*** Primary Characterization Data ***

Pedon ID: S2013CO029008

( Delta, Colorado )

Print Date: Dec 8 2025 7:10AM

Sampled as on May 28, 2013:	unnamed ; Fine-silty, mixed, active, mesic, shallow Typic Haplocambids
Revised to :

				United States Department of Agriculture
SSL	-	Project	C2013USCO110   Selenium - Mancos Shale Part II	Natural Resources Conservation Service
	-	Site ID	S2013CO029008   Lat: 38° 37' 21.07" north  Long: 107° 53' 19.25" west  MLRA: 34B	National Soil Survey Center
	-	Pedon No.	13N96755	Kellogg Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

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Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
13N09770	A	A	0-6	S2013CO029008-1			SICL	SICL
13N09771	BC2	BC2	6-26	S2013CO029008-2			SICL	SICL
13N09772	Cr	Cr	26-41	S2013CO029008-3			WB	SICL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, total, Weighted Average	36	% wt
Clay, carbonate free, Weighted Average	33	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4	0.3	(NA)
Weighted Particles, 0.1-75mm, 75 mm Base	1	% wt
Weighted averages based on control section: 0-26 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
13N09770	0-6	A	S	sicl	36.5	61.2	2.3		3.9	49.3	11.9	1.3	0.3	0.2	0.4	0.1	tr	--	--	1	tr
13N09771	6-26	BC2	S	sicl	36.4	61.7	1.9		3.8	48.5	13.2	1.4	0.3	0.1	0.1	tr	1	tr	--	1	1
13N09772	26-41	Cr	S	sicl	34.8	62.9	2.3		3.5	45.8	17.1	1.6	0.4	0.2	0.1	--	8	21	24	53	53

---

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	4E2a1a1a1
13N09770	0-6	A	S							9.4		1.033	1.024			0.31	0.26
13N09771	6-26	BC2	S							9.9		1.029	1.023			0.30	0.27
13N09772	26-41	Cr	S							9.0		1.031	1.026			0.31	0.26

*** Primary Characterization Data ***

Pedon ID: S2013CO029008

( Delta, Colorado )

Print Date: Dec 8 2025 7:10AM

Sampled As	:	unnamed		Fine-silty, mixed, active, mesic, shallow Typic Haplocambids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96755

---

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
13N09770	0-6	A	S	2.83	0.14	1.22	0.6		4
13N09771	6-26	BC2	S	2.77	0.14	1.12	0.4		3
13N09772	26-41	Cr	S	2.88	0.11	1.27	0.4		4

---

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						4B1a1a
13N09770	0-6	A	S	121.1*	6.1	3.0	0.7	130.9					11.2				100
13N09771	6-26	BC2	S	105.7*	6.2	16.6	0.6	129.1					10.8				100
13N09772	26-41	Cr	S	111.5*	6.2	18.1	0.4	136.2					10.9				100

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

---

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
13N09770	0-6	A	S	31.5	8.4	29.9	1.0	--	5.2	--	5.3	--	--	--	49.5	3.7	5.9	50.2	0.2	5.29	3.17	14	7
13N09771	6-26	BC2	S	22.1	6.9	145.4	0.9	--	0.7	--	9.8	--	--	--	137.3	--	23.7	67.9	0.7	12.15	3.20	62	38
13N09772	26-41	Cr	S	23.3	12.7	197.5	0.8	--	0.8	--	16.0	--	--	--	167.3	--	56.3	49.7	0.7	16.25	6.96	76	47

*** Primary Characterization Data ***

Pedon ID: S2013CO029008

( Delta, Colorado )

Print Date: Dec 8 2025 7:10AM

Sampled As	:	unnamed		Fine-silty, mixed, active, mesic, shallow Typic Haplocambids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96755

---

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		4E2a1a1a1
13N09770	0-6	A	S		7.7	7.7	7.4			19		4
13N09771	6-26	BC2	S		8.3	8.4	8.5			20		3
13N09772	26-41	Cr	S		8.5	8.5	8.6			20		3

---

Trace Elements Tier 1				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-
	Depth			Ag	As	Ba	Be	Cd	Co	Cr	Cu	Mn	Mo		Hg
Layer	(cm)	Horz	Prep	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg		ug/kg
				4H1a	4H1a	4H1a	4H1a	4H1a	4H1a	4H1a	4H1a	4H1a	4H1a		4H1a
13N09770	0-6	A	HM	0.19	10.24	280.10	1.36	2.14	6.06	47.72	20.81	195.00	5.21		20
13N09771	6-26	BC2	HM	0.19	11.47	322.94	1.45	1.95	5.69	48.74	22.00	160.36	5.95		43
13N09772	26-41	Cr	HM	0.20	11.13	270.90	1.40	2.10	6.26	48.53	21.46	180.20	5.49		41

---

Trace Elements Tier 2				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-
	Depth			Ni	P	Pb	Sb	Se	Sn	Sr	Tl	V	W	Zn
Layer	(cm)	Horz	Prep	mg/kg	mg/kg	mg/kg	mg/kg	ug/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg
				4H1a	4H1a	4H1a	4H1a	4H1a	4H1a	4H1a		4H1a	4H1a	4H1a
13N09770	0-6	A	HM	24.51	704.69	23.31	1.47	2551.98	1.29	197.73		139.95	0.01	96.45
13N09771	6-26	BC2	HM	21.96	708.96	22.85	1.61	3161.83	1.32	215.57		148.96	--	97.85
13N09772	26-41	Cr	HM	26.04	673.83	22.42	1.63	4043.38	1.30	191.18		157.02	0.02	96.21

*** Primary Characterization Data ***

Pedon ID: S2013CO029008

( Delta, Colorado )

Print Date: Dec 8 2025 7:10AM

Sampled As	:	unnamed		Fine-silty, mixed, active, mesic, shallow Typic Haplocambids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96755

---

Major Elements				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-
	Depth			Al	Ca	Fe	K	Mg	Mn	Na	P	Si	Sr	Ti	Zr
Layer	(cm)	Horz	Prep	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg	mg/kg
				4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b	4H1b
13N09770	0-6	A	HM	55719	68755	22403	18980	19605	244	4109	860	227029	204	2682	85
13N09771	6-26	BC2	HM	58456	71066	23579	19805	20968	207	7265	866	244027	232	2816	94
13N09772	26-41	Cr	HM	56738	71350	22124	18435	21211	224	7337	813	237923	202	2773	90

^1,1,2 Multiple values present due to instrumentation or analyzed size fraction. See laboratory for more information.

*** Primary Characterization Data ***

Pedon ID: S2013CO029008

( Delta, Colorado )

Print Date: Dec 8 2025 7:10AM

Sampled As	:	unnamed		Fine-silty, mixed, active, mesic, shallow Typic Haplocambids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96755

---

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

7A1b1

7A2a

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

13N09771

6.0-26.0

BC2

tcly

MI 2

CA 2

KK 2

QZ 2

CL 1

KK 26

CA 6

CMIX

VR 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	CL Chlorite	KK Kaolinite	MI Mica	QZ Quartz
VR Vermiculite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

INTERPRETATION (BY HORIZON):
CMIX - Mixed Clay