*** Primary Characterization Data ***

Pedon ID: S2013CO029022

( Delta, Colorado )

Print Date: Feb 18 2026 4:25PM

Sampled as on Jul 15, 2013:	Unnamed ; Fine-silty, mixed, active, mesic Typic Haplargids
Revised to :

				United States Department of Agriculture
SSL	-	Project	C2013USCO110   Selenium - Mancos Shale Part II	Natural Resources Conservation Service
	-	Site ID	S2013CO029022   Lat: 38° 37' 21.07" north  Long: 107° 53' 19.25" west  MLRA: 34B	National Soil Survey Center
	-	Pedon No.	13N97171	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
13N11955	A	A	0-3	S2013CO029022-1			SIL	SIC
13N11956	Btz	Btz	3-18	S2013CO029022-2			SICL	SIC
13N11957	C	C	18-102	S2013CO029022-3			SIL	SIC
13N11958	Cr	Cr	102-152	S2013CO029022-4			WB

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Weighted Particles, 0.1-75mm, 75 mm Base	4	% wt
Volume, >2mm, Weighted Average	2	% vol
Clay, total, Weighted Average	47	% wt
Clay, carbonate free, Weighted Average	46	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4	0.54	(NA)
Weighted averages based on control section: 3-18 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
13N11955	0-3	A	S	sic	40.0	52.4	7.6		1.3	25.3	27.1	5.8	1.1	0.4	0.2	0.1	1	2	--	5	3
13N11956	3-18	Btz	S	sic	47.3	47.9	4.8		1.4	24.9	23.0	4.2	0.4	0.1	0.1	--	2	tr	1	4	3
13N11957	18-102	C	S	sic	41.1	55.1	3.8		1.4	27.7	27.4	3.2	0.4	0.1	0.1	tr	14	6	--	20	20
13N11958	102-152	Cr	S														--	--	--	--	--

*** Primary Characterization Data ***

Pedon ID: S2013CO029022

( Delta, Colorado )

Print Date: Feb 18 2026 4:25PM

Sampled As	:	Unnamed		Fine-silty, mixed, active, mesic Typic Haplargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N97171

---

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
13N11955	0-3	A	S							14.0		1.040	1.040			0.59	0.35
13N11956	3-18	Btz	S							16.2		1.051	1.044			0.54	0.34
13N11957	18-102	C	S							13.2		1.039	1.039			0.58	0.32
13N11958	102-152	Cr	GP							13.8		1.044	1.041

---

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
13N11955	0-3	A	S	0.38	0.04	0.10	0.3		9
13N11956	3-18	Btz	S	0.40	0.06	0.73	0.4		6
13N11957	18-102	C	S	0.31	0.03	0.43	0.3		9
13N11958	102-152	Cr	GP	0.26	0.05	0.88	0.2

---

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
13N11955	0-3	A	S	26.3*	2.6	11.3	1.3	41.5	0.2				23.6				100
13N11956	3-18	Btz	S	50.8*	4.0	42.0	1.0	97.8	0.7				25.4				100
13N11957	18-102	C	S	10.9*	5.1	46.2	0.7	62.9	2.6				23.9				100
13N11958	102-152	Cr	GP	26.0	15.3	37.5	0.8		3.0				23.2

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

*** Primary Characterization Data ***

Pedon ID: S2013CO029022

( Delta, Colorado )

Print Date: Feb 18 2026 4:25PM

Sampled As	:	Unnamed		Fine-silty, mixed, active, mesic Typic Haplargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N97171

---

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
13N11955	0-3	A	S	21.1	2.4	76.3	0.6	--	3.0	--	3.3	--	--	--	83.8	0.5	3.3	59.9	0.3	7.30	3.22	29	22
13N11956	3-18	Btz	S	19.7	6.6	269.4	0.5	--	2.2	--	12.5	--	--	--	263.0	--	2.3	73.9	1.1	17.69	10.48	87	74
13N11957	18-102	C	S	17.1	23.4	395.8	0.8	--	0.7	--	12.8	--	--	--	392.6	--	--	56.3	1.2	24.90	8.72	100	88
13N11958	102-152	Cr	GP	19.8	82.8	307.4	0.8	--	0.6	--	1.3	--	--	--	391.3	--	--	67.9		22.70	10.43

---

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

13N11955

0-3

A

S

8.1

8.3

8.1

tr

--

13N11956

3-18

Btz

S

8.3

8.3

8.4

tr

3

13N11957

18-102

C

S

7.6

7.6

7.8

tr

--

13N11958

102-152

Cr

GP

6.9

6.8

6.5

tr

1

---

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
13N11955	0-3	A	HM	0.04	9.52	165.20	1.84	0.09	5.50	32.77	9.84	100.81	1.48		6
13N11956	3-18	Btz	HM	0.05	9.33	151.11	1.91	0.05	5.26	32.84	9.59	84.19	1.50		7
13N11957	18-102	C	HM	0.06	9.77	129.64	2.05	0.07	5.28	33.27	9.05	69.37	1.67		18
13N11958	102-152	Cr	HM	0.03	9.82	114.44	1.99	0.03	6.16	32.23	9.45	75.09	1.05		--

*** Primary Characterization Data ***

Pedon ID: S2013CO029022

( Delta, Colorado )

Print Date: Feb 18 2026 4:25PM

Sampled As	:	Unnamed		Fine-silty, mixed, active, mesic Typic Haplargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N97171

---

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
13N11955	0-3	A	HM	14.05	658.41	17.53	0.32	357.80	1.68	68.22		66.78	0.02	61.69
13N11956	3-18	Btz	HM	13.42	557.88	16.98	0.30	373.19	1.68	78.43		67.06	0.02	62.87
13N11957	18-102	C	HM	15.28	591.19	16.08	0.34	307.56	1.49	36.81		68.49	0.02	60.85
13N11958	102-152	Cr	HM	19.51	532.40	15.19	0.31	323.37	1.51	60.90		65.20	0.01	72.41

---

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
13N11955	0-3	A	HM	65284	7678	26221	21961	10506	121	8596	707	307697	102	3505	145
13N11956	3-18	Btz	HM	65576	13074	24942	20238	10395	95	13204	634	275427	103	3128	118
13N11957	18-102	C	HM	62596	4111	26854	21360	10031	75	14506	651	295115	67	3390	122
13N11958	102-152	Cr	HM	66240	7468	26539	22731	10928	88	13379	670	289776	91	3416	124

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

*** Primary Characterization Data ***

Pedon ID: S2013CO029022

( Delta, Colorado )

Print Date: Feb 18 2026 4:25PM

Sampled As	:	Unnamed		Fine-silty, mixed, active, mesic Typic Haplargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N97171

---

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

13N11956

3.0-18.0

Btz

tcly

MT 3

MI 2

QZ 2

VR 2

KK 1

KK 21

GE 10

SMEC

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
GE Goethite	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):
SMEC - Smectitic