*** Primary Characterization Data ***

Pedon ID: 88MT105001

( Valley, Montana )

Print Date: Nov 11 2024 9:40PM

Sampled as on Aug 1, 1988:	Scobey ; Fine, montmorillonitic Aridic Argiboroll
Revised to correlated:	Telstad ; Fine-loamy, mixed, superactive Aridic Argiborolls

				United States Department of Agriculture
SSL	-	Project	CP88MT223   MONTANA ARIDISOL TOUR	Natural Resources Conservation Service
	-	Site ID	S1988MT105001   Lat: 48° 21' 23.00" north  Long: 106° 45' 51.00" west  MLRA: 52	National Soil Survey Center
	-	Pedon No.	88P0849	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
88P04475	A1	A1	0-5				L	L
88P04476	A2	A2	5-12				CL	L
88P04477	Bt	Bt	12-30				CL	CL
88P04478	Btk	Btk	30-60				CL	CL
88P04479	Bk1	Bk1	60-78				CL	CL
88P04480	Bk2	Bk2	78-101				CL	CL
88P04481	By	BY	101-132				CL	CL
88P04482	Cd	CD	132-167					CL
88P04483			0-0		RBG1			SCL
88P04484			0-0		ROOT MASS

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.63	(NA)
Clay, carbonate free, Weighted Average	29	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	31	% wt
Volume, >2mm, Weighted Average	3	% vol
Clay, total, Weighted Average	33	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 13-63 cm

*** Primary Characterization Data ***

Pedon ID: 88MT105001

( Valley, Montana )

Print Date: Nov 11 2024 9:40PM

Sampled As	:	Scobey		Fine, montmorillonitic Aridic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  88P0849

---

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
88P04475	0-5	A1	S	l	14.8	34.6	50.6	6.8		15.9	18.7	16.8	17.3	10.5	3.8	2.2	1	1	--	35	2
88P04476	5-12	A2	S	l	23.2	30.5	46.3	13.7		13.2	17.3	14.5	16.2	8.9	3.6	3.1	3	3	1	37	7
88P04477	12-30	Bt	S	cl	35.1	24.4	40.5	13.3		13.2	11.2	11.5	14.0	9.4	3.7	1.9	2	1	--	31	3
88P04478	30-60	Btk	S	cl	31.6	30.5	37.9	8.5	6.3	18.1	12.4	11.7	13.4	6.7	3.7	2.4	4	2	1	31	7
88P04479	60-78	Bk1	S	cl	36.2	31.6	32.2	10.8	5.1	20.1	11.5	11.4	13.0	4.8	1.9	1.1	2	2	--	24	4
88P04480	78-101	Bk2	S	cl	34.9	31.8	33.3	11.8		20.7	11.1	12.0	13.5	4.9	1.7	1.2	1	2	--	24	3
88P04481	101-132	By	S	cl	33.9	32.2	33.9	7.7		21.1	11.1	13.2	13.0	4.7	1.8	1.2	1	2	--	23	3
88P04482	132-167	Cd	S	cl	35.1	31.9	33.0	11.1		20.6	11.3	13.8	12.9	4.1	1.5	0.7	2	3	--	23	5
88P04483	0-0		S	scl	22.6	19.9	57.5			9.8	10.1	15.7	23.3	13.0	3.3	2.2	1	3	1	45	5
88P04484	0-0		S														--	--	--

---

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	3F1a1a	8D1	8D1
88P04475	0-5	A1	S	0.84	0.96	0.045			29.5	7.8		1.012		0.18		0.76	0.53
88P04476	5-12	A2	S	1.35	1.43	0.019			17.1	8.7		1.014		0.11	63	0.71	0.38
88P04477	12-30	Bt	S	1.39	1.57	0.041			20.8	14.1		1.023		0.09	75	0.72	0.40
88P04478	30-60	Btk	S	1.51	1.69	0.037			22.3	11.1		1.015		0.16	20	0.46	0.35
88P04479	60-78	Bk1	S	1.50	1.72	0.046			22.9	13.2		1.018		0.14	19	0.53	0.36
88P04480	78-101	Bk2	S	1.53	1.75	0.045			22.5	13.0		1.018		0.14	8	0.59	0.37
88P04481	101-132	By	S	1.51	1.64	0.027			21.0	11.7		1.030	1.020	0.14	5	0.57	0.35
88P04482	132-167	Cd	S	1.51	1.73	0.045			23.7	13.1			1.025	0.16	1	0.60	0.37
88P04483	0-0		S							8.3		1.015			2	0.73	0.37

^1,1 Analyzed size fraction = <80 Mesh

*** Primary Characterization Data ***

Pedon ID: 88MT105001

( Valley, Montana )

Print Date: Nov 11 2024 9:40PM

Sampled As	:	Scobey		Fine, montmorillonitic Aridic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  88P0849

---

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
88P04475	0-5	A1	S	31	10
88P04476	5-12	A2	S	31	16
88P04477	12-30	Bt	S	45	32
88P04479	60-78	Bk1	S	43	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 - - - - -)
				6A2d	6B3a	6R3a		6A1c		6C2b	6G7a	6D2a
88P04475	0-5	A1	S	2.19	0.197	0.02		2.36	12	0.7	0.1	tr
88P04476	5-12	A2	S	1.02	0.121	0.02		1.17	10	0.9	0.1	tr
88P04477	12-30	Bt	S	1.17	0.107	0.02		0.97	9	0.9	0.1	tr
88P04478	30-60	Btk	S	2.14		0.02		0.49		0.5	0.1	tr
88P04479	60-78	Bk1	S	1.97		0.03		0.29		0.7	0.1	tr
88P04480	78-101	Bk2	S	1.56		0.02		0.28		0.8	0.1	tr
88P04481	101-132	By	S	1.21		1.88		0.22		0.7	0.1	tr
88P04482	132-167	Cd	S	1.32		0.66		0.21		0.9	0.1	tr
88P04483	0-0		S		0.071			0.55	8

---

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

88P04481

101-132

By

S

0.01

1.12

*** Primary Characterization Data ***

Pedon ID: 88MT105001

( Valley, Montana )

Print Date: Nov 11 2024 9:40PM

Sampled As	:	Scobey		Fine, montmorillonitic Aridic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  88P0849

---

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

6H5a

5A3a

4B1a1a

88P04475

0-5

A1

S

11.7*

3.4

0.1

0.9

3.5

11.2

82

100

88P04476

5-12

A2

S

15.6

3.0

18.6

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

---

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						5A8b			5C3	5C1
88P04475	0-5	A1	S	0.6*	0.3	tr	0.1						0.4			22	100
88P04476	5-12	A2	S	9.2	5.4	tr	1.0						16.4			84	95
88P04477	12-30	Bt	S	37.5*	11.9	0.1	0.9						25.3			100	100
88P04478	30-60	Btk	S	41.9*	11.6	0.8	0.5						14.6			100	100
88P04479	60-78	Bk1	S	43.4*	18.8	2.5	0.7						19.1			100	100
88P04480	78-101	Bk2	S	41.7*	20.1	3.6	0.8						20.7			100	100
88P04481	101-132	By	S	94.4*	17.1	4.0	0.7						19.4			100	100
88P04482	132-167	Cd	S	51.4*	15.7	4.8	0.8						21.2			100	100
88P04483	0-0		S	16.4*	7.1	0.3	0.7						16.5			100	100

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

*** Primary Characterization Data ***

Pedon ID: 88MT105001

( Valley, Montana )

Print Date: Nov 11 2024 9:40PM

Sampled As	:	Scobey		Fine, montmorillonitic Aridic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  88P0849

---

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
88P04475	0-5	A1	S	5.5	4.1	0.3	1.1	--	8.0	0.2	0.3				2.8	--	--	50.4	tr	0.98	0.39	1	tr
88P04476	5-12	A2	S	1.4	1.1	0.3	0.3	--	1.7	0.3	0.3				0.6	--	--	39.4	tr	0.34	0.11	--	tr
88P04477	12-30	Bt	S	3.6	2.8	0.7	0.3	--	4.7	0.3	0.3				0.7	--	--	55.2	tr	0.61	0.34	tr	tr
88P04478	30-60	Btk	S	0.9	1.5	4.2	0.2	--	4.5	0.2	0.4				0.8	0.2	0.1	43.1	tr	0.60	0.34	4	4
88P04479	60-78	Bk1	S	0.5	1.4	8.1	0.2	--	4.9	0.3	2.2				2.2	0.2	--	58.1	tr	0.97	0.56	11	8
88P04480	78-101	Bk2	S	1.1	4.1	15.7	0.3	--	3.3	0.5	4.3				12.8	--	--	55.9	0.1	1.99	0.84	13	10
88P04481	101-132	By	S	24.3	44.1	39.5	1.0	--	1.5	1.5	7.7				98.9	--	--	53.4	0.3	6.96	4.34	10	7
88P04482	132-167	Cd	S	24.0	40.1	40.5	1.0	--	1.6	1.4	8.5				89.7	--	--	58.3	0.3	6.87	4.38	12	7
88P04483	0-0		S	3.4	2.2	1.8	0.3	--	5.9	0.1	0.2				0.8	--	--	40.5	tr	0.62	0.32	1	1

¹ Analyzed size fraction = <2 mm

---

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
				4C1a2a3	4C1a2a	4C1a2a	8C1b			6E1g		4E2a1a1a1		8E1
88P04475	0-5	A1	S	6.2	6.7	7.1	6.6			tr
88P04476	5-12	A2	S	5.6	6.2	6.8	6.4
88P04477	12-30	Bt	S	6.9	7.4	7.9	7.1			3
88P04478	30-60	Btk	S	7.6	7.9	8.6	7.9			14
88P04479	60-78	Bk1	S	7.7	8.2	8.9	8.3			14
88P04480	78-101	Bk2	S	7.9	8.3	8.9	8.4			9
88P04481	101-132	By	S	7.6	8.0	8.1	7.9			8		6		530
88P04482	132-167	Cd	S	7.4	7.9	8.0	7.7			7		2
88P04483	0-0		S	7.2	7.6	8.0	7.6			1

¹ Analyzed size fraction = <80 Mesh

*** Primary Characterization Data ***

Pedon ID: 88MT105001

( Valley, Montana )

Print Date: Nov 11 2024 9:40PM

Sampled As	:	Scobey		Fine, montmorillonitic Aridic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  88P0849

---

Phosphorus				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-
					(- - - - - - - - - - - - - - - - - - - - - - - Phosphorus - - - - - - - - - - - - - - - - - - - - -)										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 - - - - - - - - - - - - - - - - - - - -)
					6S4				6S3
88P04475	0-5	A1	S		32				27.0
88P04476	5-12	A2	S		30				8.0
88P04477	12-30	Bt	S		38				3.0
88P04478	30-60	Btk	S		47				tr
88P04479	60-78	Bk1	S		40				1.0
88P04480	78-101	Bk2	S		29				11.0
88P04481	101-132	By	S		25				tr
88P04482	132-167	Cd	S		23				9.0

*** Primary Characterization Data ***

Pedon ID: 88MT105001

( Valley, Montana )

Print Date: Nov 11 2024 9:40PM

Sampled As	:	Scobey		Fine, montmorillonitic Aridic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  88P0849

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Clay Mineralogy (<.002 mm)

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X-Ray

Thermal

Elemental

EGME

Inter

SiO2

Al2O3

Fe2O3

MgO

CaO

K2O

Na2O

Retn

preta

Depth

Fract

7A2i

7C3

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

88P04475

0.0-5.0

A1

tcly

MT 3

MI 3

KK 2

QZ 1

16

6.6

2.5

88P04477

12.0-30.0

Bt

tcly

MT 3

MI 2

KK 2

MM 1

QZ 1

20

7.7

2.2

88P04479

60.0-78.0

Bk1

tcly

MT 3

KK 2

MI 2

CL 1

CA 1

17

6.9

2.1

QZ 1

88P04481

101.0-132.0

By

tcly

MT 3

VR 3

MI 3

KK 3

QZ 2

18

7.0

2.4

CA 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	CL Chlorite	KK Kaolinite	MI Mica	MM Montmorillonite-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