*** Primary Characterization Data ***

Pedon ID: S03MT-001-001A

( Beaverhead, Montana )

Print Date: Dec 5 2025 10:37PM

Sampled as on Sep 16, 2003:	Lehunt ; Fine, smectitic Oxyaquic Haplocryalf
Revised to SSL on Dec 17, 2004:	Lehunt ; Fine-loamy, mixed, superactive Oxyaquic Haplocryalf

				United States Department of Agriculture
SSL	-	Project	C2003USMT179   Big Hole Valley	Natural Resources Conservation Service
	-	Site ID	S03MT-001-001A	National Soil Survey Center
	-	Pedon No.	03N1008	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
03N05120	A	A	0-10	S03MT-001-001A-1			FSL	L
03N05121	E	E	10-35	S03MT-001-001A-2			FSL	VFSL
03N05122	Btn	Btn	35-50	S03MT-001-001A-3			C	L

---

---

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
03N05120	0-10	A	S	l	8.6	39.8	51.6	2.1		18.5	21.3	23.7	21.9	5.3	0.6	0.1	--	--	--	28	--
03N05121	10-35	E	S	vfsl	4.0	37.9	58.1	0.8		16.2	21.7	26.7	23.8	6.9	0.7	--	tr	--	--	31	tr
03N05122	35-50	Btn	S	l	17.7	31.6	50.7	9.5		10.2	21.4	24.1	18.6	7.2	0.8	--	--	--	--	27	--

---

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
03N05120	0-10	A	S							6.7		1.011				1.10	0.78
03N05121	10-35	E	S							4.3		1.006				1.38	1.08
03N05122	35-50	Btn	S							12.6		1.015				0.83	0.71

*** Primary Characterization Data ***

Pedon ID: S03MT-001-001A

( Beaverhead, Montana )

Print Date: Dec 5 2025 10:37PM

Sampled As	:	Lehunt		Fine, smectitic Oxyaquic Haplocryalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  03N1008

---

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				4G1	4G1	4G1		4G2	4G2	4G2	4G2	4G2
03N05120	0-10	A	S	0.39	0.09	0.02	0.3		4	0.3	--	tr	0.05	0.01	0.03	0.03	0.03	1805.6
03N05121	10-35	E	S	0.18	0.05	0.01	0.1		3	0.3	--	tr	0.07	0.01	0.04	0.05	0.03	1140.6
03N05122	35-50	Btn	S	0.20	0.05	0.01	0.1		3	0.4	0.1	tr	0.17	0.02	0.09	0.12	0.08	2663.0

---

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						4B1a1a
03N05120	0-10	A	S	4.9*	0.3	21.1	2.2	28.5					9.5				100
03N05121	10-35	E	S	3.2*	0.5	8.7	0.4	12.8					5.5				100
03N05122	35-50	Btn	S	5.9*	2.0	18.0	0.5	26.4					14.7				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
03N05120	0-10	A	S	0.7	tr	219.6	2.8	--	25.3	1.5	137.9	4.1	0.3	--	35.2	1.9	13.7	34.9	0.5	16.99	5.26	100*	377
03N05121	10-35	E	S	0.9	0.1	51.3	0.1	--	14.3	0.1	20.9	2.0	tr	--	8.4	0.2	2.6	42.5	0.2	4.77	1.58	100*	71
03N05122	35-50	Btn	S	0.5	0.1	40.1	tr	--	12.3	0.4	12.3	3.0	--	--	9.5	--	1.1	54.0	0.1	3.64	1.82	100*	73

^*ESP set to 100, Na exceeds measured exchange capacity.

*** Primary Characterization Data ***

Pedon ID: S03MT-001-001A

( Beaverhead, Montana )

Print Date: Dec 5 2025 10:37PM

Sampled As	:	Lehunt		Fine, smectitic Oxyaquic Haplocryalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  03N1008

---

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		4C1a1a1	4E1a1a1a1		4E2a1a1a1
03N05120	0-10	A	S		10.3	10.5	10.3		9.7	tr		--
03N05121	10-35	E	S		9.8	10.2	10.3		9.4	tr		--
03N05122	35-50	Btn	S		10.1	10.1	9.8		10.0	1		--

---

Phosphorous				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-
					(- - - - - - - - - - - - - - - - - - - - - - - Phosphorous - - - - - - - - - - - - - - - - - - - - -)										KCl
				Melanic	NZ	Acid	Anion Exch Resin		Bray	Bray	Olsen	H2O	Citric	Mehlich	Extr
	Depth			Index		Oxal	Available	Capacity	1	2			Acid	III	NO3
Layer	(cm)	Horz	Prep		%	(- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -)
						4G2			4D3a1		4D5a1
03N05120	0-10	A	S			247.6			82.3		28.7
03N05121	10-35	E	S			--			21.0		10.3
03N05122	35-50	Btn	S			103.6			48.6		29.9

