*** Primary Characterization Data ***

Pedon ID: S2013CO029016

( Delta, Colorado )

Print Date: Feb 18 2026 3:34PM

Sampled as on Jun 25, 2013:	Unnamed ; Clayey, mixed, active, mesic, shallow Typic Haplargids
Revised to :

				United States Department of Agriculture
SSL	-	Project	C2013USCO110   Selenium - Mancos Shale Part II	Natural Resources Conservation Service
	-	Site ID	S2013CO029016   Lat: 38° 37' 21.07" north  Long: 107° 53' 19.25" west  MLRA: 34B	National Soil Survey Center
	-	Pedon No.	13N96763	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
13N09802	A	A	0-9	S2013CO029016-1			SIL	SIC
13N09803	BCtz	BCtz	9-21	S2013CO029016-2			SICL	SIC
13N09804	C	C	21-33	S2013CO029016-3			PGRV-SICL	SIC
13N09805	Cr	Cr	33-46	S2013CO029016-4			WB	SIC

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, total, Weighted Average	52	% wt
Clay, carbonate free, Weighted Average	52	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4	0.36	(NA)
Weighted Particles, 0.1-75mm, 75 mm Base	1	% wt
Weighted averages based on control section: 9-21 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
13N09802	0-9	A	S	sic	52.4	44.2	3.4		--	33.4	10.8	2.7	0.4	0.1	0.1	0.1	tr	--	--	1	tr
13N09803	9-21	BCtz	S	sic	52.5	45.1	2.4		0.8	35.4	9.7	1.9	0.4	0.1	tr	--	tr	--	--	tr	tr
13N09804	21-33	C	S	sic	57.2	41.1	1.7			33.0	8.1	1.2	0.4	0.1	tr	tr	1	--	--	1	1
13N09805	33-46	Cr	S	sic	52.3	46.1	1.6			37.8	8.3	1.2	0.4	tr	tr	tr	23	36	tr	59	59

*** Primary Characterization Data ***

Pedon ID: S2013CO029016

( Delta, Colorado )

Print Date: Feb 18 2026 3:34PM

Sampled As	:	Unnamed		Clayey, mixed, active, mesic, shallow Typic Haplargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96763

---

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
13N09802	0-9	A	S							13.8		1.044	1.038			0.37	0.26
13N09803	9-21	BCtz	S							14.4		1.053	1.040			0.36	0.27
13N09804	21-33	C	S							15.5		1.052	1.042			0.35	0.27
13N09805	33-46	Cr	S							12.7		1.066	1.040			0.34	0.24

---

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
13N09802	0-9	A	S	1.15	0.05	0.72	0.6		13
13N09803	9-21	BCtz	S	0.87	--	1.32	0.5
13N09804	21-33	C	S	0.84	--	1.16	0.6
13N09805	33-46	Cr	S	0.93	0.03	2.89	0.6		20

---

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
13N09802	0-9	A	S	95.3*	5.2	0.9	1.5	102.9					19.4				100
13N09803	9-21	BCtz	S	110.2*	8.3	7.2	0.9	126.6					19.1				100
13N09804	21-33	C	S	88.8*	12.6	17.0	0.8	119.2	0.4				19.8				100
13N09805	33-46	Cr	S	189.4*	12.1	19.6	0.8	221.9	0.8				17.6				100

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

*** Primary Characterization Data ***

Pedon ID: S2013CO029016

( Delta, Colorado )

Print Date: Feb 18 2026 3:34PM

Sampled As	:	Unnamed		Clayey, mixed, active, mesic, shallow Typic Haplargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96763

---

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
13N09802	0-9	A	S	31.0	2.8	6.8	0.5	--	3.5	--	0.9	--	--	--	33.8	0.5	3.3	53.3	0.1	3.23	2.49	3	2
13N09803	9-21	BCtz	S	21.4	8.6	53.7	0.2	--	1.6	--	--	--	--	--	78.4	--	3.1	56.3	0.3	6.23	3.65	22	14
13N09804	21-33	C	S	19.0	16.8	113.0	0.1	--	1.5	--	--	--	--	--	142.8	0.6	2.1	81.3	0.6	10.09	6.05	39	27
13N09805	33-46	Cr	S	19.9	26.4	173.2	0.9	--	1.5	--	--	--	--	--	215.6	0.5	7.2	66.1	0.7	13.52	7.37	46	36

---

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
13N09802	0-9	A	S		8.0	8.0	7.9			4		3
13N09803	9-21	BCtz	S		8.1	8.2	8.3			3		6
13N09804	21-33	C	S		8.3	8.4	8.5			2		5
13N09805	33-46	Cr	S		8.4	8.4	8.6			3		13

---

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
13N09802	0-9	A	HM	0.09	13.84	174.58	2.08	0.09	7.27	49.37	18.49	149.51	1.20		34
13N09803	9-21	BCtz	HM	0.08	13.73	167.76	2.09	0.09	7.37	51.35	18.16	136.17	1.05		25
13N09804	21-33	C	HM	0.08	13.69	166.50	2.19	0.06	7.34	51.22	18.41	123.72	0.97		31
13N09805	33-46	Cr	HM	0.12	12.88	150.90	1.92	0.05	7.51	48.87	18.21	122.69	1.01		21

*** Primary Characterization Data ***

Pedon ID: S2013CO029016

( Delta, Colorado )

Print Date: Feb 18 2026 3:34PM

Sampled As	:	Unnamed		Clayey, mixed, active, mesic, shallow Typic Haplargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96763

---

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
13N09802	0-9	A	HM	24.03	676.81	17.99	0.36	743.06	2.21	113.12		83.03	0.01	93.94
13N09803	9-21	BCtz	HM	24.24	617.57	16.97	0.27	690.25	2.25	147.01		84.82	--	94.32
13N09804	21-33	C	HM	24.73	587.09	18.00	0.30	685.03	2.36	155.14		83.47	--	93.40
13N09805	33-46	Cr	HM	25.12	552.88	16.67	0.30	648.92	2.17	147.06		81.39	0.01	89.43

---

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
13N09802	0-9	A	HM	70905	22586	25708	19349	9980	162	2779	762	238909	115	3506	122
13N09803	9-21	BCtz	HM	77316	26066	26716	21065	11179	160	3951	737	195370	166	3690	126
13N09804	21-33	C	HM	76908	21357	27350	20032	10035	153	5897	692	241366	157	3797	131
13N09805	33-46	Cr	HM	75737	39903	26107	19455	10298	144	6624	746	226573	165	3530	121

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

*** Primary Characterization Data ***

Pedon ID: S2013CO029016

( Delta, Colorado )

Print Date: Feb 18 2026 3:34PM

Sampled As	:	Unnamed		Clayey, mixed, active, mesic, shallow Typic Haplargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96763

---

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

13N09803

9.0-21.0

BCtz

tcly

KK 3

MI 2

QZ 2

VR 2

CA 1

KK 36

CMIX

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	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