*** Primary Characterization Data ***

Pedon ID: S1972CO051003

( Gunnison, Colorado )

Print Date: Dec 4 2024 3:10AM

Sampled as on May 30, 1972:	MINNEQUA
Revised to SSL:	(unnamed) ; Fine-silty, mixed (calcareous), mesic Ustic Torriorthent

				United States Department of Agriculture
SSL	-	Project	NL72CO004   EL PASO - PUEBLO	Natural Resources Conservation Service
	-	Site ID	S1972CO051003	National Soil Survey Center
	-	Pedon No.	72C0033	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
72C00188	A	A1	0-11	72188			L	L
72C00189	AC	AC	11-35	72189			L	L
72C00190	C1	C 1	35-58	72190			SIL	L
72C00191	C2	C 2	58-73	72191			L	L
72C00192	C3	C 3	73-102	72192				FSL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	1.26	(NA)
Clay, carbonate free, Weighted Average	11	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	59	% wt
Volume, >2mm, Weighted Average	36	% vol
Clay, total, Weighted Average	16	% wt
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	3B1	3B1	3B1
72C00188	0-11	A	S	l	14.3	38.7	47.0		4.0	15.4	23.3	28.9	9.5	1.7	3.0	3.9	4	9	3	31	16
72C00189	11-35	AC	S	l	20.3	40.2	39.5		6.0	17.3	22.9	26.7	7.4	1.2	2.0	2.2	1	9	4	25	14
72C00190	35-58	C1	S	l	23.7	44.8	31.5		9.0	19.6	25.2	22.1	5.1	0.9	1.4	2.0	2	26	28	60	56
72C00191	58-73	C2	S	l	24.5	42.5	33.0		10.0	19.4	23.1	20.5	5.9	1.6	2.2	2.8	4	21	7	41	32
72C00192	73-102	C3	S	fsl	3.4	48.5	48.1			41.5	7.0	9.4	9.2	4.9	9.1	15.5	9	33	25	80	67

*** Primary Characterization Data ***

Pedon ID: S1972CO051003

( Gunnison, Colorado )

Print Date: Dec 4 2024 3:10AM

Sampled As	:	MINNEQUA
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  72C0033

---

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
72C00188	0-11	A	S	1.29	1.34	0.012		27.3	23.5	8.3		1.024		0.18		0.87	0.58
72C00189	11-35	AC	S							9.8		1.024				0.66	0.48
72C00190	35-58	C1	S	1.39	1.47	0.011		28.1	23.9	9.7		1.021		0.12		0.57	0.41
72C00191	58-73	C2	S	1.28	1.31	0.006		33.8	25.0	10.5		1.021		0.15		0.52	0.43
72C00192	73-102	C3	S							11.8		1.021				1.88	3.47

---

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
72C00188	0-11	A	S		0.092			0.93	10
72C00189	11-35	AC	S		0.086			0.72	8
72C00190	35-58	C1	S		0.071			0.60	8
72C00191	58-73	C2	S		0.056			0.45	8
72C00192	73-102	C3	S					0.29

---

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
72C00188	0-11	A	S	25.3*	1.6	0.6	1.7						12.5			100	100
72C00189	11-35	AC	S	25.4*	2.2	0.6	1.9						13.4			100	100
72C00190	35-58	C1	S	23.2*	3.1	0.9	0.9						13.6			100	100
72C00191	58-73	C2	S	21.2*	3.7	1.3	0.6						12.8			100	100
72C00192	73-102	C3	S	90.5*	4.8	3.3	0.2						6.4			100	100

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

*** Primary Characterization Data ***

Pedon ID: S1972CO051003

( Gunnison, Colorado )

Print Date: Dec 4 2024 3:10AM

Sampled As	:	MINNEQUA
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  72C0033

---

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
72C00188	0-11	A	S	6.1	1.5	0.3	1.3		3.5		0.3				3.1			40.3	tr	0.95		5	tr
72C00189	11-35	AC	S	3.4	0.9	0.3	1.2		2.8		0.3							46.6	tr	0.60		4	tr
72C00190	35-58	C1	S	3.4	1.6	1.9	0.3		2.3		1.0				2.9			49.7	tr	0.70		6	1
72C00191	58-73	C2	S	4.1	2.2	5.2	0.1		2.3		3.4				5.1			48.4	tr	1.18		8	3
72C00192	73-102	C3	S	25.5	31.8	41.1	0.3		4.6		12.4				63.1			42.4	0.2	6.96		24	8

---

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
72C00188	0-11	A	S		7.6	8.0	7.7			23
72C00189	11-35	AC	S		7.6	8.1	7.8			23
72C00190	35-58	C1	S		7.6	8.1	7.7			24
72C00191	58-73	C2	S		7.7	8.3	7.8			32
72C00192	73-102	C3	S		7.9	8.1	7.7			60		13

---

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

72C00188

0-11

A

S

8.9

72C00189

11-35

AC

S

9.1

72C00190

35-58

C1

S

9.0

72C00191

58-73

C2

S

9.1

72C00192

73-102

C3

S

8.4

*** Primary Characterization Data ***

Pedon ID: S1972CO051003

( Gunnison, Colorado )

Print Date: Dec 4 2024 3:10AM

Sampled As	:	MINNEQUA
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  72C0033

---

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

72C00188

0.0-11.0

A

tcly

MT 2

MI 2

KK 2

72C00190

35.0-58.0

C1

tcly

MT 2

MI 2

KK 2

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