*** Primary Characterization Data ***

Pedon ID: S1970CO023001

( Costilla, Colorado )

Print Date: Apr 18 2024 12:56AM

Sampled as on Oct 6, 1970:	COSTILLA
Revised to correlated:	unnamed ; Mixed, frigid Typic Torripsamments

				United States Department of Agriculture
SSL	-	Project	NL70CO008   SAN LUIS BASIN	Natural Resources Conservation Service
	-	Site ID	S1970CO023001   Lat: 37° 26' 23.09" north  Long: 105° 38' 38.06" west  MLRA: 51	National Soil Survey Center
	-	Pedon No.	70C0081	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
70C00515	A1	A11	0-10	70515			LS	S
70C00516	A2	A12	10-20	70516			LS	S
70C00517	B	C 1	20-36	70517			LS	LS
70C00518	Bk1	C2ca	36-68	70518			LS	LS
70C00519	Bk2	C3ca	68-99	70519			LS	LCOS
70C00520	Bk3	C4ca	99-137	70520			LS	LCOS
70C00521	Bk4	C5ca	137-158	70521			LS	LS

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.79	(NA)
Clay, carbonate free, Weighted Average	8	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	76	% wt
Volume, >2mm, Weighted Average	8	% vol
Clay, total, Weighted Average	8	% wt
LE, Whole Soil, Summed to 1m	1	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	3B1	3B1	3B1
70C00515	0-10	A1	S	s	4.8	7.4	87.8			2.4	5.0	14.2	40.8	18.3	11.2	3.3	4	8	2	77	14
70C00516	10-20	A2	S	s	5.9	5.9	88.2			1.6	4.3	13.5	42.0	18.3	11.3	3.1	4	5	1	77	10
70C00517	20-36	B	S	ls	7.7	7.1	85.2			2.0	5.1	16.3	42.6	15.7	8.6	2.0	3	4	1	71	8
70C00518	36-68	Bk1	S	ls	8.2	7.5	84.3			2.1	5.4	14.9	38.4	16.6	10.6	3.8	4	5	2	73	11
70C00519	68-99	Bk2	S	lcos	7.8	6.3	85.9			2.5	3.8	9.4	31.6	19.7	17.8	7.4	7	7	2	80	16
70C00520	99-137	Bk3	S	lcos	6.8	8.4	84.8			3.3	5.1	9.9	31.8	17.7	17.3	8.1	5	4	1	77	10
70C00521	137-158	Bk4	S	ls	4.8	12.5	82.7			5.1	7.4	15.1	41.3	12.5	9.8	4.0	5	5	2	71	12

*** Primary Characterization Data ***

Pedon ID: S1970CO023001

( Costilla, Colorado )

Print Date: Apr 18 2024 12:56AM

Sampled As	:	COSTILLA
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  70C0081

---

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
70C00515	0-10	A1	S	1.65	1.69	0.007		9.1	8.5	2.8		1.010		0.09		1.38	0.58
70C00516	10-20	A2	S	1.62	1.67	0.010		9.1	7.5	3.3		1.010		0.06		1.19	0.56
70C00517	20-36	B	S	1.59	1.64	0.010		11.5	10.3	3.7		1.010		0.10		1.00	0.48
70C00518	36-68	Bk1	S	1.67	1.71	0.007		12.8	9.2	4.2		1.010		0.08		0.83	0.51
70C00519	68-99	Bk2	S	1.63	1.64	0.002		11.5	8.3	3.6		1.010		0.07		0.68	0.46
70C00520	99-137	Bk3	S	1.70	1.72	0.004		14.0	9.7	3.2		1.008		0.10		0.87	0.47
70C00521	137-158	Bk4	S	1.60	1.63	0.006		18.6	12.8	4.0		1.008		0.13		1.79	0.83

