*** Primary Characterization Data ***

Pedon ID: 87TX145001

( Falls, Texas )

Print Date: Dec 4 2024 3:00AM

Sampled as on May 1, 1987:	Heiden ; Fine, montmorillonitic, thermic Udic Chromustert
Revised to correlated:	Heiden ; Fine, smectitic, thermic Udic Chromusterts

				United States Department of Agriculture
SSL	-	Project	CP87TX216   WEPP FALLS COUNTY	Natural Resources Conservation Service
	-	Site ID	S1987TX145001   Lat: 31° 27' 16.00" north  Long: 96° 52' 52.00" west  MLRA: 86A	National Soil Survey Center
	-	Pedon No.	87P0647	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
87P03393	Ap	Ap	0-23				SIC	C
87P03394	Bw	Bw	23-48				SIC	SIC
87P03395	Bk1	Bk1	48-79				SIC	SIC
87P03396	Bk2	Bk2	79-120				SIC	SIC
87P03397	BCk	BCk	120-152				SIC	SIC
87P03398	CBk	CBk	152-188				SIC	SIC
87P03399	C	C	188-218				SIC	SIC

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.75	(NA)
Clay, carbonate free, Weighted Average	28	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	2	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	46	% wt
LE, Whole Soil, Summed to 1m	5	cm/m
Weighted averages based on control section: 25-100 cm

---

PSDA  &  Rock Fragments				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-
					(- - - - - Total - - - - - -)			(- - Clay - - -)		(- - - - Silt - - - - -)		(- - - - - - - - - - - - Sand - - - - - - - - - - - -)					( Rock Fragments   (mm) )
				Lab	Clay	Silt	Sand	Fine	CO3	Fine	Coarse	VF	F	M	C	VC	(- - - - - - - - Weight - - - - - - - -)				>2 mm
				Text-	<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1	2	5	20	.1-	wt %
	Depth			ure	.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2	-5	-20	-75	75	whole
Layer	(cm)	Horz	Prep		(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)												(- - - - - - - % of <75mm - - - - - -)				soil
				3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
87P03393	0-23	Ap	S	c	53.1	38.3	8.6	16.4	16.7	29.3	9.0	4.5	2.6	1.0	0.3	0.2	--	--	--	4	--
87P03394	23-48	Bw	S	sic	47.6	44.2	8.2	17.6	18.2	35.8	8.4	5.2	2.2	0.6	0.2	--	tr	tr	--	3	tr
87P03395	48-79	Bk1	S	sic	45.2	46.7	8.1	15.6	17.2	38.5	8.2	7.1	0.4	0.4	0.2	--	--	tr	--	1	tr
87P03396	79-120	Bk2	S	sic	45.2	46.5	8.3	14.8	18.6	37.7	8.8	5.5	2.3	0.4	0.1	--	--	--	--	3	--
87P03397	120-152	BCk	S	sic	47.4	44.7	7.9	14.9	16.6	36.1	8.6	5.5	2.0	0.3	--	0.1	--	--	--	2	--
87P03398	152-188	CBk	S	sic	49.8	43.8	6.4	13.6	20.8	36.3	7.5	4.6	1.5	0.3	--	--	--	--	--	2	--
87P03399	188-218	C	S	sic	48.8	42.1	9.1	11.8	19.4	36.1	6.0	5.2	3.4	0.4	--	0.1	--	--	--	4	--

*** Primary Characterization Data ***

Pedon ID: 87TX145001

( Falls, Texas )

Print Date: Dec 4 2024 3:00AM

Sampled As	:	Heiden		Fine, montmorillonitic, thermic Udic Chromustert
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0647

---

Water Dispersible PSDA				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-
				(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Dispersible - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)
				(- - - - - Total - - - - - -)			(- - Clay - - -)		(- - - - Silt - - - - -)		(- - - - - - - - - - - - Sand - - - - - - - - - - - -)
				Clay	Silt	Sand	F	CO3	F	C	VF	F	M	C	VC
				<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1
	Depth			.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)
				3A1a6a	3A1a6a	3A1a6a
87P03393	0-23	Ap	S	17.6	59.6	22.8

---

Bulk Density  &  Moisture				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(Bulk Density)		Cole	(- - - - - - - - - - - Water Content - - - - - - - - - - -)					( Air Dry-Oven Dry )		WRD	Aggst
				33	Oven	Whole	6	10	33	1500	1500 kPa	(- - - - Ratio - - - -)		Whole	Stabl	(- - Ratio/Clay - -)
	Depth			kPa	Dry	Soil	kPa	kPa	kPa	kPa	Moist		Corrected	Soil	2-0.5mm	CEC7	1500 kPa
Layer	(cm)	Horz	Prep	(- - - g cm-3 - - -)			(- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -)							cm3 cm-3	%
				4A1d	4A1h				4B1c	3C2a1a		3D1		4C1	3F1a1a	8D1	8D1
87P03393	0-23	Ap	S	1.38	1.84	0.101			28.8	18.9		1.040		0.14	65	0.63	0.36
87P03394	23-48	Bw	S	1.53	1.73	0.042			22.1	16.1		1.031		0.09		0.47	0.34
87P03395	48-79	Bk1	S	1.61	1.80	0.038			20.2	15.0		1.028		0.08		0.46	0.33
87P03396	79-120	Bk2	S	1.68	1.89	0.040			19.3	14.4		1.027		0.08		0.43	0.32
87P03397	120-152	BCk	S	1.59	1.81	0.044			21.6	15.0		1.029		0.10		0.43	0.32
87P03398	152-188	CBk	S	1.59	1.83	0.048			22.3	16.1		1.028		0.10		0.39	0.32
87P03399	188-218	C	S	1.67	1.86	0.037			22.1	16.1		1.023		0.10		0.34	0.33

---

Water Content				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-
				(- - Atterberg - -)		(- - - - - Bulk Density - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)
				(- - - Limits - - -)		Field	Recon	Recon	Field	Recon	(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)
				LL	PI		33	Oven		33	6	10	33	100	200	500
	Depth						kPa	Dry		kPa	kPa	kPa	kPa	kPa	kPa	kPa
Layer	(cm)	Horz	Prep	pct <0.4mm		(- - - - - - - - g cm-3 - - - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)
				4F1	4F										3C1e1a
87P03393	0-23	Ap	S	55	35										25.1
87P03394	23-48	Bw	S												20.1
87P03395	48-79	Bk1	S	49	32										19.2
87P03396	79-120	Bk2	S												18.8
87P03397	120-152	BCk	S												20.7
87P03398	152-188	CBk	S												23.1
87P03399	188-218	C	S	52	34										24.5

*** Primary Characterization Data ***

Pedon ID: 87TX145001

( Falls, Texas )

Print Date: Dec 4 2024 3:00AM

Sampled As	:	Heiden		Fine, montmorillonitic, thermic Udic Chromustert
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0647

---

Carbon  &  Extractions				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-
				(- - - - - Total - - - - -)			Est	OC	C/N	(- - - Dith-Cit Ext - - -)			(- - - - - - Ammonium Oxalate Extraction - - - - - -)						(- - - Na Pyro-Phosphate - - -)
	Depth			C	N	S	OC	(WB)	Ratio	Fe	Al	Mn	Al+½Fe	ODOE	Fe	Al	Si	Mn	C	Fe	Al	Mn
Layer	(cm)	Horz	Prep	(- - - - - - - - - - % of <2 mm - - - - - - - - - -)						(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)								mg kg-1	(- - - - - - % of < 2mm - - - - -)
				6A2d	6B3a			6A1c		6C2b	6G7a			8J	6C9a	6G12	6V2
87P03393	0-23	Ap	S	7.33	0.125			1.36	11	0.6	0.1		0.09	0.05	0.03	0.07	0.04
87P03394	23-48	Bw	S		0.072			0.75	10	0.6	0.1			0.02		0.01	0.01
87P03395	48-79	Bk1	S		0.050			0.50	10	0.6	0.1			0.02		0.01	0.01
87P03396	79-120	Bk2	S					0.24		0.6	0.1			0.01		0.01	0.01
87P03397	120-152	BCk	S					0.18		0.7	0.1			0.01		0.02	0.01
87P03398	152-188	CBk	S					0.14		0.7	0.1			0.02		0.01	0.01
87P03399	188-218	C	S					0.10		0.6	tr		0.02	0.01	0.01	0.01	0.02

