*** Primary Characterization Data ***

Pedon ID: 91TX137001

( Edwards, Texas )

Print Date: Apr 23 2024 3:28AM

Sampled as :	Mailtrail ; Loamy-skeletal, carbonatic, thermic Petrocalcic Calciustoll
Revised to correlated:	Mailtrail ; Loamy-skeletal, carbonatic, thermic, shallow Petrocalcic Calciustolls

				United States Department of Agriculture
SSL	-	Project	CP91TX128   EDWARDS PLATEAU	Natural Resources Conservation Service
	-	Site ID	S1991TX137001   Lat: 30° 11' 28.78" north  Long: 100° 39' 37.41" west  MLRA: 81B	National Soil Survey Center
	-	Pedon No.	91P0511	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
91P02939	A1	A1	0-14				L	CL
91P02940	A2	A2	14-38				L	CL
91P02941	Bkm1	Bkm	38-52					COSL
91P02942	Bkm2	Bkm2	52-81					COSL
91P02943	Bkm3	Bkm3	81-110					COSL
91P02944	Bkm4	Bkm4	110-152					COSL
91P02945	Bkm	BkmFRAgMENts	14-38					COSL

---

---

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	3B1	3B1	3B1
91P02939	0-14	A1	S	cl	31.7	42.9	25.4		6.5	23.2	19.7	4.7	2.5	3.2	6.0	9.0	6	17	39	70	62
91P02940	14-38	A2	S	cl	38.8	38.6	22.6		10.9	21.5	17.1	4.5	2.4	3.5	5.5	6.7	3	7	65	80	84
91P02941	38-52	Bkm1	S	cosl	6.7	18.3	75.0		3.7	8.6	9.7	11.1	13.8	14.6	18.3	17.2	--	--	--	64
91P02942	52-81	Bkm2	S	cosl	14.0	27.0	59.0		11.3	17.4	9.6	7.3	11.1	12.9	12.9	14.8	--	--	--	52
91P02943	81-110	Bkm3	S	cosl	10.3	33.1	56.6		8.7	25.6	7.5	6.6	10.4	11.1	11.7	16.8	--	--	--	50
91P02944	110-152	Bkm4	S	cosl	7.3	32.8	59.9		6.7	24.5	8.3	5.6	10.0	12.7	16.0	15.6	--	--	--	54
91P02945	14-38	Bkm	N	cosl	13.0	17.3	69.7		9.5	8.1	9.2	8.7	10.9	13.4	18.3	18.4

*** Primary Characterization Data ***

Pedon ID: 91TX137001

( Edwards, Texas )

Print Date: Apr 23 2024 3:28AM

Sampled As	:	Mailtrail		Loamy-skeletal, carbonatic, thermic Petrocalcic Calciustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0511

---

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		8D1	8D1
91P02939	0-14	A1	S	0.89	1.01	0.027			39.0	19.2		1.044		0.11		1.09	0.61
91P02940	14-38	A2	S							23.3		1.046				0.92	0.60
91P02941	38-52	Bkm1	S	1.54	1.54	--			18.0	9.1		1.004		0.14		0.22	1.36
91P02942	52-81	Bkm2	S	1.52	1.52	--			18.2	8.2		1.004		0.15		0.15	0.59
91P02943	81-110	Bkm3	S							3.8		1.003				0.18	0.37
91P02944	110-152	Bkm4	S							3.1		1.002
91P02945	14-38	Bkm	S	1.64	1.64	--			19.8					0.09
91P02945	14-38	Bkm	N							14.2		1.008				0.30	1.09

---

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 - - - - -)

6B3a

6A1c

91P02939

0-14

A1

S

0.533

5.55

91P02940

14-38

A2

S

0.538

5.60

91P02941

38-52

Bkm1

S

0.039

0.41

91P02942

52-81

Bkm2

S

0.038

0.52

91P02943

81-110

Bkm3

S

0.012

0.14

91P02944

110-152

Bkm4

S

0.15

91P02945

14-38

Bkm

N

0.65

*** Primary Characterization Data ***

Pedon ID: 91TX137001

( Edwards, Texas )

Print Date: Apr 23 2024 3:28AM

Sampled As	:	Mailtrail		Loamy-skeletal, carbonatic, thermic Petrocalcic Calciustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0511

---

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						5A8b			5C3	5C1
91P02939	0-14	A1	S	63.0*	1.8	0.1	1.2						34.7			100	100
91P02940	14-38	A2	S	66.5*	1.2	0.1	0.7						35.8			100	100
91P02941	38-52	Bkm1	S	44.7*	0.3	tr	tr						1.5			100	100
91P02942	52-81	Bkm2	S	46.6*	0.2	tr	0.1						2.1			100	100
91P02943	81-110	Bkm3	S	41.9*	0.2	tr	0.1						1.9			100	100
91P02944	110-152	Bkm4	S	40.8*	0.1	0.1	--						1.5			100	100
91P02945	14-38	Bkm	N	45.7*	0.2	tr	--						3.9			100	100

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

---

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
91P02939	0-14	A1	S	9.2	0.6	0.1	0.3	--	4.6	0.2	0.6				1.8	0.3	3.7	61.8	tr	1.01	0.65	tr	--
91P02940	14-38	A2	S	8.0	0.3	0.3	0.1	--	5.1	0.5	0.6				1.1	--	--	65.9	tr	0.79	0.40	tr	tr
91P02941	38-52	Bkm1	S																		0.19	--
91P02942	52-81	Bkm2	S																		0.21	--
91P02943	81-110	Bkm3	S																		0.14	--
91P02944	110-152	Bkm4	S																		0.14	7
91P02945	14-38	Bkm	N																		0.20	--

*** Primary Characterization Data ***

Pedon ID: 91TX137001

( Edwards, Texas )

Print Date: Apr 23 2024 3:28AM

Sampled As	:	Mailtrail		Loamy-skeletal, carbonatic, thermic Petrocalcic Calciustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0511

---

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		4E2a1a1a1
91P02939	0-14	A1	S		7.5	7.8	7.6			39		--
91P02940	14-38	A2	S		7.5	7.9	7.5			36
91P02941	38-52	Bkm1	S		7.8	8.2				94
91P02942	52-81	Bkm2	S		7.8	8.3				90
91P02943	81-110	Bkm3	S		7.8	8.4				93
91P02944	110-152	Bkm4	S		7.8	8.3				93
91P02945	14-38	Bkm	N		7.7	8.2				92

*** Primary Characterization Data ***

Pedon ID: 91TX137001

( Edwards, Texas )

Print Date: Apr 23 2024 3:28AM

Sampled As	:	Mailtrail		Loamy-skeletal, carbonatic, thermic Petrocalcic Calciustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0511

---

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

&nbsp;

&nbsp;

7C3

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

91P02939

0.0-14.0

A1

tcly

CA 3

MI 1

KK 1

MM 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

11

4.4

&nbsp;

&nbsp;

1.6

&nbsp;

&nbsp;

&nbsp;

91P02941

38.0-52.0

Bkm1

tcly

CA 5

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

3

0.7

&nbsp;

&nbsp;

0.4

&nbsp;

&nbsp;

&nbsp;

91P02944

110.0-152.0

Bkm4

tcly

CA 3

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

6

2.1

&nbsp;

&nbsp;

0.8

&nbsp;

&nbsp;

&nbsp;

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm	&nbsp;	&nbsp;	&nbsp;	&nbsp;

MINERAL INTERPRETATION:
CA Calcite	KK Kaolinite	MI Mica	MM Montmorillonite-Mica	 

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks