100	82	32	27	23	100	100	99	94	58	0.05	0.038	0.001			95.1	5.3
79P00046	10-48	Cg1	S	100	100	100	100	100	100	100	100	100	84	30	25	22	100	100	100	97	57	0.05	0.040	0.001			92.2	13.4
79P00047	48-107	Cg2	S	100	100	100	100	100	100	100	100	99	89	45	39	34	100	99	99	97	75	0.03	0.023	--			80.8	0.2
79P00048	107-157	Cg3	S	100	100	100	100	100	100	100	100	100	82	38	32	28	100	100	100	93	63	0.05	0.031	--			98.6	0.5

---

Tier 2				-26-	-27-	-28-	-29-	-30-	-31-	-32-	-33-	-34-	-35-	-36-	-37-	-38-	-39-	-40-	-41-	-42-	-43-	-44-	-45-	-46-	-47-	-48-	-49-	-50-
				(- - - - - - - - - - - - - - - - - - - - - - Weight Fractions - - - - - - - - - - - - - - - - - - - - -)														(- - - - - - - - - - - Weight Per Unit Volume (g cm-3 )- - - - - - - -)									(- - Void - -)
				Whole Soil (mm)								<75 mm Fraction						Whole Soil				<2 mm Fraction					Ratios
				>2	250	250	75	75	20	5		75	75	20	5			Soil Sur		Engineering		Soil Survey			Engineering		At 33 kPa
	Depth				-UP	-75	-2	-20	-5	-2	<2	-2	-20	-5	-2	<2		33	Oven	Moist	Satur	33	1500	Oven	Moist	Satur	Whole	<2
Layer	(cm)	Horz	Prep	(------------------- % of Whole Soil ------------------)								(--------- % of <75 mm ---------)						kPa	-dry		-ated	kPa	kPa	-dry		-ated	Soil	mm
													3B1	3B1	3B1
79P00045	0-10	Ag	S	--	--	--	--	--	--	--	100	--	--	--	--	100		1.451
79P00046	10-48	Cg1	S	--	--	--	--	--	--	--	100	--	--	--	--	100		1.451
79P00047	48-107	Cg2	S	--	--	--	--	--	--	--	100	--	--	--	--	100		1.451
79P00048	107-157	Cg3	S	--	--	--	--	--	--	--	100	--	--	--	--	100		1.451

¹The whole-soil bulk density was not measured. It was calculated using 1.45 g/cc as the 1/3-bar bulk density of the less-than-2-mm fraction for mineral soils.

---

Tier 3				-51-	-52-	-53-	-54-	-55-	-56-	-57-	-58-	-59-	-60-	-61-	-62-	-63-	-64-	-65-	-66-	-67-	-68-	-69-	-70-	-71-	-72-	-73-	-74-	-75-
				(- - - - - - - - - - - - - - - - - Volume Fractions - - - - - - - - - - - - - - - -)													C	(- - - - - - - Ratios To Clay - - - - - -)					(- - Linear Extensiblity - -)				(- - WRD - -)
				Whole Soil (mm) At 33 kPa													/N	<2 mm Fraction					Whole Soil		<2 mm		Whole	<2
				>2	250	250	75	75	20	5		2-	.05-	LT	Pores		Rat	Fine	CEC		1500	LEP	33 kPa		to %		Soil	mm
	Depth				-UP	-75	-2	-20	-5	-2	<2	.05	.002	.002	D	F	-io	Clay	Sum	NH4-	kPa	33	1500	Oven	1500	Oven
Layer	(cm)	Horz	Prep	(----------------------------- % of Whole Soil ---------------------------)															Cats	OAC	H2O	kPa	kPa	-dry	kPa	-dry	(---in3/in3---)
																					8D1
79P00045	0-10	Ag	S	--	--	--	--	--	--	--	100	23	19	13	45						0.59
79P00046	10-48	Cg1	S	--	--	--	--	--	--	--	100	24	19	12	45						0.51
79P00047	48-107	Cg2	S	--	--	--	--	--	--	--	100	14	22	19	45						0.49
79P00048	107-157	Cg3	S	--	--	--	--	--	--	--	100	20	19	15	45						0.56

*** Supplementary Characterization Data ***

Pedon ID: S1978TX039095

( Brazoria, Texas )

Print Date: Nov 12 2024 10:48AM

Sampled As	:	Tracosa		Fine, montmorillonitic, nonacid, hyperthermic Typic Haplaquent
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0016

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Tier 4				-76-	-77-	-78-	-79-	-80-	-81-	-82-	-83-	-84-	-85-	-86-	-87-	-88-	-89-	-90-	-91-	-92-	-93-	-94-	-95-	-96-	-97-	-98-
				(- - - - - - - - - - - - - - - - - - - Weight Fractions - Clay Free - - - - - - - - - - - - - - - - - -)															Text	PSDA (mm)			pH	Elect.		Part-
				(--------------- Whole Soil ---------------)						(------------------- <2 mm Fraction -------------------)									-ure	Sand	Silt	Clay	Ca	Res-	Con-	-icle
				>2	75	20	2-	.05-	<	(------------- Sands -------------)					(--- Silts ---)		Cl		by	2-	.05-	<	Cl2	ist.	duct	Den-
	Depth				-20	-2	.05	.002	.002	VC	C	M	F	VF	C	F	ay		PSDA	.05	.002	.002	.01M	ohms	dS m-1	sity
Layer	(cm)	Horz	Prep	(- % of >2 mm Sand and Silt -)						(------------------% of Sand and Silt -------------)									<2 mm	(---- % of 2 mm ----)			(-------- <2 mm --------)			g cm-3
																			3A1a1a	3A1a1a	3A1a1a	3A1a1a	8C1e		8A1a
79P00045	0-10	Ag	S				54	46	30	tr	tr	tr	7	46	34	12	30		l	41.8	35.2	23.0	6.6		32.90
79P00046	10-48	Cg1	S				55	45	28	tr	tr	tr	3	51	35	10	28		l	43.1	35.0	21.9	7.7		25.80
79P00047	48-107	Cg2	S				38	62	52	tr	1	tr	3	34	45	17	52		cl	25.2	40.5	34.3	7.7		24.00
79P00048	107-157	Cg3	S				52	48	38				10	42	34	14	38		cl	37.3	35.0	27.7	7.8		34.90