*** Primary Characterization Data ***

Pedon ID: 87CO065002

( Lake, Colorado )

Print Date: Jun 1 2024 6:44PM

Sampled as on Aug 1, 1987:	Troutville ; Loamy-skeletal, mixed Psammentic Cryoboralf
Revised to correlated on May 1, 1998:	(unnamed) ; Loamy-skeletal, mixed, superactive Cryoboralf

				United States Department of Agriculture
SSL	-	Project	CP87CO238   SAN ISABEL NATIONAL FOREST	Natural Resources Conservation Service
	-	Site ID	S1987CO065002   Lat: 39° 16' 34.00" north  Long: 106° 18' 33.99" west  MLRA: 48A	National Soil Survey Center
	-	Pedon No.	87P0713	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
87P03843	A	A	0-5					SL
87P03844	E1	E1	5-31				LS	LS
87P03845	E2	E2	31-54				LS	LS
87P03846	Bt	Bt	54-90				SCL	COSL
87P03847	C	C	90-152				LS	LCOS

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.67	(NA)
Clay, carbonate free, Weighted Average	13	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	92	% wt
Volume, >2mm, Weighted Average	73	% vol
Clay, total, Weighted Average	13	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 54-90 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
87P03843	0-5	A	S	sl	5.4	23.3	71.3			12.1	11.2	10.3	29.9	17.6	7.8	5.7	5	15	20	77	57
87P03844	5-31	E1	S	ls	5.0	19.0	76.0			9.7	9.3	9.4	34.4	19.2	6.4	6.6	5	10	20	78	58
87P03845	31-54	E2	S	ls	5.2	10.7	84.1			5.6	5.1	8.0	37.7	25.9	6.2	6.3	4	9	30	86	63
87P03846	54-90	Bt	S	cosl	12.7	8.6	78.7			5.5	3.1	4.2	8.9	14.1	22.0	29.5	8	29	31	92	83
87P03847	90-152	C	S	lcos	5.8	8.0	86.2		--	5.0	3.0	6.2	17.9	23.0	22.0	17.1	9	19	36	93	83

*** Primary Characterization Data ***

Pedon ID: 87CO065002

( Lake, Colorado )

Print Date: Jun 1 2024 6:44PM

Sampled As	:	Troutville		Loamy-skeletal, mixed Psammentic Cryoboralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0713

---

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
87P03843	0-5	A	S	1.30	1.35	0.008			9.7	3.1		1.004		0.05		1.20	0.57
87P03844	5-31	E1	S	1.59	1.60	0.001			6.5	2.6		1.004		0.03		0.86	0.52
87P03845	31-54	E2	S	1.50	1.50	--			5.0	2.2		1.003		0.02		0.65	0.42
87P03846	54-90	Bt	S	1.51	1.55	0.002			13.2	5.8		1.007		0.03		0.67	0.46
87P03847	90-152	C	S							2.9		1.004				0.74	0.50

---

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
87P03843	0-5	A	S		0.063			1.08	17	0.7	0.1
87P03844	5-31	E1	S		0.017			0.28	17	0.7	0.1
87P03845	31-54	E2	S					0.09		0.6	tr
87P03846	54-90	Bt	S					0.21		1.4	0.1
87P03847	90-152	C	S					0.07		1.1	tr

---

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	6G9b		5A3a	5A8b	5A3b	5G1	5C3	5C1
87P03843	0-5	A	S	3.0	0.8	0.1	0.4	4.3	4.9	0.2		9.2	6.5	4.5	4	47	66
87P03844	5-31	E1	S	2.3	0.4	0.1	0.1	2.9	3.0	0.2		5.9	4.3	3.1	6	49	67
87P03845	31-54	E2	S	2.2	0.8	0.1	0.1	3.2	0.7			3.9	3.4			82	94
87P03846	54-90	Bt	S	11.9*	6.2	0.1	0.3		1.1				8.5			94	100
87P03847	90-152	C	S	12.4*	3.3	0.1	0.1						4.3			100	100

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

*** Primary Characterization Data ***

Pedon ID: 87CO065002

( Lake, Colorado )

Print Date: Jun 1 2024 6:44PM

Sampled As	:	Troutville		Loamy-skeletal, mixed Psammentic Cryoboralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0713

---

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 - -)

%

87P03843

0-5

A

S

2

87P03844

5-31

E1

S

2

87P03845

31-54

E2

S

3

87P03846

54-90

Bt

S

1

87P03847

90-152

C

S

2

---

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

87P03843

0-5

A

S

4.6

5.0

87P03844

5-31

E1

S

4.7

5.5

87P03845

31-54

E2

S

5.5

6.3

87P03846

54-90

Bt

S

7.2

7.8

9

87P03847

90-152

C

S

7.6

8.3

10

*** Primary Characterization Data ***

Pedon ID: 87CO065002

( Lake, Colorado )

Print Date: Jun 1 2024 6:44PM

Sampled As	:	Troutville		Loamy-skeletal, mixed Psammentic Cryoboralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0713

---

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

&nbsp;

7A4b

7C3

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

87P03843

0.0-5.0

A

tcly

KK 2

MI 2

MT 2

VM 1

QZ 1

&nbsp;

&nbsp;

KK 16

&nbsp;

&nbsp;

&nbsp;

7.9

&nbsp;

&nbsp;

2.5

&nbsp;

&nbsp;

&nbsp;

87P03846

54.0-90.0

Bt

tcly

MI 3

KK 3

MT 3

VM 2

QZ 1

&nbsp;

&nbsp;

KK 17

&nbsp;

&nbsp;

&nbsp;

8.0

&nbsp;

&nbsp;

2.6

&nbsp;

&nbsp;

&nbsp;

GE 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm	&nbsp;	&nbsp;	&nbsp;	&nbsp;

MINERAL INTERPRETATION:
GE Goethite	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