*** Primary Characterization Data ***

Pedon ID: S1972CO041008

( El Paso, Colorado )

Print Date: Nov 23 2024 6:15AM

Sampled as on May 30, 1972:	LOUVIERS
Revised to SSL:	(unnamed) ; Clayey, montmorillonitic, nonacid, mesic, shallow Ustic Torriorthent

				United States Department of Agriculture
SSL	-	Project	NL72CO004   EL PASO - PUEBLO	Natural Resources Conservation Service
	-	Site ID	S1972CO041008	National Soil Survey Center
	-	Pedon No.	72C0031	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
72C00176	A1	A1	0-9	72176			SCL	COSL
72C00177	A2	A3	9-23	72177			SCL	FSL
72C00178	B1	B2	23-36	72178			CL	SCL
72C00179	B2	C 1	36-53	72179			SC	CL
72C00180	B3	C 2	53-89	72180			SCL
72C00181	By	C 3Cs	54-74	72181

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.44	(NA)
Volume, >2mm, Weighted Average	3	% vol
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	3B1	3B1	3B1
72C00176	0-9	A1	S	cosl	8.4	14.6	77.0			6.2	8.4	9.7	17.9	11.2	16.4	21.8	17	11	tr	77	28
72C00177	9-23	A2	S	fsl	16.2	18.0	65.8			9.2	8.8	11.9	24.8	11.5	9.1	8.5	9	8	--	62	17
72C00178	23-36	B1	S	scl	24.9	27.3	47.8			13.0	14.3	10.5	15.4	8.0	6.9	7.0	4	tr	--	40	4
72C00179	36-53	B2	S	cl	32.7	22.7	44.6			15.2	7.5	8.3	9.3	4.7	8.5	13.8	3	tr	--	38	3
72C00180	53-89	B3	S														8	tr	--
72C00181	54-74	By	S														6	--	--

*** Primary Characterization Data ***

Pedon ID: S1972CO041008

( El Paso, Colorado )

Print Date: Nov 23 2024 6:15AM

Sampled As	:	LOUVIERS
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  72C0031

---

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	4B1c	3C2a1a		3D1		4C1		8D1	8D1
72C00176	0-9	A1	S	1.27	1.32	0.011		12.9	12.4	5.4				0.07		0.88	0.64
72C00177	9-23	A2	S	1.44	1.49	0.010		18.7	16.3	7.7				0.11		0.66	0.48
72C00178	23-36	B1	S	1.60	1.78	0.035		20.7	18.4	9.3				0.14		0.61	0.37
72C00179	36-53	B2	S	1.66	1.87	0.040		21.2	18.9	10.3				0.14		0.50	0.31
72C00180	53-89	B3	S	1.72	1.86			19.7	17.6	9.1		1.024
72C00181	54-74	By	S							7.7		1.024

---

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

72C00176

0-9

A1

S

0.089

1.23

14

72C00177

9-23

A2

S

0.065

0.70

11

72C00178

23-36

B1

S

0.024

0.28

12

72C00179

36-53

B2

S

0.07

---

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	6G9b		5A3a	5A8b	5A3b	5G1	5C3	5C1
72C00176	0-9	A1	S	5.2	0.8	0.6	0.4	7.0				7.0	7.4			100	95
72C00177	9-23	A2	S	8.9*	1.2	0.6	0.3	11.0				11.0	10.7			100	100
72C00178	23-36	B1	S	13.4*	1.7	0.6	0.5	16.2	3.5	0.2		19.7	15.3	16.4	1	82	100
72C00179	36-53	B2	S	13.9*	1.7	0.5	0.5	16.6				16.6	16.2			100	100
72C00180	53-89	B3	S	11.0	1.4	0.7	0.5						12.6
72C00181	54-74	By	S	6.7	0.8	0.6	0.2						7.6

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

*** Primary Characterization Data ***

Pedon ID: S1972CO041008

( El Paso, Colorado )

Print Date: Nov 23 2024 6:15AM

Sampled As	:	LOUVIERS
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  72C0031

---

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		6J1b		6K1c				6L1c			8A		8A3a
72C00176	0-9	A1	S																			8
72C00177	9-23	A2	S																			6
72C00178	23-36	B1	S																			4
72C00179	36-53	B2	S																			3
72C00180	53-89	B3	S	1.8	0.5	1.1	0.3		0.4		0.2				2.3			39.1		0.39
72C00181	54-74	By	S	1.2	0.5	0.4	0.1		0.3		0.3							31.9		0.27

---

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

72C00176

0-9

A1

S

5.8

6.4

72C00177

9-23

A2

S

5.3

6.1

72C00178

23-36

B1

S

5.2

5.5

72C00179

36-53

B2

S

5.6

6.2

72C00180

53-89

B3

S

5.8

6.5

6.5

72C00181

54-74

By

S

5.8

6.6

6.8

---

Miscellaneous Data

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

(- Sat Paste Ex. -)

(- Sand -)

( Water Content )

Bulk

(- - - - Extractable Bases - - - -)

(- - - CEC8 - - -)

CO3+

(- - - pH - - -)

M+C+VC

Moist Sieved

Density

Depth

Ca

Mg

Na

K

NaOAC

BaCl2

Ca+Mg

HCO3

CaCl2

H2O

.25-2

100 kPa

200 kPa

10 kPa

Layer

(cm)

Horz

Prep

(- - - - - - - - - - - - - - - cmol(+)kg-1 - - - - - - - - - - - - - -)

mmol(+)L-1

mmol(-)L-1

1:10

1:10

(- - - - - % of <2mm - - - - -)

g cm-3

NK

72C00180

53-89

B3

S

6.2

72C00181

54-74

By

S

6.2

*** Primary Characterization Data ***

Pedon ID: S1972CO041008

( El Paso, Colorado )

Print Date: Nov 23 2024 6:15AM

Sampled As	:	LOUVIERS
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  72C0031

---

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

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

72C00176

0.0-9.0

A1

tcly

KK 4

MT 3

MI 3

72C00178

23.0-36.0

B1

tcly

MT 5

KK 3

MI 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MT Montmorillonite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks