*** Primary Characterization Data ***

Pedon ID: 93CO083001

( Montezuma, Colorado )

Print Date: Dec 17 2024 8:19PM

Sampled as on Oct 19, 1993:	Hesperus ; Fine-loamy, mixed, mesic Pachic Argiboroll
Revised to correlated:	Hesperus ; Fine-loamy, mixed, superactive, frigid Pachic Argiborolls

				United States Department of Agriculture
SSL	-	Project	CP93CO176   CORTEZ	Natural Resources Conservation Service
	-	Site ID	S1993CO083001   Lat: 37° 14' 18.00" north  Long: 108° 23' 36.00" west  MLRA: 48A	National Soil Survey Center
	-	Pedon No.	93P0643	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
93P04518	A1	A1	0-8				FSL	L
93P04519	A2	A2	8-16				SL	VFSL
93P04520	Bt	Bt	16-42				L	L
93P04521	Btk1	Btk1	42-65				L	L
93P04522	Btk2	Btk2	65-92				CL	CL
93P04523	Btk3	Btk3	92-104				CL	CL
93P04524	Btk4	Btk4 (1)	104-150				CL	CL
93P04525	Btk4	Btk4 (2)	150-187				CL	CL
93P04526	Btk5	Btk5 (1)	187-200				CL	CL
93P04527	Btk5	Btk5 (2)	200-300				CL	CL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.66	(NA)
Clay, carbonate free, Weighted Average	24	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	18	% wt
Volume, >2mm, Weighted Average	3	% vol
Clay, total, Weighted Average	24	% wt
Weighted averages based on control section: 8-58 cm

*** Primary Characterization Data ***

Pedon ID: 93CO083001

( Montezuma, Colorado )

Print Date: Dec 17 2024 8:19PM

Sampled As	:	Hesperus		Fine-loamy, mixed, mesic Pachic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  93P0643

---

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	3A1a1a	3B1	3B1	3B1
93P04518	0-8	A1	S	l	22.0	33.6	44.4	10.7		15.2	18.4	31.2	9.8	2.2	1.0	0.2	6	5	--	23	11
93P04519	8-16	A2	S	vfsl	19.3	26.0	54.7	8.6		11.6	14.4	35.9	12.9	2.4	1.6	1.9	5	12	4	37	21
93P04520	16-42	Bt	S	l	23.9	31.7	44.4	12.3		15.9	15.8	31.8	10.7	1.4	0.3	0.2	1	1	--	14	2
93P04521	42-65	Btk1	S	l	26.1	31.3	42.6	13.5		13.4	17.9	29.7	11.1	1.3	0.4	0.1	1	1	--	16	2
93P04522	65-92	Btk2	S	cl	28.5	39.2	32.3	12.5		20.0	19.2	23.7	6.8	1.1	0.5	0.2	1	2	--	11	3
93P04523	92-104	Btk3	S	cl	29.3	37.7	33.0	13.4	1.6	20.5	17.2	24.2	7.6	0.9	0.2	0.1	1	tr	--	10	1
93P04524	104-150	Btk4	S	cl	29.5	34.7	35.8		1.3	19.3	15.4	25.6	8.2	1.3	0.6	0.1	1	1	--	12	2
93P04525	150-187	Btk4	S	cl	27.0	36.7	36.3		1.5	18.3	18.4	27.0	8.2	0.8	0.2	0.1	4	tr	--	13	4
93P04526	187-200	Btk5	S	cl	27.3	38.0	34.7		1.8	19.6	18.4	27.6	6.0	0.7	0.3	0.1	1	2	--	10	3
93P04527	200-300	Btk5	S	cl	34.2	39.5	26.3		2.1	23.9	15.6	21.5	4.5	0.2	0.1	--	tr	tr	--	5	tr

---

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
93P04518	0-8	A1	S							10.2		1.016				0.82	0.46
93P04519	8-16	A2	S	1.29	1.38	0.020			21.6	8.1		1.012		0.15		0.64	0.42
93P04520	16-42	Bt	S	1.22	1.29	0.019			16.7	10.0		1.015		0.08		0.70	0.42
93P04521	42-65	Btk1	S	1.40	1.47	0.016			14.1	10.7		1.015		0.05		0.61	0.41
93P04522	65-92	Btk2	S	1.32	1.48	0.038			21.4	12.1		1.018		0.12		0.65	0.42
93P04523	92-104	Btk3	S	1.34	1.45	0.026			18.2	12.5		1.017		0.08		0.61	0.43
93P04524	104-150	Btk4	S	1.43	1.53	0.023			15.1	12.8		1.017		0.03		0.57	0.43
93P04525	150-187	Btk4	S	1.48	1.57	0.019			15.1	12.4		1.014		0.04		0.53	0.46
93P04526	187-200	Btk5	S							12.9		1.014				0.47	0.47
93P04527	200-300	Btk5	S							14.8		1.018				0.53	0.43

*** Primary Characterization Data ***

Pedon ID: 93CO083001

( Montezuma, Colorado )

Print Date: Dec 17 2024 8:19PM

Sampled As	:	Hesperus		Fine-loamy, mixed, mesic Pachic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  93P0643

---

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 - - - - - - - - - - - - - - - - - - - - - -)

3C1e1a

93P04518

0-8

A1

S

13.4

93P04519

8-16

A2

S

10.5

93P04520

16-42

Bt

S

12.4

93P04521

42-65

Btk1

S

12.8

93P04522

65-92

Btk2

S

14.0

93P04523

92-104

Btk3

S

15.1

93P04524

104-150

Btk4

S

15.5

93P04525

150-187

Btk4

S

15.7

93P04526

187-200

Btk5

S

15.8

93P04527

200-300

Btk5

S

17.4

---

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 - - - - -)
				6A2d	6B4a			6A1c
93P04518	0-8	A1	S	2.82	0.268			2.80	10
93P04519	8-16	A2	S	1.68	0.142			1.32	9
93P04520	16-42	Bt	S	1.49	0.149			1.53	10
93P04521	42-65	Btk1	S	1.00	0.113			0.96	8
93P04522	65-92	Btk2	S	1.45				1.28
93P04523	92-104	Btk3	S	1.47				1.23
93P04524	104-150	Btk4	S	1.39				1.06
93P04525	150-187	Btk4	S	1.28				0.77
93P04526	187-200	Btk5	S	1.53				0.67
93P04527	200-300	Btk5	S	1.61				1.14

*** Primary Characterization Data ***

Pedon ID: 93CO083001

( Montezuma, Colorado )

Print Date: Dec 17 2024 8:19PM

Sampled As	:	Hesperus		Fine-loamy, mixed, mesic Pachic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  93P0643

---

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			5A3a	5A8b			5C3	5C1
93P04518	0-8	A1	S	18.5*	4.5	0.2	1.1		0.3				18.0			99	100
93P04519	8-16	A2	S	28.3*	3.6	0.2	0.7		--				12.3			100	100
93P04520	16-42	Bt	S	16.5*	2.3	0.2	0.7	19.7	0.1			19.8	16.7			99	100
93P04521	42-65	Btk1	S	15.6*	3.0	0.3	0.8	19.7				19.7	15.9			100	100
93P04522	65-92	Btk2	S	34.8*	5.1	0.2	0.7						18.5			100	100
93P04523	92-104	Btk3	S	40.2*	6.6	0.2	0.8						18.0			100	100
93P04524	104-150	Btk4	S	41.6*	7.6	0.1	1.1						16.8			100	100
93P04525	150-187	Btk4	S	40.5*	8.0	0.1	1.0						14.2			100	100
93P04526	187-200	Btk5	S	40.9*	7.7	0.1	0.8						12.7			100	100
93P04527	200-300	Btk5	S	43.8*	9.9	0.2	0.6						18.1			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	8A3a	4F1a1a1		5E
93P04518	0-8	A1	S	7.8	3.1	0.2	1.4	--	10.5	0.6	0.7				0.3	tr	tr	50.8	tr	1.07	0.30	1	tr
93P04519	8-16	A2	S	6.1	1.8	0.1	0.8	--	7.3	0.2	0.3				0.2	--	--	37.9	tr	0.78	0.26	2	tr
93P04520	16-42	Bt	S																		0.19	1
93P04521	42-65	Btk1	S																		0.18	2
93P04522	65-92	Btk2	S																		0.21	1
93P04523	92-104	Btk3	S																		0.21	1
93P04524	104-150	Btk4	S																		0.22	1
93P04525	150-187	Btk4	S																		0.23	1
93P04526	187-200	Btk5	S																		0.22	1
93P04527	200-300	Btk5	S																		0.23	1

*** Primary Characterization Data ***

Pedon ID: 93CO083001

( Montezuma, Colorado )

Print Date: Dec 17 2024 8:19PM

Sampled As	:	Hesperus		Fine-loamy, mixed, mesic Pachic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  93P0643

---

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
93P04518	0-8	A1	S		7.1	7.6	7.2			1
93P04519	8-16	A2	S		7.4	8.0	7.4			4
93P04520	16-42	Bt	S		7.4	8.0				tr
93P04521	42-65	Btk1	S		7.5	8.2				tr
93P04522	65-92	Btk2	S		7.6	8.3				1
93P04523	92-104	Btk3	S		7.6	8.4				2
93P04524	104-150	Btk4	S		7.7	8.4				3
93P04525	150-187	Btk4	S		7.8	8.4				4
93P04526	187-200	Btk5	S		7.9	8.5				8
93P04527	200-300	Btk5	S		7.7	8.3				4

---

Phosphorus

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

(- - - - - - - - - - - - - - - - - - - - - - - Phosphorus - - - - - - - - - - - - - - - - - - - - -)

KCl

Melanic

NZ

Acid

Anion Exch Resin

Bray

Bray

Olsen

H2O

Citric

Mehlich

Extr

Depth

Index

Oxal

Available

Capacity

1

2

Acid

III

NO3

Layer

(cm)

Horz

Prep

%

(- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -)

6S3

93P04518

0-8

A1

S

18.0

93P04519

8-16

A2

S

30.0

93P04520

16-42

Bt

S

7.0

93P04521

42-65

Btk1

S

7.0

*** Primary Characterization Data ***

Pedon ID: 93CO083001

( Montezuma, Colorado )

Print Date: Dec 17 2024 8:19PM

Sampled As	:	Hesperus		Fine-loamy, mixed, mesic Pachic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  93P0643

---

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									7C3								tion
Layer	(cm)	Horz	ion	( - - - - - - - - - peak size - - - - - - - - - - )					(- - - - - - - - - % - - - - - - - - - -)				(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)							mg g-1
93P04518	0.0-8.0	A1	tcly	KK 3	MI 2	MT 1	QZ 1							15	6.0			2.8
93P04520	16.0-42.0	Bt	tcly	KK 3	MI 3	VM 2	QZ 1							19	6.3			3.0

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MT Montmorillonite	QZ Quartz	VM Vermiculite-Mica

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 93CO083001

( Montezuma, Colorado )

Print Date: Dec 17 2024 8:19PM

Sampled As	:	Hesperus		Fine-loamy, mixed, mesic Pachic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  93P0643

---

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
93P04520	16.0-42.0	Bt	vfs										82	QZ 71	FK 17	CD 9	FE 2	MS tr	BT tr
														AM tr	PR tr	GN tr

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

MINERAL INTERPRETATION:
AM Amphibole	BT Biotite	CD Chert (Chalcedony	FE Iron Oxides (Goethite	FK Potassium Feldspar
GN Garnet	MS Muscovite	PR Pyroxene	QZ Quartz