*** Primary Characterization Data ***

Pedon ID: 90MT071009

( Phillips, Montana )

Print Date: Nov 21 2024 2:51PM

Sampled as on Sep 1, 1990:	Phillips ; Fine, montmorillonitic Borollic Natrargid
Revised to correlated:	Phillips ; Fine, smectitic, frigid Borollic Paleargids

				United States Department of Agriculture
SSL	-	Project	CP90MT255   PHILLIPS COUNTY	Natural Resources Conservation Service
	-	Site ID	S1990MT071009   Lat: 47° 52' 3.00" north  Long: 107° 53' 58.99" west  MLRA: 52	National Soil Survey Center
	-	Pedon No.	90P1091	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
90P06731	A	A	0-5				L	L
90P06732	E	E	5-13				L	L
90P06733	Bt1	Bt1	13-28				C	C
90P06734	Bt2	Bt2	28-38				C	C
90P06735	Bk	Bk	38-63				CL	CL
90P06736	Bky	BkY	63-91				CL	CL
90P06737	By1	BY1	91-142				CL	CL
90P06738	By21	BY2	142-190				CL	CL
90P06739	By22	BY2	190-203				CL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.65	(NA)
Clay, carbonate free, Weighted Average	42	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	20	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	43	% wt
Weighted averages based on control section: 13-38 cm

*** Primary Characterization Data ***

Pedon ID: 90MT071009

( Phillips, Montana )

Print Date: Nov 21 2024 2:51PM

Sampled As	:	Phillips		Fine, montmorillonitic Borollic Natrargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  90P1091

---

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
90P06731	0-5	A	S	l	16.9	32.9	50.2	6.8		17.0	15.9	15.1	18.6	11.0	4.5	1.0	2	1	--	37	3
90P06732	5-13	E	S	l	20.0	31.1	48.9	11.9		16.2	14.9	15.3	19.0	9.8	3.4	1.4	2	2	--	36	4
90P06733	13-28	Bt1	S	c	43.3	26.5	30.2	26.0		16.3	10.2	11.8	10.0	5.8	1.8	0.8	1	tr	--	20	1
90P06734	28-38	Bt2	S	c	41.5	29.8	28.7	19.7	1.9	17.3	12.5	10.7	11.0	5.2	1.3	0.5	1	2	1	21	4
90P06735	38-63	Bk	S	cl	37.3	33.7	29.0	16.2	6.2	19.4	14.3	11.2	11.2	4.6	1.4	0.6	10	2	--	28	12
90P06736	63-91	Bky	S	cl	34.0	34.7	31.3	16.4	1.9	20.0	14.7	11.5	12.3	5.2	1.7	0.6	1	1	--	21	2
90P06737	91-142	By1	S	cl	33.0	32.8	34.2			17.8	15.0	12.8	13.3	5.4	1.9	0.8	48	13	4	72	65
90P06738	142-190	By21	S	cl	30.6	32.6	36.8			18.4	14.2	11.8	14.3	7.3	2.4	1.0	1	1	--	27	2
90P06739	190-203	By22	S														2	1	--

---

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
90P06731	0-5	A	S							8.7		1.016				0.95	0.51
90P06732	5-13	E	S							7.3		1.014				0.63	0.37
90P06733	13-28	Bt1	S	1.34	1.67	0.076			27.4	16.7		1.033		0.14		0.66	0.39
90P06734	28-38	Bt2	S	1.34	1.64	0.068			27.7	15.0		1.030		0.17		0.60	0.36
90P06735	38-63	Bk	S	1.51	1.78	0.052			22.6	13.2		1.023		0.13		0.54	0.35
90P06736	63-91	Bky	S	1.53	1.84	0.063			23.3	13.1		1.021		0.15		0.59	0.39
90P06737	91-142	By1	S	1.47	1.96	0.044			25.7	10.4		1.040	1.010	0.11		0.54	0.32
90P06738	142-190	By21	S	1.60	1.84	0.047			20.7	10.8		1.030	1.020	0.16		0.52	0.35
90P06739	190-203	By22	S							12.6		1.030	1.020

*** Primary Characterization Data ***

Pedon ID: 90MT071009

( Phillips, Montana )

Print Date: Nov 21 2024 2:51PM

Sampled As	:	Phillips		Fine, montmorillonitic Borollic Natrargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  90P1091

---

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 - - - - - - - - - - - - - - - - - - - - - -)

3C1e1a

90P06731

0-5

A

S

13.5

90P06732

5-13

E

S

10.4

90P06733

13-28

Bt1

S

20.9

90P06734

28-38

Bt2

S

18.4

90P06735

38-63

Bk

S

17.7

90P06736

63-91

Bky

S

17.7

90P06737

91-142

By1

S

15.9

90P06738

142-190

By21

S

14.4

---

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 - - - - -)

