*** Primary Characterization Data ***

Pedon ID: 91CO117007

( Summit, Colorado )

Print Date: Nov 21 2024 11:28AM

Sampled as on Jul 30, 1991:	Scout ; Sandy-skeletal, mixed Typic Cryochrepts
Revised to correlated on May 1, 1998:	(unnamed) ; Loamy-skeletal, isotic Dystric Cryochrept

				United States Department of Agriculture
SSL	-	Project	RP92CO063   HOLY CROSS SSA	Natural Resources Conservation Service
	-	Site ID	S1991CO117007   Lat: 39° 35' 8.00" north  Long: 105° 53' 13.01" west  MLRA: 48A	National Soil Survey Center
	-	Pedon No.	92P0290	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
92P01828	A	A	0-20				SL	COSL
92P01829	Bw	Bw	20-43				SL	COSL
92P01830	C	C	43-152				LS	COSL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	1.04	(NA)
Clay, carbonate free, Weighted Average	10	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	84	% wt
Volume, >2mm, Weighted Average	45	% vol
Clay, total, Weighted Average	10	% 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
92P01828	0-20	A	S	cosl	14.7	27.1	58.2			16.8	10.3	6.7	11.1	13.0	15.2	12.2	18	19	--	69	37
92P01829	20-43	Bw	S	cosl	14.1	11.7	74.2			10.4	1.3	5.3	13.4	15.9	21.9	17.7	22	28	5	86	55
92P01830	43-152	C	S	cosl	9.3	25.5	65.2			12.5	13.0	9.3	10.3	12.0	15.6	18.0	21	38	3	83	62

*** Primary Characterization Data ***

Pedon ID: 91CO117007

( Summit, Colorado )

Print Date: Nov 21 2024 11:28AM

Sampled As	:	Scout		Sandy-skeletal, mixed Typic Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  92P0290

---

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
92P01828	0-20	A	S							8.5		1.020				1.10	0.58
92P01829	20-43	Bw	S							7.3		1.014				0.72	0.52
92P01830	43-152	C	S							7.2		1.014				1.14	0.77

---

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

92P01828

0-20

A

S

2.00

92P01829

20-43

Bw

S

0.40

92P01830

43-152

C

S

0.43

---

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
92P01828	0-20	A	S	4.4	0.7	tr	0.4	5.5	14.7	1.8		20.2	16.1	7.3	25	27	34
92P01829	20-43	Bw	S	4.2	0.7	tr	0.2	5.1	7.2	0.8		12.3	10.2	5.9	14	41	50
92P01830	43-152	C	S	3.7	0.8	tr	0.2	4.7	7.5	1.1		12.2	10.6	5.8	19	39	44

*** Primary Characterization Data ***

Pedon ID: 91CO117007

( Summit, Colorado )

Print Date: Nov 21 2024 11:28AM

Sampled As	:	Scout		Sandy-skeletal, mixed Typic Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  92P0290

---

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 - -)

%

92P01828

0-20

A

S

--

92P01829

20-43

Bw

S

--

92P01830

43-152

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

92P01828

0-20

A

S

4.4

5.1

92P01829

20-43

Bw

S

4.5

5.1

92P01830

43-152

C

S

4.4

5.1