*** Primary Characterization Data ***

Pedon ID: 87CO093002

( Park, Colorado )

Print Date: Nov 11 2024 9:29PM

Sampled as on May 30, 1987:	Cheadle ; Loamy-skeletal, mixed Lithic Cryoborolls
Revised to correlated on Jun 24, 2011:	(unnamed) ; Loamy-skeletal, mixed, superactive Lithic Calcicryept

				United States Department of Agriculture
SSL	-	Project	CP87CO238   SAN ISABEL NATIONAL FOREST	Natural Resources Conservation Service
	-	Site ID	S1987CO093002   Lat: 38° 59' 10.99" north  Long: 105° 58' 59.16" west  MLRA: 48B	National Soil Survey Center
	-	Pedon No.	87P0721	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
87P03889	A1	A1	0-3				FSL	LS
87P03890	A2	A2	3-13				FSL	FSL
87P03891	Bw	Bw	13-20				VFSL	VFSL
87P03892	C	C	20-30				VFSL	VFSL
87P03893	R	R	30-56

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	1.09	(NA)
Clay, carbonate free, Weighted Average	5	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	90	% wt
Volume, >2mm, Weighted Average	78	% vol
Clay, total, Weighted Average	5	% wt
Weighted averages based on control section: 0-30 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
87P03889	0-3	A1	S	ls	3.6	21.1	75.3		--	7.3	13.8	32.5	15.3	9.8	8.5	9.2	3	9	64	86	78
87P03890	3-13	A2	S	fsl	4.6	23.4	72.0		0.3	8.3	15.1	30.6	15.7	9.8	7.8	8.1	4	8	63	85	77
87P03891	13-20	Bw	S	vfsl	6.3	32.5	61.2		0.3	10.8	21.7	39.3	9.9	4.1	4.3	3.6	4	8	76	91	89
87P03892	20-30	C	S	vfsl	5.7	29.7	64.6		0.6	10.0	19.7	49.9	7.5	2.0	2.9	2.3	2	7	85	95	97
87P03893	30-56	R	S														--	--	--

*** Primary Characterization Data ***

Pedon ID: 87CO093002

( Park, Colorado )

Print Date: Nov 11 2024 9:29PM

Sampled As	:	Cheadle		Loamy-skeletal, mixed Lithic Cryoborolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0721

---

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
87P03889	0-3	A1	S							3.9		1.005				1.61	1.08
87P03890	3-13	A2	S	1.51	1.59	0.006			13.2	3.4		1.004		0.05		1.09	0.74
87P03891	13-20	Bw	S							5.3		1.005				0.94	0.84
87P03892	20-30	C	S							5.7		1.004				0.82	1.00
87P03893	30-56	R	GP							2.2		1.002

---

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

87P03889

0-3

A1

S

0.115

1.39

12

0.8

tr

87P03890

3-13

A2

S

0.070

0.68

10

0.8

tr

87P03891

13-20

Bw

S

0.107

1.01

9

1.0

tr

87P03892

20-30

C

S

0.89

---

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

87P03889

0-3

A1

S

28.7*

0.5

--

0.4

5.8

100

100

87P03890

3-13

A2

S

38.8*

0.4

tr

0.2

5.0

100

100

87P03891

13-20

Bw

S

38.7*

0.4

tr

0.2

5.9

100

100

87P03892

20-30

C

S

41.0*

0.4

tr

0.1

4.7

100

100

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

*** Primary Characterization Data ***

Pedon ID: 87CO093002

( Park, Colorado )

Print Date: Nov 11 2024 9:29PM

Sampled As	:	Cheadle		Loamy-skeletal, mixed Lithic Cryoborolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0721

---

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 - -)

%

87P03889

0-3

A1

S

--

87P03890

3-13

A2

S

--

87P03891

13-20

Bw

S

--

87P03892

20-30

C

S

--

---

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				6E1g
87P03889	0-3	A1	S		7.5	8.0				10
87P03890	3-13	A2	S		7.6	8.1				10
87P03891	13-20	Bw	S		7.6	8.1				11
87P03892	20-30	C	S		7.7	8.2				16
87P03893	30-56	R	GP		8.0	8.7				10

*** Primary Characterization Data ***

Pedon ID: 87CO093002

( Park, Colorado )

Print Date: Nov 11 2024 9:29PM

Sampled As	:	Cheadle		Loamy-skeletal, mixed Lithic Cryoborolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0721

---

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

7A4b

7C3

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

87P03889

0.0-3.0

A1

tcly

MI 2

KK 2

CA 2

CL 1

MT 1

KK 12

5.3

1.9

87P03890

3.0-13.0

A2

tcly

KK 3

MI 3

CA 2

CL 2

MT 1

KK 12

8.0

2.4

87P03891

13.0-20.0

Bw

tcly

KK 3

MI 3

CA 3

CL 2

MT 1

KK 20

6.9

2.1

HE 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	CL Chlorite	HE Hematite	KK Kaolinite	MI Mica
MT Montmorillonite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks