*** Primary Characterization Data ***

Pedon ID: 92CO049002

( Grand, Colorado )

Print Date: Nov 12 2024 8:22AM

Sampled as on Jun 23, 1992:	Cowdrey ; Fine, montmorillonitic Typic Cryoboralfs
Revised to correlated on May 1, 1998:	(unnamed) ; Fine-loamy, mixed, superactive Mollic Cryoboralf

				United States Department of Agriculture
SSL	-	Project	CP92CO225   COLO ASPEN REGEN	Natural Resources Conservation Service
	-	Site ID	S1992CO049002   Lat: 40° 17' 39.00" north  Long: 106° 25' 21.00" west  MLRA: 48A	National Soil Survey Center
	-	Pedon No.	92P0814	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
92P05009	Oi	Oi	5-0
92P05010	E	E	0-13				L	L
92P05011	BEt	BEt	13-28				C	L
92P05012	Bt1	Bt1	28-53				C	CL
92P05013	Bt2	Bt2	53-85				C	L
92P05014	Bt31	Bt3(1)	85-120				C	SCL
92P05015	Bt32	Bt3(2)	120-150				C	CL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	1.02	(NA)
Clay, carbonate free, Weighted Average	29	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	44	% wt
Volume, >2mm, Weighted Average	13	% vol
Clay, total, Weighted Average	29	% wt
Weighted averages based on control section: 13-63 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
92P05009	5-0	Oi	S														1	1	1
92P05010	0-13	E	S	l	13.3	43.5	43.2	3.2		25.1	18.4	16.4	13.1	6.8	4.7	2.2	4	4	--	33	8
92P05011	13-28	BEt	S	l	22.8	33.4	43.8	8.6		20.3	13.1	15.3	10.2	6.2	6.6	5.5	9	16	14	56	39
92P05012	28-53	Bt1	S	cl	34.0	26.6	39.4	15.7		15.7	10.9	12.1	11.9	7.3	5.0	3.1	3	3	3	34	9
92P05013	53-85	Bt2	S	l	23.7	28.9	47.4	10.4		16.1	12.8	14.7	12.1	7.0	7.4	6.2	5	8	11	50	24
92P05014	85-120	Bt31	S	scl	30.2	19.4	50.4	18.8		12.4	7.0	10.1	15.7	12.4	8.7	3.5	4	7	--	47	11
92P05015	120-150	Bt32	S	cl	33.5	33.9	32.6	16.1		19.7	14.2	14.4	8.2	5.1	3.2	1.7	2	1	3	23	6

*** Primary Characterization Data ***

Pedon ID: 92CO049002

( Grand, Colorado )

Print Date: Nov 12 2024 8:22AM

Sampled As	:	Cowdrey		Fine, montmorillonitic Typic Cryoboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  92P0814

---

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	4B2b	3D1		4C1		8D1	8D1
92P05009	5-0	Oi	S							91.9		1.076
92P05009	5-0	Oi	M								110.7
92P05010	0-13	E	S	1.41	1.45	0.009			21.1	8.0		1.012		0.18		1.20	0.60
92P05011	13-28	BEt	S	1.35	1.41	0.011			17.2	11.3		1.018		0.06		0.90	0.50
92P05012	28-53	Bt1	S	1.37	1.59	0.048		32.8	28.3	16.5		1.030		0.15		0.94	0.49
92P05013	53-85	Bt2	S	1.29	1.48	0.040			32.8	16.4		1.034		0.18		1.42	0.69
92P05014	85-120	Bt31	S	1.48	1.89	0.078			25.7	17.0		1.028		0.12		0.94	0.56
92P05015	120-150	Bt32	S	1.48	1.87	0.078			25.2	15.8		1.025		0.13		0.80	0.47

---

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

92P05010

0-13

E

S

11.8

92P05012

28-53

Bt1

S

21.6

---

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				6A1c
92P05009	5-0	Oi	S	36.81				43.02
92P05010	0-13	E	S	1.28				1.22
92P05011	13-28	BEt	S	0.70				0.74
92P05012	28-53	Bt1	S	0.59				0.46
92P05013	53-85	Bt2	S	0.36				0.36
92P05014	85-120	Bt31	S	0.19				0.18
92P05015	120-150	Bt32	S	0.20				0.19

*** Primary Characterization Data ***

Pedon ID: 92CO049002

( Grand, Colorado )

Print Date: Nov 12 2024 8:22AM

Sampled As	:	Cowdrey		Fine, montmorillonitic Typic Cryoboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  92P0814

---

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
92P05009	5-0	Oi	S	98.4	13.6	0.3	6.0		39.4				112.2
92P05010	0-13	E	S	9.7	2.1	0.1	1.3	13.2	5.2			18.4	15.9			72	83
92P05011	13-28	BEt	S	13.3	3.4	0.1	0.9	17.7	5.3			23.0	20.6			77	86
92P05012	28-53	Bt1	S	21.1	6.9	0.1	1.2	29.3	5.1			34.4	31.8			85	92
92P05013	53-85	Bt2	S	22.5	8.1	0.1	0.8	31.5	5.0			36.5	33.7			86	93
92P05014	85-120	Bt31	S	18.3*	9.7	0.2	1.5	29.7	2.6			32.3	28.4			92	100
92P05015	120-150	Bt32	S	17.8*	8.2	0.1	0.6	26.7	3.1			29.8	26.8			90	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 - -)

%

92P05010

0-13

E

S

1

92P05011

13-28

BEt

S

tr

92P05012

28-53

Bt1

S

tr

92P05013

53-85

Bt2

S

tr

92P05014

85-120

Bt31

S

1

92P05015

120-150

Bt32

S

tr

*** Primary Characterization Data ***

Pedon ID: 92CO049002

( Grand, Colorado )

Print Date: Nov 12 2024 8:22AM

Sampled As	:	Cowdrey		Fine, montmorillonitic Typic Cryoboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  92P0814

---

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

92P05009

5-0

Oi

S

5.2

5.4

92P05010

0-13

E

S

5.2

6.0

92P05011

13-28

BEt

S

5.3

6.1

92P05012

28-53

Bt1

S

5.3

6.0

92P05013

53-85

Bt2

S

5.5

6.2

92P05014

85-120

Bt31

S

5.6

6.2

92P05015

120-150

Bt32

S

5.6

6.3

---

Organic				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-
				Mineral	OM	OM+	(- Total -)			Fiber Content		NaPyro	Decomp	Limnic	(- - pH - -)		(- - Bulk Density - -)			Proj
	Depth			Content	TC*1.724	Min	C	N	C/N	Unrub	Rub	Color	State	Matter	CaCl2	H2O	33 kPa	33 kPa rewet	OD	Subs
Layer	(cm)	Horz	Prep	(- - - - - - - - % - - - - - - - -)					ratio	% (by vol)								g cm-3		cm cm-1
				5A			6A2d									4C1a2a
92P05009	5-0	Oi	S	28			36.81									5.4
92P05010	0-13	E	S				1.28									6.0				4
92P05011	13-28	BEt	S				0.70									6.1				25
92P05012	28-53	Bt1	S				0.59									6.0				5
92P05013	53-85	Bt2	S				0.36									6.2				14
92P05014	85-120	Bt31	S				0.19									6.2				6
92P05015	120-150	Bt32	S				0.20									6.3				3

*** Primary Characterization Data ***

Pedon ID: 92CO049002

( Grand, Colorado )

Print Date: Nov 12 2024 8:22AM

Sampled As	:	Cowdrey		Fine, montmorillonitic Typic Cryoboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  92P0814

---

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
92P05012	28.0-53.0	Bt1	tcly	MT 4	KK 2	MI 1	LE 1	QZ 1						18	9.3			1.0

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	LE Lepidocrocite	MI Mica	MT Montmorillonite	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: 92CO049002

( Grand, Colorado )

Print Date: Nov 12 2024 8:22AM

Sampled As	:	Cowdrey		Fine, montmorillonitic Typic Cryoboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  92P0814

---

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

92P05012

28.0-53.0

Bt1

vfs

58

QZ 44

FK 26

CD 9

FP 7

PR 5

FE 4

GS 2

BT 1

OP 1

MS 1

TM tr

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

MINERAL INTERPRETATION:
BT Biotite	CD Chert (Chalcedony	FE Iron Oxides (Goethite	FK Potassium Feldspar	FP Plagioclase Feldspar
GS Glass	MS Muscovite	OP Opaques	PR Pyroxene	QZ Quartz
TM Tourmaline