*** Primary Characterization Data ***

Pedon ID: S2012CO005003

( Arapahoe, Colorado )

Print Date: Dec 11 2024 4:05PM

Sampled as on Oct 23, 2011:	Terry ; Mixed, mesic Ustic Torripsamments
Revised to :

				United States Department of Agriculture
SSL	-	Project	C2012USCO006   Bedrock Controlled Soils SSO 5-2	Natural Resources Conservation Service
	-	Site ID	12CO005003   Lat: 39° 36' 25.90" north  Long: 103° 54' 36.50" west  MLRA: 67B	National Soil Survey Center
	-	Pedon No.	12N7620	Kellogg 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
12N01009	Ap	Ap	0-9	S12CO005003-1			LFS	LFS
12N01010	Bw1	Bw1	9-31	S12CO005003-2			LFS	LFS
12N01011	Bw2	Bw2	31-54	S12CO005003-3			LFS	FS
12N01012	C1	C1	54-95	S12CO005003-4			FS	FS
12N01013	C2	C2	95-127	S12CO005003-5			FS	FS
12N01014	Cd1	Cd1	127-187	S12CO005003-6			FS	FS
12N01015	Cd2	Cd2	187-200	S12CO005003-7			FS	FS

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Weighted Particles, 0.1-75mm, 75 mm Base	74	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	4	% wt
Clay, carbonate free, Weighted Average	4	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4	1.16	(NA)
LE, Whole Soil, Summed to 1m	0	cm/m
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
12N01009	0-9	Ap	S	lfs	7.6	8.8	83.6			4.3	4.5	15.2	64.6	3.5	0.2	0.1	tr	tr	--	68	1
12N01010	9-31	Bw1	S	lfs	7.7	7.0	85.3			3.6	3.4	23.6	59.1	2.4	0.1	0.1	tr	1	2	63	3
12N01011	31-54	Bw2	S	fs	4.3	4.7	91.0			3.0	1.7	18.6	68.6	3.8	tr	--	tr	tr	--	72	tr
12N01012	54-95	C1	S	fs	3.0	4.7	92.3			3.1	1.6	16.4	72.0	3.8	0.1	--	tr	tr	--	76	tr
12N01013	95-127	C2	S	fs	3.5	4.0	92.5			2.7	1.3	13.1	75.7	3.6	tr	0.1	tr	1	tr	80	1
12N01014	127-187	Cd1	S	fs	4.5	4.5	91.0			3.1	1.4	26.1	59.7	4.8	0.3	0.1	1	1	2	66	4
12N01015	187-200	Cd2	S	fs	1.9	2.2	95.9			2.1	0.1	3.6	88.6	3.7	tr	--	--	--	--	92	--

*** Primary Characterization Data ***

Pedon ID: S2012CO005003

( Arapahoe, Colorado )

Print Date: Dec 11 2024 4:05PM

Sampled As	:	Terry		Mixed, mesic Ustic Torripsamments
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  12N7620

---

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	%
				DbWR1	DbWR1				DbWR1	3C2a1a		3D1
12N01009	0-9	Ap	S	1.36	1.38	0.005			6.4	4.1		1.011		0.03		1.03	0.54
12N01010	9-31	Bw1	S	1.43	1.46	0.007			10.0	2.8		1.009		0.10		0.81	0.36
12N01011	31-54	Bw2	S	1.39	1.42	0.007			10.2	2.2		1.007		0.11		1.07	0.51
12N01012	54-95	C1	S	1.59	1.59	--			15.6	1.7		1.006		0.22		1.27	0.57
12N01013	95-127	C2	S	1.56	1.60	0.008			20.5	1.9		1.006		0.29		1.06	0.54
12N01014	127-187	Cd1	S	1.61	1.64	0.006			18.7	2.8		1.007		0.25		0.98	0.62
12N01015	187-200	Cd2	S	1.62	1.64	0.004			6.5	1.1		1.004		0.09		1.11	0.58

---

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 - - - - - - - - - - - - - - - - - - - - - -)
														3C1d1a	3C1e1a
12N01009	0-9	Ap	S											7.1	5.8
12N01010	9-31	Bw1	S											4.4	4.7
12N01011	31-54	Bw2	S											3.7	3.6
12N01012	54-95	C1	S											3.8	3.4
12N01013	95-127	C2	S											3.8	3.3
12N01014	127-187	Cd1	S											4.1	3.7
12N01015	187-200	Cd2	S											2.2	2.1

*** Primary Characterization Data ***

Pedon ID: S2012CO005003

( Arapahoe, Colorado )

Print Date: Dec 11 2024 4:05PM

Sampled As	:	Terry		Mixed, mesic Ustic Torripsamments
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  12N7620

---

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 - - - - -)
				4H2a	4H2a	4H2a
12N01009	0-9	Ap	S	1.57	0.13	0.04	1.6		12
12N01010	9-31	Bw1	S	0.42	0.03	0.01	0.4		13
12N01011	31-54	Bw2	S	0.15	--	0.01	0.2
12N01012	54-95	C1	S	0.02	--	tr	tr
12N01013	95-127	C2	S	0.01	--	0.01	--
12N01014	127-187	Cd1	S	0.02	--	0.01	--
12N01015	187-200	Cd2	S	0.01	--	0.01	--

