*** Primary Characterization Data ***

Pedon ID: 82MT073001

( Pondera, Montana )

Print Date: Nov 11 2024 9:35PM

Sampled as on Oct 1, 1982:	Scobey ; Fine, montmorillonitic Aridic Argiboroll
Revised to correlated:	Scobey ; Fine, smectitic Aridic Argiborolls

				United States Department of Agriculture
SSL	-	Project	CP83NL194   INTERNATIONAL SOILS MUSEUM	Natural Resources Conservation Service
	-	Site ID	S1982MT073001   Lat: 48° 18' 34.00" north  Long: 111° 55' 26.00" west  MLRA: 52	National Soil Survey Center
	-	Pedon No.	83P0641	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
83P03151	Ap1	Ap1	0-5				CL	CL
83P03152	Ap2	Ap2	5-15				CL	CL
83P03153	Bt	Bt	15-31				CL	C
83P03154	Bk1	Bk1	31-46				CL	CL
83P03155	Bk2	Bk2	46-65				CL	CL
83P03156	Bk3	Bk3	65-95				CL	SICL
83P03157	B	BC	95-130				C	SICL
83P03158	By	CY	130-160				C	SICL

---

---

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	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
83P03151	0-5	Ap1	S	cl	32.8	38.0	29.2	16.8		20.1	17.9	9.6	12.4	4.7	1.6	0.9	1	1	7	27	9
83P03152	5-15	Ap2	S	cl	33.3	36.3	30.4	17.9		19.9	16.4	10.7	12.7	5.0	1.4	0.6	1	1	5	25	7
83P03153	15-31	Bt	S	c	45.3	38.2	16.5	28.6		18.7	19.5	6.6	6.0	2.6	0.9	0.4	1	tr	--	11	1
83P03154	31-46	Bk1	S	cl	36.5	34.7	28.8	11.8	5.8	19.7	15.0	9.9	10.6	5.3	1.8	1.2	2	3	2	25	7
83P03155	46-65	Bk2	S	cl	36.0	33.3	30.7	11.5	5.2	21.7	11.6	9.0	13.4	5.9	1.6	0.8	1	1	--	23	2
83P03156	65-95	Bk3	S	sicl	39.1	41.5	19.4	12.7	4.0	27.9	13.6	6.2	8.1	3.4	1.2	0.5	1	1	--	15	2
83P03157	95-130	B	S	sicl	39.3	46.5	14.2	14.2	0.9	31.8	14.7	4.9	5.5	2.2	1.0	0.6	1	2	2	14	5
83P03158	130-160	By	S	sicl	39.3	43.6	17.1	11.6	1.8	28.9	14.7	6.5	7.0	2.4	0.8	0.4	2	1	1	14	4

*** Primary Characterization Data ***

Pedon ID: 82MT073001

( Pondera, Montana )

Print Date: Nov 11 2024 9:35PM

Sampled As	:	Scobey		Fine, montmorillonitic Aridic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  83P0641

---

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	%
				4A1d	4A1h				4B1c	3C2a1a		3D1	4E2a1a1a1	4C1		8D1	8D1
83P03151	0-5	Ap1	S	1.35	1.56	0.047			23.8	12.1		1.016		0.15		0.64	0.37
83P03152	5-15	Ap2	S	1.45	1.64	0.040			22.2	12.8		1.017		0.13		0.68	0.38
83P03153	15-31	Bt	S	1.25	1.51	0.065			29.2	16.4		1.027		0.16		0.65	0.36
83P03154	31-46	Bk1	S	1.22	1.34	0.031			27.6	12.2		1.015		0.18		0.50	0.33
83P03155	46-65	Bk2	S	1.38	1.49	0.026			20.9	11.1		1.016		0.13		0.47	0.31
83P03156	65-95	Bk3	S	1.64	1.75	0.022			12.9	11.9		1.018		0.02		0.45	0.30
83P03157	95-130	B	S	1.65	1.84	0.036			17.8	12.2		1.016		0.09		0.47	0.31
83P03158	130-160	By	S	1.56	1.79	0.046			20.3	13.9			1.010	0.10		0.44	0.35

---

Water Content				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-
				(- - Atterberg - -)		(- - - - - Bulk Density - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)
				(- - - Limits - - -)		Field	Recon	Recon	Field	Recon	(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)
				LL	PI		33	Oven		33	6	10	33	100	200	500
	Depth						kPa	Dry		kPa	kPa	kPa	kPa	kPa	kPa	kPa
Layer	(cm)	Horz	Prep	pct <0.4mm		(- - - - - - - - g cm-3 - - - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)
				4F1	4F
83P03151	0-5	Ap1	S	36	19
83P03152	5-15	Ap2	S	36	19
83P03153	15-31	Bt	S	48	28
83P03154	31-46	Bk1	S	42	23
83P03155	46-65	Bk2	S	39	18
83P03156	65-95	Bk3	S	43	24
83P03157	95-130	B	S	45	27
83P03158	130-160	By	S	43	24

*** Primary Characterization Data ***

Pedon ID: 82MT073001

( Pondera, Montana )

Print Date: Nov 11 2024 9:35PM

Sampled As	:	Scobey		Fine, montmorillonitic Aridic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  83P0641

---

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 - - - - -)
				6A2d	6B3a			6A1c		6C2b	6G7a	6D2a
83P03151	0-5	Ap1	S	1.57	0.167			1.66	10	0.9	0.1	tr
83P03152	5-15	Ap2	S	1.52	0.188			1.59	8	1.0	0.1	tr
83P03153	15-31	Bt	S	1.21	0.153			1.22	8	1.1	0.2	tr
83P03154	31-46	Bk1	S	2.98	0.141			1.19	8	0.9	0.1	tr
83P03155	46-65	Bk2	S	2.34	0.098			0.89	9	1.0	0.1	tr
83P03156	65-95	Bk3	S	2.01				0.66		1.1	0.1	tr
83P03157	95-130	B	S	1.49				0.55		1.3	0.1	tr
83P03158	130-160	By	S	0.94				0.40		1.4	tr	tr

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2e	6O2d	6P2b	6Q2b		6H5a			5A3a	5A8b			5C3	5C1
83P03151	0-5	Ap1	S	19.9*	4.9	tr	1.6		2.7				20.9			91	100
83P03152	5-15	Ap2	S	16.8	4.3	tr	1.4	22.5	1.8			24.3	22.8			93	99
83P03153	15-31	Bt	S	23.3*	5.5	tr	1.1		3.8				29.4			89	100
83P03154	31-46	Bk1	S	52.3*	4.6	tr	0.3						18.4			100	100
83P03155	46-65	Bk2	S	51.9*	7.9	tr	0.3						17.0			100	100
83P03156	65-95	Bk3	S	50.5*	16.6	0.1	0.3						17.7			100	100
83P03157	95-130	B	S	46.3*	17.2	0.2	0.4						18.6			100	100
83P03158	130-160	By	S	228.7*	15.9	1.1	0.4						17.3			100	100

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

*** Primary Characterization Data ***

Pedon ID: 82MT073001

( Pondera, Montana )

Print Date: Nov 11 2024 9:35PM

Sampled As	:	Scobey		Fine, montmorillonitic Aridic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  83P0641

---

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 - -)		%
				6N1b	6O1b	6P1b	6Q1b	6I1b	6J1b	6U1a	6K1c				6L1c	6W1a	6M1c	8A	8D5	8A3a	4F1a1a1		5E
83P03151	0-5	Ap1	S	10.2	4.3	0.4	1.1	--	4.3	0.6	2.1				3.5	1.5	7.1	47.3	tr	1.56	0.59	--	tr
83P03152	5-15	Ap2	S	6.1	2.4	0.4	0.7	--	1.3	0.2	0.7				0.9	0.9	6.0	49.6	tr	1.06	0.32	--	tr
83P03153	15-31	Bt	S																		0.19	--
83P03154	31-46	Bk1	S																		0.22	--
83P03155	46-65	Bk2	S																		0.19	--
83P03156	65-95	Bk3	S																		0.21	1
83P03157	95-130	B	S	7.0	10.0	1.3	0.2	--	1.7	0.6	1.2				15.9	--	--	52.9	tr	1.52	0.71	1	tr
83P03158	130-160	By	S	25.3	30.8	4.6	0.4	--	1.3	2.1	3.4				63.9	--	0.4	53.8	0.2	3.95	3.01	5	1

---

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	8C1b			6E1g		4E2a1a1a1		8E1
83P03151	0-5	Ap1	S		7.2	7.3	7.0			tr		--
83P03152	5-15	Ap2	S		6.8	6.9	6.8					--
83P03153	15-31	Bt	S		6.9	7.1				--
83P03154	31-46	Bk1	S		7.8	8.0				17
83P03155	46-65	Bk2	S		8.0	8.1				16
83P03156	65-95	Bk3	S		8.2	8.4				14
83P03157	95-130	B	S		8.2	8.3	8.0			8		--		1400
83P03158	130-160	By	S		7.7	7.7	7.8			5		5

*** Primary Characterization Data ***

Pedon ID: 82MT073001

( Pondera, Montana )

Print Date: Nov 11 2024 9:35PM

Sampled As	:	Scobey		Fine, montmorillonitic Aridic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  83P0641

---

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

7A2i

7A3b

7C3

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

83P03153

15.0-31.0

Bt

tcly

MI 4

MT 3

KK 3

KK 11

7.4

3.1

83P03155

46.0-65.0

Bk2

tcly

MT 3

MI 3

KK 3

CA 1

KK 5

4.9

2.3

83P03157

95.0-130.0

B

tcly

MT 3

MI 3

KK 3

KK 7

6.0

2.9

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	KK Kaolinite	MI Mica	MT Montmorillonite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks