*** Primary Characterization Data ***

Pedon ID: 91CO117006

( Summit, Colorado )

Print Date: Nov 11 2024 9:29PM

Sampled as on Aug 30, 1991:	Tolby ; Sandy-skeletal, mixed Typic Cryochrepts
Revised to correlated:	(unnamed) ; Loamy-skeletal, isotic Dystric Durochrept

				United States Department of Agriculture
SSL	-	Project	RP92CO063   HOLY CROSS SSA	Natural Resources Conservation Service
	-	Site ID	S1991CO117006   Lat: 39° 35' 12.00" north  Long: 105° 56' 32.99" west  MLRA: 48A	National Soil Survey Center
	-	Pedon No.	92P0289	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
92P01825	A	A	0-8				SL	COSL
92P01826	E	E	8-25				SL	COSL
92P01827	Bw	Bw	25-56				LS	LCOS

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.86	(NA)
Clay, carbonate free, Weighted Average	2	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	36	% wt
Volume, >2mm, Weighted Average	14	% vol
Clay, total, Weighted Average	2	% wt
Weighted averages based on control section: 25-100 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	3B1	3B1	3B1
92P01825	0-8	A	S	cosl	9.2	33.2	57.6			18.2	15.0	6.9	10.6	12.1	13.3	14.7	9	4	--	57	13
92P01826	8-25	E	S	cosl	8.9	28.8	62.3			16.6	12.2	8.5	11.2	14.9	13.8	13.9	14	20	--	70	34
92P01827	25-56	Bw	S	lcos	5.1	13.5	81.4			6.7	6.8	6.3	13.6	17.8	20.7	23.0	18	23	7	87	48

*** Primary Characterization Data ***

Pedon ID: 91CO117006

( Summit, Colorado )

Print Date: Nov 11 2024 9:29PM

Sampled As	:	Tolby		Sandy-skeletal, mixed Typic Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  92P0289

---

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	%
										3C2a1a		3D1				8D1	8D1
92P01825	0-8	A	S							17.6		1.025				3.24	1.91
92P01826	8-25	E	S							7.4		1.014				1.74	0.83
92P01827	25-56	Bw	S							4.6		1.012				2.08	0.90

---

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 - - - - -)

6A1c

92P01825

0-8

A

S

6.70

92P01826

8-25

E

S

2.19

92P01827

25-56

Bw

S

0.63

---

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	6G9c		5A3a	5A8b	5A3b	5G1	5C3	5C1
92P01825	0-8	A	S	17.5	2.3	0.1	0.6	20.5	14.2	--		34.7	29.8			59	69
92P01826	8-25	E	S	3.0	0.8	tr	0.3	4.1	5.0	1.5		9.1	15.5	5.6	27	45	26
92P01827	25-56	Bw	S	0.9	0.3	tr	0.3	1.5	7.6	2.3		9.1	10.6	3.8	61	16	14

*** Primary Characterization Data ***

Pedon ID: 91CO117006

( Summit, Colorado )

Print Date: Nov 11 2024 9:29PM

Sampled As	:	Tolby		Sandy-skeletal, mixed Typic Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  92P0289

---

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 - -)

%

92P01825

0-8

A

S

tr

92P01826

8-25

E

S

--

92P01827

25-56

Bw

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

92P01825

0-8

A

S

4.9

5.4

92P01826

8-25

E

S

4.0

4.4

92P01827

25-56

Bw

S

4.1

4.7