*** Primary Characterization Data ***

Pedon ID: 80CO083002

( Montezuma, Colorado )

Print Date: Nov 13 2024 3:21PM

Sampled as on May 30, 1980:	Redlands ; Fine-loamy, mixed, mesic Typic Haplargid
Revised to correlated:	Mack ; Fine-loamy, mixed, superactive, mesic Typic Calciargids

				United States Department of Agriculture
SSL	-	Project	CP80CO255   LAPLATA, MONTEZUMA AND SAN MIGUEL COUNTIES	Natural Resources Conservation Service
	-	Site ID	S1980CO083002   Lat: 37° 15' 49.00" north  Long: 108° 56' 47.99" west  MLRA: 35	National Soil Survey Center
	-	Pedon No.	80P0371	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
80P01960	A1	A1	0-3				FSL	VFSL
80P01961	A2	A3	3-10				FSL	VFSL
80P01962	B	B1	10-18				FSL	VFSL
80P01963	Bt1	B21t	18-30				SCL	VFSL
80P01964	Bt2	B22t	30-46				SCL	SCL
80P01965	Btk	B23tca	46-69				SCL	SCL
80P01966	Bk1	B3ca	69-86				SCL	SCL
80P01967	Bk2	C1ca	86-117				SCL	VFSL
80P01968	2Cr1	2C2R	117-152				SCL	SCL
80P01969	2Cr2	2C3R	152-165				SCL	VFSL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.65	(NA)
Clay, carbonate free, Weighted Average	20	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	25	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	20	% wt
Weighted averages based on control section: 18-69 cm

*** Primary Characterization Data ***

Pedon ID: 80CO083002

( Montezuma, Colorado )

Print Date: Nov 13 2024 3:21PM

Sampled As	:	Redlands		Fine-loamy, mixed, mesic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  80P0371

---

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
80P01960	0-3	A1	S	vfsl	9.8	24.2	66.0			5.3	18.9	36.5	23.3	5.1	0.8	0.3	tr	tr	--	30	tr
80P01961	3-10	A2	S	vfsl	14.7	21.6	63.7			5.3	16.3	33.9	23.9	5.1	0.7	0.1	tr	tr	--	30	tr
80P01962	10-18	B	S	vfsl	15.6	19.2	65.2			4.5	14.7	33.4	25.0	5.9	0.7	0.2	tr	tr	--	32	tr
80P01963	18-30	Bt1	S	vfsl	18.9	17.0	64.1			4.5	12.5	32.5	25.3	5.3	0.7	0.3	tr	1	--	32	1
80P01964	30-46	Bt2	S	scl	20.6	19.2	60.2			4.5	14.7	32.5	22.5	4.6	0.5	0.1	tr	1	--	28	1
80P01965	46-69	Btk	S	scl	21.0	22.4	56.6		0.9	6.2	16.2	37.5	16.1	2.4	0.3	0.3	tr	--	--	19	tr
80P01966	69-86	Bk1	S	scl	26.2	24.5	49.3		10.8	10.6	13.9	31.1	15.3	2.4	0.5	tr	--	--	--	18	--
80P01967	86-117	Bk2	S	vfsl	15.9	14.9	69.2		1.4	4.1	10.8	39.6	25.9	2.9	0.5	0.3	1	2	1	32	4
80P01968	117-152	2Cr1	S	scl	24.1	27.0	48.9		2.8	11.1	15.9	25.9	8.8	3.5	4.7	6.0	7	18	20	58	45
80P01969	152-165	2Cr2	S	vfsl	19.2	21.8	59.0			9.0	12.8	34.4	16.7	2.7	2.7	2.5	5	6	9	40	20

---

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
80P01960	0-3	A1	S							4.0		1.010				0.85	0.41
80P01961	3-10	A2	S	1.59	1.63	0.008			8.0	5.0		1.015		0.05		0.69	0.34
80P01962	10-18	B	S							4.7		1.016				0.65	0.30
80P01963	18-30	Bt1	S	1.51	1.55	0.009			10.3	5.8		1.019		0.07		0.63	0.31
80P01964	30-46	Bt2	S							6.7		1.021				0.65	0.33
80P01965	46-69	Btk	S	1.60	1.70	0.020			15.2	7.4		1.021		0.12		0.63	0.35
80P01966	69-86	Bk1	S	1.62	1.69	0.014			12.5	7.9		1.015		0.07		0.36	0.30
80P01967	86-117	Bk2	S	1.63	1.68	0.010			10.5	6.0		1.013		0.07		0.52	0.38
80P01968	117-152	2Cr1	S	1.62	1.67	0.007			12.7	7.0		1.014		0.06		0.37	0.29
80P01969	152-165	2Cr2	S	1.71	1.77	0.010			11.1	5.7		1.010		0.08		0.37	0.30

*** Primary Characterization Data ***

Pedon ID: 80CO083002

( Montezuma, Colorado )

Print Date: Nov 13 2024 3:21PM

Sampled As	:	Redlands		Fine-loamy, mixed, mesic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  80P0371

---

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
80P01963	18-30	Bt1	S	21	4
80P01965	46-69	Btk	S	26	8
80P01968	117-152	2Cr1	S	29	13

---

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 - - - - -)
					6B1b			6A1c		6C2b	6G7a
80P01960	0-3	A1	S		0.054			0.65	12	0.5	tr
80P01961	3-10	A2	S		0.040			0.34	9	0.6	tr
80P01962	10-18	B	S		0.035			0.30	8	0.6	tr
80P01963	18-30	Bt1	S		0.041			0.36	9	0.7	0.1
80P01964	30-46	Bt2	S		0.042			0.33	8	0.7	0.1
80P01965	46-69	Btk	S					0.07		0.6	tr
80P01966	69-86	Bk1	S					0.35		0.3	--
80P01967	86-117	Bk2	S					0.11		0.4	tr
80P01968	117-152	2Cr1	S					0.14		0.9	--
80P01969	152-165	2Cr2	S					0.09		0.2	--

*** Primary Characterization Data ***

Pedon ID: 80CO083002

( Montezuma, Colorado )

Print Date: Nov 13 2024 3:21PM

Sampled As	:	Redlands		Fine-loamy, mixed, mesic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  80P0371

---

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		6H2b				5A8a			5C3	5C1
80P01960	0-3	A1	S	7.9*	2.4	0.1	0.7		0.3				8.3			97	100
80P01961	3-10	A2	S	9.0*	2.6	0.2	0.9		--				10.1			100	100
80P01962	10-18	B	S	8.4*	2.6	tr	0.7		0.1				10.2			99	100
80P01963	18-30	Bt1	S	11.1*	3.7	tr	0.7		--				12.0			100	100
80P01964	30-46	Bt2	S	14.4*	4.9	tr	0.6						13.4			100	100
80P01965	46-69	Btk	S	38.2*	6.9	0.2	0.4						13.3			100	100
80P01966	69-86	Bk1	S	40.5*	6.7	1.3	0.2						9.4			100	100
80P01967	86-117	Bk2	S	37.2*	6.9	2.6	0.2						8.3			100	100
80P01968	117-152	2Cr1	S	35.7*	6.8	7.6	0.3						9.0			100	100
80P01969	152-165	2Cr2	S	25.5*	5.1	5.1	0.3						7.1			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	8A1a	4F1a1a1		5E
80P01960	0-3	A1	S																		0.20	1
80P01961	3-10	A2	S																		0.10	2
80P01962	10-18	B	S																		0.10	--
80P01963	18-30	Bt1	S																		0.13	--
80P01964	30-46	Bt2	S																		0.13	--
80P01965	46-69	Btk	S																		0.16	2
80P01966	69-86	Bk1	S	0.2	0.3	4.5		--	4.2	0.1	0.3				0.7	--	--	34.2	tr	0.50	0.27	12	9
80P01967	86-117	Bk2	S	0.3	0.2	7.8	tr	--	3.7	0.2	0.7				3.1	--	--	36.5	tr	0.83	0.43	28	16
80P01968	117-152	2Cr1	S	15.3	18.6	77.1	tr	--	1.3	1.2	16.3				105.0	--	--	41.0	0.3	7.99	2.58	49	19
80P01969	152-165	2Cr2	S	16.1	20.4	73.6	0.1	--	0.5	1.2	17.8				98.4	--	--	35.5	0.2	7.98	2.66	35	17

*** Primary Characterization Data ***

Pedon ID: 80CO083002

( Montezuma, Colorado )

Print Date: Nov 13 2024 3:21PM

Sampled As	:	Redlands		Fine-loamy, mixed, mesic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  80P0371

---

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
					8C1e	8C1a	8C1b			6E1b		6F1c		8E1
80P01960	0-3	A1	S		7.2	7.8				tr
80P01961	3-10	A2	S		7.4	8.1				tr
80P01962	10-18	B	S		7.4	8.0				tr
80P01963	18-30	Bt1	S		7.7	8.2				--
80P01964	30-46	Bt2	S		7.7	8.3				tr
80P01965	46-69	Btk	S		7.9	8.5				4
80P01966	69-86	Bk1	S		8.4	9.1	8.6			22
80P01967	86-117	Bk2	S		8.6	9.6	9.0			6				2700
80P01968	117-152	2Cr1	S		8.5	8.7	8.3			12		--
80P01969	152-165	2Cr2	S		8.5	8.6	8.4			2		--

*** Primary Characterization Data ***

Pedon ID: 80CO083002

( Montezuma, Colorado )

Print Date: Nov 13 2024 3:21PM

Sampled As	:	Redlands		Fine-loamy, mixed, mesic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  80P0371

---

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

7A3b

7C3

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

80P01961

3.0-10.0

A2

tcly

KK 3

MI 3

MT 2

QZ 1

80P01963

18.0-30.0

Bt1

tcly

KK 3

MI 3

MT 2

QZ 1

KK 22

6.3

3.1

80P01965

46.0-69.0

Btk

tcly

MT 3

KK 3

MI 3

CA 2

CL 1

KK 16

6.0

2.2

QZ 1

80P01968

117.0-152.0

2Cr1

tcly

KK 5

MT 3

MI 3

PG 2

GE 1

KK 24

4.3

2.1

QZ 1

CA 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	CL Chlorite	GE Goethite	KK Kaolinite	MI Mica
MT Montmorillonite	PG Palygorskite	QZ Quartz

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 80CO083002

( Montezuma, Colorado )

Print Date: Nov 13 2024 3:21PM

Sampled As	:	Redlands		Fine-loamy, mixed, mesic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  80P0371

---

Sand - Silt Mineralogy (2.0-0.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Optical

EGME

Inter

Tot Re

Grain Count

Retn

preta

Depth

Fract

7B1a2

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

80P01960

0.0-3.0

A1

vfs

80

QZ 79

FK 17

OP 1

FP 1

BT tr

KK tr

MS tr

HN tr

EP tr

GN tr

TM tr

80P01961

3.0-10.0

A2

vfs

74

QZ 73

FK 23

OP 1

FP 1

MS 1

BT 1

GM 1

GN tr

ZR tr

HN tr

80P01962

10.0-18.0

B

vfs

76

QZ 75

FK 21

GM 2

MS 1

OP 1

ZR tr

BT tr

TM tr

EP tr

GN tr

80P01963

18.0-30.0

Bt1

vfs

76

QZ 75

FK 18

GM 2

AR 2

FP 1

ZR 1

BT 1

OP tr

MS tr

TM tr

HN tr

KK tr

80P01964

30.0-46.0

Bt2

vfs

78

QZ 76

FK 21

OP 2

MS 1

HN tr

BT tr

GN tr

GM tr

ZR tr

EP tr

FP tr

80P01965

46.0-69.0

Btk

vfs

75

QZ 74

FK 21

OP 1

MS 1

BT 1

CB 1

GM 1

CA tr

EP tr

HN tr

FP tr

GN tr

80P01966

69.0-86.0

Bk1

vfs

71

QZ 70

FK 17

CB 8

AR 2

OP 1

BT 1

*** Primary Characterization Data ***

Pedon ID: 80CO083002

( Montezuma, Colorado )

Print Date: Nov 13 2024 3:21PM

Sampled As	:	Redlands		Fine-loamy, mixed, mesic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  80P0371

---

Sand - Silt Mineralogy (2.0-0.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Optical

EGME

Inter

Tot Re

Grain Count

Retn

preta

Depth

Fract

7B1a2

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

FP 1

HN 1

CA tr

GN tr

MS tr

EP tr

ZR tr

80P01967

86.0-117.0

Bk2

vfs

71

QZ 70

FK 22

CA 2

AR 2

OP 1

BT 1

CB 1

MS 1

EP tr

FP tr

HN tr

TM tr

GM tr

80P01968

117.0-152.0

2Cr1

vfs

78

QZ 78

CB 11

FK 10

OP tr

CA tr

ZR tr

MS tr

TM tr

HN tr

80P01969

152.0-165.0

2Cr2

vfs

88

QZ 87

FK 10

OP 1

CA 1

MS 1

CB tr

EP tr

BT tr

ZR tr

AR tr

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm

MINERAL INTERPRETATION:
AR Weatherable Aggregates	BT Biotite	CA Calcite	CB Carbonate Aggregates	EP Epidote
FK Potassium Feldspar	FP Plagioclase Feldspar	GM Glassy Materials	GN Garnet	HN Hornblende
KK Kaolinite	MS Muscovite	OP Opaques	QZ Quartz	TM Tourmaline
ZR Zircon