---

CEC  &  Bases				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(- - - - - - NH4OAC Extractable Bases - - - - -)								CEC8	CEC7	ECEC		(- - - - Base - - - -)
								Sum	Acid-	Extr	KCl	Sum	NH4	Bases	Al	(- Saturation -)
	Depth			Ca	Mg	Na	K	Bases	ity	Al	Mn	Cats	OAC	+Al	Sat	Sum	NH4OAC
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)							mg kg-1	(- - - - cmol(+) kg-1 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2e	6O2d	6P2b	6Q2b		6H5a				5A8b			5C3	5C1
87P03393	0-23	Ap	S	63.1*	1.0	0.1	0.6		--				33.3			100	100
87P03394	23-48	Bw	S	51.9*	0.4	--	0.3						22.6			100	100
87P03395	48-79	Bk1	S	50.8*	0.4	tr	0.3						21.0			100	100
87P03396	79-120	Bk2	S	48.6*	0.7	tr	0.3						19.3			100	100
87P03397	120-152	BCk	S	51.9*	1.2	tr	0.3						20.3			100	100
87P03398	152-188	CBk	S	49.6*	1.6	0.1	0.4						19.5			100	100
87P03399	188-218	C	S	46.9*	1.6	0.1	0.3						16.8			100	100

^*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.

*** Primary Characterization Data ***

Pedon ID: 87TX145001

( Falls, Texas )

Print Date: Dec 4 2024 3:00AM

Sampled As	:	Heiden		Fine, montmorillonitic, thermic Udic Chromustert
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0647

---

Salt				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-	-20-
				(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)																	1:2
																			Total	Elec	Elec	Exch
	Depth			Ca	Mg	Na	K	CO3	HCO3	F	Cl	PO4	Br	OAC	SO4	NO2	NO3	H2O	Salts	Cond	Cond	Na	SAR
Layer	(cm)	Horz	Prep	(- - - - - mmol(+) L-1 - - - - -)				(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)										(- - - - % - - - -)		(- - dS m-1 - -)		%
				6N1b	6O1b	6P1b	6Q1b	6I1b	6J1b	6U1a	6K1c				6L1c	6W1a	6M1c	8A	8D5	8A3a	4F1a1a1		5E
87P03393	0-23	Ap	S	6.0	0.2	0.6	0.1	--	2.7	0.1	0.2				0.9	0.1	2.6	65.3	tr	0.66	0.42	tr	tr
87P03394	23-48	Bw	S																		0.22	--
87P03395	48-79	Bk1	S																		0.19	--
87P03396	79-120	Bk2	S																		0.18	--
87P03397	120-152	BCk	S																		0.20	--
87P03398	152-188	CBk	S																		0.20	1
87P03399	188-218	C	S																		0.20	1

---

pH  &  Carbonates				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-
				(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)						(- - Carbonate - -)		(- - Gypsum - - -)
					CaCl2					As CaCO3		As CaSO4*2H2O		Resist
	Depth				0.01M	H2O	Sat			<2mm	<20mm	<2mm	<20mm	ohms
Layer	(cm)	Horz	Prep	KCl	1:2	1:1	Paste	Oxid	NaF	(- - - - - - - - - - - - % - - - - - - - - - - -)				cm-1
					4C1a2a	4C1a2a	8C1b			6E1g
87P03393	0-23	Ap	S		7.6	7.9	7.3			45
87P03394	23-48	Bw	S		7.7	8.2				64
87P03395	48-79	Bk1	S		7.7	8.2				66
87P03396	79-120	Bk2	S		7.7	8.2				65
87P03397	120-152	BCk	S		7.7	8.2				61
87P03398	152-188	CBk	S		7.7	8.2				62
87P03399	188-218	C	S		7.7	8.2				63

*** Primary Characterization Data ***

Pedon ID: 87TX145001

( Falls, Texas )

Print Date: Dec 4 2024 3:00AM

Sampled As	:	Heiden		Fine, montmorillonitic, thermic Udic Chromustert
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0647

---

Trace Elements Tier 1				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-
	Depth			Ag	As	Ba	Be	Cd	Co	Cr	Cu	Mn	Mo		Hg
Layer	(cm)	Horz	Prep	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg		ug/kg
								4H1a	4H1a	4H1a	4H1a	4H1a
87P03393	0-23	Ap	S					0.28	4.40	48.68	9.12	221.84
87P03394	23-48	Bw	S					0.26	3.89	40.14	8.87	178.82
87P03395	48-79	Bk1	S					0.26	3.71	41.52	12.42	161.75
87P03396	79-120	Bk2	S					0.28	3.12	43.60	9.40	149.45
87P03397	120-152	BCk	S					0.27	2.54	51.79	11.35	123.34
87P03398	152-188	CBk	S					0.29	2.96	47.18	12.17	144.29
87P03399	188-218	C	S					0.28	3.50	39.70	13.84	171.61

---

Trace Elements Tier 2				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-
	Depth			Ni	P	Pb	Sb	Se	Sn	Sr	Tl	V	W	Zn
Layer	(cm)	Horz	Prep	mg/kg	mg/kg	mg/kg	mg/kg	ug/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg
				4H1a	4H1a	4H1a								4H1a
87P03393	0-23	Ap	S	23.07	706.95	9.21								71.44
87P03394	23-48	Bw	S	20.30	584.97	4.82								50.69
87P03395	48-79	Bk1	S	19.86	550.80	4.22								50.49
87P03396	79-120	Bk2	S	20.50	531.77	4.21								55.01
87P03397	120-152	BCk	S	22.16	648.08	4.82								68.89
87P03398	152-188	CBk	S	22.60	838.83	5.46								74.34
87P03399	188-218	C	S	21.26	776.13	5.10								70.33

*** Primary Characterization Data ***

Pedon ID: 87TX145001

( Falls, Texas )

Print Date: Dec 4 2024 3:00AM

Sampled As	:	Heiden		Fine, montmorillonitic, thermic Udic Chromustert
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0647

---

Major Elements				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-
	Depth			Al	Ca	Fe	K	Mg	Mn	Na	P	Si	Sr	Ti	Zr
Layer	(cm)	Horz	Prep	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg
				4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b		4H1b	4H1b
87P03393	0-23	Ap	S	38613	200946	18502	5429	5126	233	707	640	139269		2038	96
87P03394	23-48	Bw	S	32264	256623	15145	4914	4352	201	582	568	83096		1612	78
87P03395	48-79	Bk1	S	31363	258800	14529	5304	4276	162	660	567	95186		1555	77
87P03396	79-120	Bk2	S	32006	258339	14985	6177	4490	170	767	464	96035		1584	75
87P03397	120-152	BCk	S	36327	241006	17434	8119	5082	147	1030	582	107615		1799	81
87P03398	152-188	CBk	S	35923	247467	17133	8767	5076	169	1111	776	107698		1801	80
87P03399	188-218	C	S	31659	259807	15456	8200	4645	196	1029	737	95146		1603	73

*** Primary Characterization Data ***

Pedon ID: 87TX145001

( Falls, Texas )

Print Date: Dec 4 2024 3:00AM

Sampled As	:	Heiden		Fine, montmorillonitic, thermic Udic Chromustert
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0647

---

Clay Mineralogy (<.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Elemental

EGME

Inter

SiO2

Al2O3

Fe2O3

MgO

CaO

K2O

Na2O

Retn

preta

Depth

Fract

7A2i

7A4a

7A4b

7C3

tion

Layer

(cm)

Horz

ion

( - - - - - - - - - peak size - - - - - - - - - - )

(- - - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)

mg g-1

87P03393

0.0-23.0

Ap

tcly

CA 4

MT 4

CM 2

MI 2

KK 2

KK 12

GI tr

KK 13

GI tr

4.9

1.7

87P03395

48.0-79.0

Bk1

tcly

CA 5

MT 3

CM 3

MI 1

KK 1

KK 9

GI tr

4.9

0.9

87P03399

188.0-218.0

C

tcly

CA 5

MT 3

MI 2

CM 2

KK 1

KK 9

GI tr

4.6

0.9

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	CM Chlorite-Mica	GI Gibbsite	KK Kaolinite	MI Mica
MT Montmorillonite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 87TX145001

( Falls, Texas )

Print Date: Dec 4 2024 3:00AM

Sampled As	:	Heiden		Fine, montmorillonitic, thermic Udic Chromustert
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0647

---

Fine Earth Mineralogy (<2.0 mm)				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-
				X-Ray					Thermal				Elemental							EGME	Inter
													SiO2	Al2O3	Fe2O3	MgO	CaO	K2O	Na2O	Retn	preta
	Depth		Fract																	7D2	tion
Layer	(cm)	Horz	ion	( - - - - - - - - - - peak size - - - - - - - - - - )					(- - - - - - - - - % - - - - - - - - - -)				(- - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -)							mg g-1
87P03393	0.0-23.0	Ap	feth																	38.0

FRACTION INTERPRETATION:
feth - Fine Earth <2 mm