*** Primary Characterization Data ***

Pedon ID: S2013CO029019

( Delta, Colorado )

Print Date: Dec 6 2025 3:12AM

Sampled as on Jul 8, 2013:	Unnamed ; Fine-silty, mixed, active, mesic, shallow Typic Torriorthents
Revised to :

				United States Department of Agriculture
SSL	-	Project	C2013USCO110   Selenium - Mancos Shale Part II	Natural Resources Conservation Service
	-	Site ID	S2013CO029019   Lat: 38° 37' 21.07" north  Long: 107° 53' 19.25" west  MLRA: 34B	National Soil Survey Center
	-	Pedon No.	13N96766	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
13N09812	A	A	0-10	S2013CO029019-1			SICL	SIC
13N09813	C	C	10-20	S2013CO029019-2			PGRX-SICL	SIC
13N09814	Cr	Cr	20-41	S2013CO029019-3				SIC

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, total, Weighted Average	51	% wt
Clay, carbonate free, Weighted Average	51	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4	0.35	(NA)
Weighted Particles, 0.1-75mm, 75 mm Base	12	% wt
Weighted averages based on control section: 0-20 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
13N09812	0-10	A	S	sic	50.1	47.4	2.5			41.8	5.6	1.0	0.7	0.3	0.4	0.1	2	3	--	6	5
13N09813	10-20	C	S	sic	51.7	46.4	1.9			40.0	6.4	1.0	0.4	0.3	0.1	0.1	12	4	--	17	16
13N09814	20-41	Cr	S	sic	53.0	45.9	1.1			40.6	5.3	0.9	0.1	0.1	tr	--	21	36	13	70	70

---

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
13N09812	0-10	A	S							12.5		1.039	1.037			0.36	0.25
13N09813	10-20	C	S							14.0		1.041	1.039			0.34	0.27
13N09814	20-41	Cr	S							15.0		1.043	1.040			0.35	0.28

*** Primary Characterization Data ***

Pedon ID: S2013CO029019

( Delta, Colorado )

Print Date: Dec 6 2025 3:12AM

Sampled As	:	Unnamed		Fine-silty, mixed, active, mesic, shallow Typic Torriorthents
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96766

---

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
13N09812	0-10	A	S	0.81	0.05	0.27	0.2		4
13N09813	10-20	C	S	0.87	0.07	0.39	0.2		2
13N09814	20-41	Cr	S	0.83	0.14	0.64	0.1		1

---

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
13N09812	0-10	A	S	37.7*	10.9	--	0.8	49.4	1.1				18.1				100
13N09813	10-20	C	S	43.6*	21.8	7.4	0.6	73.4	1.2				17.7				100
13N09814	20-41	Cr	S	44.0*	25.0	14.6	0.5	84.1	0.9				18.3				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
13N09812	0-10	A	S	25.2	5.8	1.6	0.5	--	1.1	--	--	--	--	--	30.0	--	2.0	54.2	0.1	2.58	1.99	--	tr
13N09813	10-20	C	S	23.7	39.2	65.6	0.6	--	1.0	--	4.8	--	tr	--	89.3	--	28.4	53.9	0.4	8.71	4.75	22	12
13N09814	20-41	Cr	S	21.2	64.8	123.4	0.5	--	0.8	--	5.7	--	0.8	--	159.5	0.4	37.6	73.3	0.8	12.95	6.50	30	19

*** Primary Characterization Data ***

Pedon ID: S2013CO029019

( Delta, Colorado )

Print Date: Dec 6 2025 3:12AM

Sampled As	:	Unnamed		Fine-silty, mixed, active, mesic, shallow Typic Torriorthents
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96766

---

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
13N09812	0-10	A	S		7.8	7.9	8.0			5		1
13N09813	10-20	C	S		7.9	7.9	8.0			6		1
13N09814	20-41	Cr	S		8.1	8.0	8.2			6		2

---

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
13N09812	0-10	A	HM	0.04	10.40	229.52	1.87	0.30	7.47	55.50	25.75	190.99	1.64		26
13N09813	10-20	C	HM	0.04	10.16	227.23	1.91	0.26	7.19	56.59	24.41	179.47	1.67		68
13N09814	20-41	Cr	HM	0.03	11.38	216.46	2.02	0.34	7.83	56.32	24.95	186.22	1.56		44

---

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
13N09812	0-10	A	HM	24.60	627.82	26.71	0.75	750.22	1.61	75.23		109.18	tr	112.59
13N09813	10-20	C	HM	22.85	657.60	26.69	0.67	869.66	1.66	91.56		114.28	tr	111.41
13N09814	20-41	Cr	HM	23.04	668.18	28.51	0.75	1342.95	1.63	83.17		118.56	--	116.40

*** Primary Characterization Data ***

Pedon ID: S2013CO029019

( Delta, Colorado )

Print Date: Dec 6 2025 3:12AM

Sampled As	:	Unnamed		Fine-silty, mixed, active, mesic, shallow Typic Torriorthents
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96766

---

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
13N09812	0-10	A	HM	77116	19444	32041	23305	15194	249	5235	788	264581	106	3776	126
13N09813	10-20	C	HM	70527	17029	31722	22167	15109	213	6037	738	249448	105	3445	112
13N09814	20-41	Cr	HM	69921	16725	37396	22104	14899	226	7738	808	254730	95	3565	113

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