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				4B1a1a	4B1a1a	4B1a1a	4B1a1a		4B2b1a1				4B1a1a
12N01009	0-9	Ap	S	6.8*	1.5	--	0.7	9.0	9.5			18.5	7.8			49	100
12N01010	9-31	Bw1	S	5.8*	0.9	--	0.1	6.8	3.2			10.0	6.2			68	100
12N01011	31-54	Bw2	S	4.4*	0.5	--	0.1	5.0	--			5.0	4.6			100	100
12N01012	54-95	C1	S	4.0*	0.2	--	0.1	4.3	--			4.3	3.8			100	100
12N01013	95-127	C2	S	4.0*	0.1	--	0.1	4.2	2.9				3.7				100
12N01014	127-187	Cd1	S	5.0*	0.1	--	0.1	5.2	4.4				4.4				100
12N01015	187-200	Cd2	S	2.4*	tr	--	0.1	2.5	--				2.1				100

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

*** Primary Characterization Data ***

Pedon ID: S2012CO005003

( Arapahoe, Colorado )

Print Date: Dec 11 2024 4:05PM

Sampled As	:	Terry		Mixed, mesic Ustic Torripsamments
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  12N7620

---

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 - -)		%
				4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2		4F2	4F1a1a1
12N01009	0-9	Ap	S	11.0	3.9	0.5	2.6	--	3.3	--	1.4	--	--	--	1.2	1.2	10.9	44.2	0.1	1.83	0.48	--	tr
12N01010	9-31	Bw1	S																		0.06	--
12N01011	31-54	Bw2	S																		0.04	--
12N01012	54-95	C1	S																		0.03	--
12N01013	95-127	C2	S																		0.03	--
12N01014	127-187	Cd1	S																		0.04	--
12N01015	187-200	Cd2	S																		0.03	--

---

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

4F2

4E1a1a1a1

12N01009

0-9

Ap

S

5.5

5.8

5.7

12N01010

9-31

Bw1

S

5.8

6.4

12N01011

31-54

Bw2

S

6.4

7.0

12N01012

54-95

C1

S

6.6

7.3

12N01013

95-127

C2

S

7.0

7.5

tr

12N01014

127-187

Cd1

S

7.0

7.6

tr

12N01015

187-200

Cd2

S

7.0

7.7

tr

*** Primary Characterization Data ***

Pedon ID: S2012CO005003

( Arapahoe, Colorado )

Print Date: Dec 11 2024 4:05PM

Sampled As	:	Terry		Mixed, mesic Ustic Torripsamments
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  12N7620

---

Phosphorus

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

(- - - - - - - - - - - - - - - - - - - - - - - Phosphorus - - - - - - - - - - - - - - - - - - - - -)

KCl

Melanic

NZ

Acid

Anion Exch Resin

Bray

Bray

Olsen

H2O

Citric

Mehlich

Extr

Depth

Index

Oxal

Available

Capacity

1

2

Acid

III

NO3

Layer

(cm)

Horz

Prep

%

(- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -)

4D6a1

12N01009

0-9

Ap

S

131.6

12N01010

9-31

Bw1

S

9.6

12N01011

31-54

Bw2

S

5.5

12N01012

54-95

C1

S

5.8

12N01013

95-127

C2

S

4.1

12N01014

127-187

Cd1

S

2.4

12N01015

187-200

Cd2

S

2.7

*** Primary Characterization Data ***

Pedon ID: S2012CO005003

( Arapahoe, Colorado )

Print Date: Dec 11 2024 4:05PM

Sampled As	:	Terry		Mixed, mesic Ustic Torripsamments
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  12N7620

---

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

12N01010

9.0-31.0

Bw1

fs

81

QZ 70

FK 13

CD 8

CL 4

AR 2

BT 1

SMIX

FE 1

GN 1

MS 1

OP 1

FP tr

BY tr

12N01011

31.0-54.0

Bw2

fs

83

QZ 68

CD 14

FK 9

CL 4

AR 2

BT 2

SMIX

FE 1

MS 1

OP tr

FP tr

GN tr

GY tr

12N01012

54.0-95.0

C1

fs

84

QZ 75

CD 9

FK 7

CL 4

BT 2

MS 1

SMIX

OP tr

PR tr

FP tr

GN tr

AR tr

FE tr

12N01013

95.0-127.0

C2

fs

81

QZ 72

FK 13

CD 7

CL 4

FE 1

AR 1

SMIX

BT 1

GN 1

MS tr

OP tr

PR tr

FP tr

FRACTION INTERPRETATION:
fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
AR Weatherable Aggregates	BT Biotite	BY Beryl	CD Chert (Chalcedony	CL Chlorite
FE Iron Oxides (Goethite	FK Potassium Feldspar	FP Plagioclase Feldspar	GN Garnet	GY Gypsum
MS Muscovite	OP Opaques	PR Pyroxene	QZ Quartz

*** Primary Characterization Data ***

Pedon ID: S2012CO005003

( Arapahoe, Colorado )

Print Date: Dec 11 2024 4:05PM

Sampled As	:	Terry		Mixed, mesic Ustic Torripsamments
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  12N7620

---

INTERPRETATION (BY HORIZON):
SMIX - Mixed Sand