*** Primary Characterization Data ***

Pedon ID: S2013CO029024

( Delta, Colorado )

Print Date: Feb 16 2026 6:22PM

Sampled as on Jul 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	S2013CO029024   Lat: 38° 37' 21.07" north  Long: 107° 53' 19.25" west  MLRA: 34B	National Soil Survey Center
	-	Pedon No.	13N97173	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
13N11963	A	A	0-3	S2013CO029024-1			SIL	SIC
13N11964	BCz	BCz	3-10	S2013CO029024-2			PGR-SIL	SIC
13N11965	Cr1	Cr1	10-20	S2013CO029024-3			WB
13N11966	Cr2	Cr2	20-33	S2013CO029024-4			WB

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Weighted Particles, 0.1-75mm, 75 mm Base	3	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	45	% wt
Clay, carbonate free, Weighted Average	44	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4	0.37	(NA)
Weighted averages based on control section: 0-10 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
13N11963	0-3	A	S	sic	43.2	48.1	8.7		1.3	35.3	12.8	6.6	1.8	0.1	0.1	0.1	1	1	--	4	2
13N11964	3-10	BCz	S	sic	45.5	47.1	7.4		1.0	34.7	12.4	5.8	1.1	0.4	0.1	tr	1	tr	--	3	1
13N11965	10-20	Cr1	S														16	33	4	--	53
13N11966	20-33	Cr2	S														15	38	19	--	72

*** Primary Characterization Data ***

Pedon ID: S2013CO029024

( Delta, Colorado )

Print Date: Feb 16 2026 6:22PM

Sampled As	:	unnamed		Fine-silty, mixed, active, mesic, shallow Typic Haplocambids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N97173

---

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
13N11963	0-3	A	S							11.6		1.034	1.032			0.39	0.27
13N11964	3-10	BCz	S							13.1		1.037	1.031			0.36	0.29
13N11965	10-20	Cr1	S							11.3		1.036	1.028
13N11966	20-33	Cr2	S							10.5		1.043	1.026

---

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
13N11963	0-3	A	S	0.76	0.04	0.31	0.2		5
13N11964	3-10	BCz	S	0.76	0.05	0.77	0.3		7
13N11965	10-20	Cr1	S	0.92	0.10	0.94	0.4		4
13N11966	20-33	Cr2	S	0.89	0.10	1.71	0.5		5

---

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
13N11963	0-3	A	S	49.8*	8.5	--	0.8	59.1	--				16.7				100
13N11964	3-10	BCz	S	63.6*	14.7	9.9	1.5	89.7	0.6				16.2				100
13N11965	10-20	Cr1	S	55.9*	19.0	13.5	0.7	89.1	0.2				14.9				100
13N11966	20-33	Cr2	S	100.0*	19.5	9.9	0.7	130.1	0.5				15.0				100

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

*** Primary Characterization Data ***

Pedon ID: S2013CO029024

( Delta, Colorado )

Print Date: Feb 16 2026 6:22PM

Sampled As	:	unnamed		Fine-silty, mixed, active, mesic, shallow Typic Haplocambids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N97173

---

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
13N11963	0-3	A	S	31.0	2.7	0.7	0.6	--	1.8	--	--	--	--	--	31.9	0.1	0.3	48.5	0.1	2.48	5.21	--	tr
13N11964	3-10	BCz	S	21.6	20.6	82.8	1.1	--	1.2	--	5.0	--	--	--	93.6	--	21.1	63.8	0.4	8.79	8.49	29	18
13N11965	10-20	Cr1	S	22.2	59.4	129.9	1.0	--	0.6	--	4.0	--	--	--	171.7	--	30.3	63.3	0.7	13.19	6.71	35	20
13N11966	20-33	Cr2	S	22.5	82.6	94.5	1.1	--	0.6	--	0.7	--	--	--	165.8	--	24.0	62.9	0.6	11.76	6.08	26	13

---

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
13N11963	0-3	A	S		7.8	7.9	8.1			4		1
13N11964	3-10	BCz	S		8.1	8.1	8.1			3		3
13N11965	10-20	Cr1	S		8.0	8.0	7.9			4		4
13N11966	20-33	Cr2	S		7.9	7.9	7.8			3		9

---

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
13N11963	0-3	A	HM	0.15	10.92	280.72	1.80	0.71	8.27	53.06	26.70	196.87	3.45		21
13N11964	3-10	BCz	HM	0.18	11.06	224.52	1.70	1.19	7.80	49.66	26.83	151.44	4.64		32
13N11965	10-20	Cr1	HM	0.23	13.81	190.66	1.48	2.11	10.21	45.50	30.89	237.00	11.12		48
13N11966	20-33	Cr2	HM	0.24	10.66	177.55	1.37	2.42	8.84	45.22	28.72	171.28	6.65		29

*** Primary Characterization Data ***

Pedon ID: S2013CO029024

( Delta, Colorado )

Print Date: Feb 16 2026 6:22PM

Sampled As	:	unnamed		Fine-silty, mixed, active, mesic, shallow Typic Haplocambids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N97173

---

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
13N11963	0-3	A	HM	25.16	677.96	24.67	0.83	1415.94	1.66	102.96		110.05	--	106.86
13N11964	3-10	BCz	HM	24.69	666.46	23.06	1.07	1705.53	1.51	118.82		112.62	--	105.71
13N11965	10-20	Cr1	HM	32.56	809.49	20.49	1.44	3734.62	1.34	97.70		119.93	--	121.87
13N11966	20-33	Cr2	HM	29.52	721.94	21.35	1.15	4347.24	1.26	97.04		122.72	--	116.55

---

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
13N11963	0-3	A	HM	61239	16403	27490	18766	11696	226	5192	658	266426	99	3461	120
13N11964	3-10	BCz	HM	68681	18809	27006	20424	12875	198	6955	808	277934	129	3619	121
13N11965	10-20	Cr1	HM	62060	18903	31849	18819	11831	300	7226	985	277228	110	3341	115
13N11966	20-33	Cr2	HM	60672	26001	21725	16882	11084	194	6110	785	247048	99	3084	113

^1,1,2,3 Multiple values present due to instrumentation or analyzed size fraction. See laboratory for more information.

*** Primary Characterization Data ***

Pedon ID: S2013CO029024

( Delta, Colorado )

Print Date: Feb 16 2026 6:22PM

Sampled As	:	unnamed		Fine-silty, mixed, active, mesic, shallow Typic Haplocambids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N97173

---

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

13N11964

3.0-10.0

BCz

tcly

KK 3

MI 3

MT 2

VR 2

QZ 2

KK 31

CMIX

FP 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
FP Plagioclase Feldspar	KK Kaolinite	MI Mica	MT Montmorillonite	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