---

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
03N05120	0-10	A	HM	0.08	4.24	119.68	0.34	0.22	3.09	8.62	9.13	458.10	0.29		6
03N05121	10-35	E	HM	0.03	3.67	126.61	0.33	0.15	4.28	9.92	8.88	299.70	0.06		7
03N05122	35-50	Btn	HM	0.14	6.97	112.96	0.66	0.18	5.80	15.23	11.55	346.42	--		16

*** Primary Characterization Data ***

Pedon ID: S03MT-001-001A

( Beaverhead, Montana )

Print Date: Dec 5 2025 10:37PM

Sampled As	:	Lehunt		Fine, smectitic Oxyaquic Haplocryalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  03N1008

---

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
03N05120	0-10	A	HM	3.53	317.22	5.24	--	129.26	1.01	31.20		21.24	0.24	33.88
03N05121	10-35	E	HM	4.34	208.69	4.26	--	152.26	0.77	33.58		22.51	0.18	21.10
03N05122	35-50	Btn	HM	10.00	291.34	5.63	--	140.96	1.02	33.52		30.66	0.48	40.22

---

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
03N05120	0-10	A	HM	37080	5736	12852	14527	3339	488	14754	328	384051	116	1906	55
03N05121	10-35	E	HM	38918	6094	12670	14747	3345	336	13264	235	380713	133	1966	54
03N05122	35-50	Btn	HM	43819	5220	17908	14443	6845	357	12116	277	375389	102	2037	49

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

*** Primary Characterization Data ***

Pedon ID: S03MT-001-001A

( Beaverhead, Montana )

Print Date: Dec 5 2025 10:37PM

Sampled As	:	Lehunt		Fine, smectitic Oxyaquic Haplocryalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  03N1008

---

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

7A1a1

tion

Layer

(cm)

Horz

ion

( - - - - - - - - - peak size - - - - - - - - - - )

(- - - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)

mg g-1

03N05120

0.0-10.0

A

tcly

MI 2

KK 1

QZ 1

CMIX

03N05121

10.0-35.0

E

tcly

MI 2

KK 1

QZ 1

CMIX

03N05122

35.0-50.0

Btn

tcly

MT 3

MI 2

KK 1

VR 1

QZ 1

SMEC

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
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	SMEC - Smectitic

*** Primary Characterization Data ***

Pedon ID: S03MT-001-001A

( Beaverhead, Montana )

Print Date: Dec 5 2025 10:37PM

Sampled As	:	Lehunt		Fine, smectitic Oxyaquic Haplocryalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  03N1008

---

Sand - Silt Mineralogy (2.0-0.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Optical

EGME

Inter

Tot Re

Grain Count

Retn

preta

Depth

Fract

7B1a2

tion

Layer

(cm)

Horz

ion

( - - - - - - - - peak size - - - - - - - - - )

(- - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -)

mg g-1

03N05120

0.0-10.0

A

vfs

76

QZ 73

FK 14

GS 7

HN 2

CD 1

PR 1

SMIX

RA 1

MS 1

OP 1

FP tr

PO tr

ZR tr

BT tr

GN tr

FG tr

GC tr

HG tr

QG tr

FE tr

MZ tr

03N05121

10.0-35.0

E

vfs

71

QZ 68

FK 13

GS 12

RA 3

FP 1

MS 1

SMIX

BT 1

GN tr

BY tr

FG tr

HG tr

QG tr

OP tr

HN tr

FE tr

PO tr

PR tr

ZR tr

CD tr

03N05122

35.0-50.0

Btn

vfs

78

QZ 76

FK 17

RA 2

AR 1

MS 1

FP 1

SMIX

BT 1

GS 1

HN tr

FE tr

MZ tr

BY tr

FG tr

GC tr

HG tr

QG tr

CD tr

OP tr

ZR tr

PR tr

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm

*** Primary Characterization Data ***

Pedon ID: S03MT-001-001A

( Beaverhead, Montana )

Print Date: Dec 5 2025 10:37PM

Sampled As	:	Lehunt		Fine, smectitic Oxyaquic Haplocryalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  03N1008

---

MINERAL INTERPRETATION:
AR Weatherable Aggregates	BT Biotite	BY Beryl	CD Chert (Chalcedony	FE Iron Oxides (Goethite
FG Glass Coated Feldspar	FK Potassium Feldspar	FP Plagioclase Feldspar	GC Glass Coated Grain	GN Garnet
GS Glass	HG Glass Coated Hornblende	HN Hornblende	MS Muscovite	MZ Monazite
OP Opaques	PO Plant Opal	PR Pyroxene	QG Glass Coated Quartz	QZ Quartz
RA Resistant Aggregates	ZR Zircon

INTERPRETATION (BY HORIZON):
SMIX - Mixed Sand