---

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

70C00515

0-10

A1

S

NP

NP

70C00516

10-20

A2

S

NP

NP

70C00517

20-36

B

S

NP

NP

70C00518

36-68

Bk1

S

NP

NP

70C00520

99-137

Bk3

S

NP

NP

70C00521

137-158

Bk4

S

NP

NP

*** Primary Characterization Data ***

Pedon ID: S1970CO023001

( Costilla, Colorado )

Print Date: Apr 18 2024 12:56AM

Sampled As	:	COSTILLA
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  70C0081

---

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

6C2b

6G7a

70C00515

0-10

A1

S

0.030

0.33

11

0.6

tr

70C00516

10-20

A2

S

0.027

0.30

11

0.5

tr

70C00517

20-36

B

S

0.24

0.6

tr

70C00518

36-68

Bk1

S

0.16

0.5

tr

70C00519

68-99

Bk2

S

0.06

0.3

tr

70C00520

99-137

Bk3

S

0.21

0.3

tr

70C00521

137-158

Bk4

S

0.18

0.3

tr

---

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					5A3a	5A8b			5C3	5C1
70C00515	0-10	A1	S	5.8*	1.1	0.1	0.8	7.8				7.8	6.6			100	100
70C00516	10-20	A2	S	7.9*	1.2	0.1	0.5	9.7				9.7	7.0			100	100
70C00517	20-36	B	S	13.3*	1.4	0.1	0.5						7.7			100	100
70C00518	36-68	Bk1	S	17.4*	1.7	0.1	0.5						6.8			100	100
70C00519	68-99	Bk2	S	15.6*	2.3	0.2	0.3						5.3			100	100
70C00520	99-137	Bk3	S	14.5*	2.9	0.8	0.2						5.9			100	100
70C00521	137-158	Bk4	S	15.0*	3.9	2.1	0.2						8.6			100	100

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

*** Primary Characterization Data ***

Pedon ID: S1970CO023001

( Costilla, Colorado )

Print Date: Apr 18 2024 12:56AM

Sampled As	:	COSTILLA
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  70C0081

---

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	8D5	8A3a			5E
70C00515	0-10	A1	S																tr	0.45		2
70C00516	10-20	A2	S																tr	0.36		1
70C00517	20-36	B	S																tr	0.28		1
70C00518	36-68	Bk1	S																tr	0.37		1
70C00519	68-99	Bk2	S																tr	0.38		4
70C00520	99-137	Bk3	S																tr	0.41		14
70C00521	137-158	Bk4	S	0.9	1.4	11.9	0.2		3.4		2.7				6.1			25.4	tr	1.36		21	11

---

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
70C00515	0-10	A1	S		7.1	8.0
70C00516	10-20	A2	S		7.2	8.2
70C00517	20-36	B	S		7.5	8.3				tr
70C00518	36-68	Bk1	S		7.5	8.3				3
70C00519	68-99	Bk2	S		7.5	8.6				7
70C00520	99-137	Bk3	S		7.8	8.9				7
70C00521	137-158	Bk4	S		8.0	9.2	8.6			4

*** Primary Characterization Data ***

Pedon ID: S1970CO023001

( Costilla, Colorado )

Print Date: Apr 18 2024 12:56AM

Sampled As	:	COSTILLA
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  70C0081

---

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

70C00515

0-10

A1

S

10.0

70C00516

10-20

A2

S

10.0

70C00517

20-36

B

S

10.0

70C00518

36-68

Bk1

S

10.0

70C00520

99-137

Bk3

S

10.0

70C00521

137-158

Bk4

S

9.5

*** Primary Characterization Data ***

Pedon ID: S1970CO023001

( Costilla, Colorado )

Print Date: Apr 18 2024 12:56AM

Sampled As	:	COSTILLA
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  70C0081

---

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;

&nbsp;

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

70C00515

0.0-10.0

A1

tcly

MI 3

MT 1

KK 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

70C00517

20.0-36.0

B

tcly

MT 3

MI 2

KK 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

70C00520

99.0-137.0

Bk3

tcly

MT 5

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

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

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