*** Primary Characterization Data ***

Pedon ID: S2013CO029013b

( Delta, Colorado )

Print Date: Feb 16 2026 4:36PM

Sampled as on Jun 11, 2013:	unnamed ; Fine-silty, mixed, active, mesic Typic Haplocambids
Revised to :

				United States Department of Agriculture
SSL	-	Project	C2013USCO110   Selenium - Mancos Shale Part II	Natural Resources Conservation Service
	-	Site ID	S2013CO029013b   Lat: 38° 37' 21.07" north  Long: 107° 53' 19.25" west  MLRA: 34B	National Soil Survey Center
	-	Pedon No.	13N96760	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
13N09789	A	A	0-5	S2013CO029013b-1			SICL	SIC
13N09790	Btyz	Btyz	5-18	S2013CO029013b-2			SIL	SIC
13N09791	C1	C1	18-43	S2013CO029013b-3			SIL	C
13N09792	C2	C2	43-64	S2013CO029013b-4			SIL	SIC
13N09793	Cr	Cr	64-76	S2013CO029013b-5				C

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, total, Weighted Average	55	% wt
Clay, carbonate free, Weighted Average	54	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4	0.64	(NA)
Weighted Particles, 0.1-75mm, 75 mm Base	29	% wt
Weighted averages based on control section: 25-63 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
13N09789	0-5	A	S	sic	48.2	47.3	4.5		1.2	30.2	17.1	3.9	0.3	0.1	0.1	0.1	1	tr	--	2	1
13N09790	5-18	Btyz	S	sic	48.8	46.1	5.1		--	29.9	16.2	4.5	0.5	tr	0.1	tr	--	--	--	1	--
13N09791	18-43	C1	S	c	54.3	38.5	7.2		--	25.5	13.0	6.6	0.4	0.1	0.1	tr	10	1	--	12	11
13N09792	43-64	C2	S	sic	55.0	40.5	4.5		1.1	25.6	14.9	4.2	0.2	0.1	tr	--	31	14	--	45	45
13N09793	64-76	Cr	S	c	59.0	38.7	2.3		--	26.5	12.2	1.9	0.3	tr	0.1	tr	15	40	24	79	79

*** Primary Characterization Data ***

Pedon ID: S2013CO029013b

( Delta, Colorado )

Print Date: Feb 16 2026 4:36PM

Sampled As	:	unnamed		Fine-silty, mixed, active, mesic Typic Haplocambids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96760

---

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
13N09789	0-5	A	S							12.2		1.044	1.043			0.54	0.25
13N09790	5-18	Btyz	S							12.9		1.044	1.041			0.53	0.26
13N09791	18-43	C1	S							15.9		1.050	1.050			0.66	0.29
13N09792	43-64	C2	S							14.8		1.051	1.050			0.63	0.27
13N09793	64-76	Cr	S							17.0		1.064				0.62	0.29

---

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
13N09789	0-5	A	S	1.18	--	0.19	0.5
13N09790	5-18	Btyz	S	1.14	--	0.22	0.5
13N09791	18-43	C1	S	0.90	--	0.58	0.6
13N09792	43-64	C2	S	0.85	--	0.79	0.7
13N09793	64-76	Cr	S	0.85	0.04	1.46	0.7		15

---

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
13N09789	0-5	A	S	79.7*	9.7	1.1	1.1	91.6					26.0				100
13N09790	5-18	Btyz	S	78.0*	10.9	11.1	1.0	101.0					25.9				100
13N09791	18-43	C1	S	39.2*	19.7	49.7	1.1	109.7	1.9				35.9				100
13N09792	43-64	C2	S	35.6*	22.3	46.1	1.2	105.2	2.8				34.5				100
13N09793	64-76	Cr	S	89.8*	21.9	42.0	1.3	155.0	3.0				36.4				100

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

*** Primary Characterization Data ***

Pedon ID: S2013CO029013b

( Delta, Colorado )

Print Date: Feb 16 2026 4:36PM

Sampled As	:	unnamed		Fine-silty, mixed, active, mesic Typic Haplocambids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96760

---

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
13N09789	0-5	A	S	26.2	4.2	8.0	0.7	--	2.3	--	tr	--	--	--	36.3	0.2	0.7	43.1	0.1	2.97	1.58	3	2
13N09790	5-18	Btyz	S	20.8	4.2	66.2	0.4	--	2.5	--	0.1	--	--	--	85.3	0.3	1.1	58.9	0.3	6.76	3.50	28	19
13N09791	18-43	C1	S	17.8	42.6	273.8	1.2	--	1.8	--	0.9	--	--	--	308.1	--	--	82.4	1.3	18.66	8.48	76	50
13N09792	43-64	C2	S	18.5	69.2	290.4	1.5	--	1.4	--	--	--	--	--	347.2	--	0.2	77.2	1.4	20.90	3.46	69	44
13N09793	64-76	Cr	S	17.9	33.4	172.8	1.1	--	1.5	--	0.3	--	--	--	218.4	0.1	3.4	101.4	1.2	14.26	8.02	67	34

---

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
13N09789	0-5	A	S		7.8	8.0	7.9			6		1
13N09790	5-18	Btyz	S		8.1	8.2	8.1			5		1
13N09791	18-43	C1	S		8.4	8.3	8.4			2		tr
13N09792	43-64	C2	S		8.0	8.0	8.0			1		1
13N09793	64-76	Cr	S		8.4	8.3	8.4			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
13N09789	0-5	A	HM	0.11	14.18	142.89	2.48	0.13	6.50	37.20	17.60	219.41	1.72		46
13N09790	5-18	Btyz	HM	0.12	13.46	126.17	2.22	0.08	6.32	35.08	16.28	229.98	1.72		29
13N09791	18-43	C1	HM	0.12	12.65	103.93	2.76	0.09	5.70	31.02	14.80	130.57	1.70		15
13N09792	43-64	C2	HM	0.13	19.53	137.60	2.95	0.11	6.13	32.20	15.18	123.41	2.43		19
13N09793	64-76	Cr	HM	0.16	19.36	100.64	2.80	0.08	5.40	27.09	14.93	133.76	2.53		5

*** Primary Characterization Data ***

Pedon ID: S2013CO029013b

( Delta, Colorado )

Print Date: Feb 16 2026 4:36PM

Sampled As	:	unnamed		Fine-silty, mixed, active, mesic Typic Haplocambids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96760

---

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
13N09789	0-5	A	HM	20.38	586.22	23.19	0.67	576.99	2.89	82.64		71.31	0.06	85.47
13N09790	5-18	Btyz	HM	19.87	575.42	21.66	0.68	701.08	2.74	77.32		67.32	0.02	79.40
13N09791	18-43	C1	HM	18.22	494.43	20.62	0.71	941.56	3.37	81.46		58.63	0.11	77.94
13N09792	43-64	C2	HM	19.04	499.02	22.81	0.79	862.81	3.30	150.97		59.45	0.02	83.59
13N09793	64-76	Cr	HM	17.86	453.01	24.80	0.83	1004.34	3.86	178.87		50.75	0.03	83.60

---

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
13N09789	0-5	A	HM	72868	22344	24667	21404	14845	245	3250	627	267381	97	3009	127
13N09790	5-18	Btyz	HM	70455	21509	24132	20109	14498	259	5006	642	263678	94	2961	128
13N09791	18-43	C1	HM	76720	11039	21689	21905	14154	148	12800	597	274460	119	2665	128
13N09792	43-64	C2	HM	69649	9189	21595	21066	13128	138	12301	638	278203	174	2637	131
13N09793	64-76	Cr	HM	77381	19671	22155	20165	13538	140	11088	487	252825	204	2445	120

^1,1,2,3,4 Multiple values present due to instrumentation or analyzed size fraction. See laboratory for more information.

*** Primary Characterization Data ***

Pedon ID: S2013CO029013b

( Delta, Colorado )

Print Date: Feb 16 2026 4:36PM

Sampled As	:	unnamed		Fine-silty, mixed, active, mesic Typic Haplocambids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  13N96760

---

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

13N09790

5.0-18.0

Btyz

tcly

MT 3

KK 2

QZ 2

MI 2

CL 1

KK 25

CA 2

SMEC

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	CL Chlorite	KK Kaolinite	MI Mica	MT Montmorillonite
QZ Quartz

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

INTERPRETATION (BY HORIZON):
SMEC - Smectitic