6B3a

6A1c

90P06731

0-5

A

S

0.248

3.31

90P06732

5-13

E

S

0.106

1.00

90P06733

13-28

Bt1

S

0.098

0.79

90P06734

28-38

Bt2

S

0.096

0.90

90P06735

38-63

Bk

S

0.59

90P06736

63-91

Bky

S

0.44

90P06737

91-142

By1

S

0.31

90P06738

142-190

By21

S

0.30

*** Primary Characterization Data ***

Pedon ID: 90MT071009

( Phillips, Montana )

Print Date: Nov 21 2024 2:51PM

Sampled As	:	Phillips		Fine, montmorillonitic Borollic Natrargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  90P1091

---

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
90P06731	0-5	A	S	10.4	3.9	0.1	0.9	15.3	5.8			21.1	16.0			73	96
90P06732	5-13	E	S	6.7	3.6	0.1	0.7	11.1	3.5			14.6	12.6			76	88
90P06733	13-28	Bt1	S	18.8*	10.9	0.7	0.8		3.2				28.6			91	100
90P06734	28-38	Bt2	S	36.7*	11.2	0.9	0.5						25.1			100	100
90P06735	38-63	Bk	S	42.1*	11.7	2.5	0.4						20.3			100	100
90P06736	63-91	Bky	S	38.2*	14.0	5.6	0.4						19.9			100	100
90P06737	91-142	By1	S	114.3*	14.5	6.3	0.3						17.7			100	100
90P06738	142-190	By21	S	69.6*	12.8	6.0	0.3						15.8			100	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 - -)		%
				6N1b	6O1b	6P1b	6Q1b	6I1b	6J1b	6U1a	6K1c				6L1c	6W1a	6M1c	8A	8D5	8A3a	4F1a1a1		5E
90P06731	0-5	A	S	11.3	7.0	1.5	1.4	--	11.3	1.4	0.6				9.0	--	--	45.5	tr	1.70	0.43	1	tr
90P06732	5-13	E	S																		0.09	1
90P06733	13-28	Bt1	S	2.4	1.7	2.8	0.2	--	5.8	0.1	0.4				0.5	--	--	53.6	tr	0.63	0.38	2	2
90P06734	28-38	Bt2	S	1.7	1.1	2.9	0.2	--	3.9	0.1	0.3				0.6	--	--	53.5	tr	0.52	0.28	3	2
90P06735	38-63	Bk	S	0.6	0.4	6.0	0.1	--	4.1	0.2	1.0				1.1	--	--	51.8	tr	0.68	0.46	11	8
90P06736	63-91	Bky	S	3.1	5.7	27.3	0.3	--	2.4	0.7	5.1				27.1	--	--	59.6	0.1	3.14	1.38	20	13
90P06737	91-142	By1	S	20.1	31.5	56.2	0.6	--	1.1	1.4	4.3				97.3	--	--	49.9	0.2	6.43	4.21	20	11
90P06738	142-190	By21	S	20.7	31.7	63.8	0.4	--	1.2	2.4	3.9				106.4	--	3.8	44.7	0.2	6.78	4.01	20	12
90P06739	190-203	By22	S	23.5	26.8	56.6	0.5	--	1.2	2.0	2.2				99.5	--	--	51.1		6.26	3.95

*** Primary Characterization Data ***

Pedon ID: 90MT071009

( Phillips, Montana )

Print Date: Nov 21 2024 2:51PM

Sampled As	:	Phillips		Fine, montmorillonitic Borollic Natrargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  90P1091

---

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
90P06731	0-5	A	S		6.0	6.4	6.2
90P06732	5-13	E	S		5.4	6.0
90P06733	13-28	Bt1	S		7.0	7.5	6.8			1
90P06734	28-38	Bt2	S		7.6	8.2	7.4			7
90P06735	38-63	Bk	S		7.8	8.6	7.9			11		--
90P06736	63-91	Bky	S		8.1	8.4	7.9			7		--
90P06737	91-142	By1	S		7.8	7.8	7.8			4		13
90P06738	142-190	By21	S		7.8	7.8	7.8			3		3
90P06739	190-203	By22	S		7.7	7.8	7.6			4		3

*** Primary Characterization Data ***

Pedon ID: 90MT071009

( Phillips, Montana )

Print Date: Nov 21 2024 2:51PM

Sampled As	:	Phillips		Fine, montmorillonitic Borollic Natrargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  90P1091

---

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

7C3

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

90P06733

13.0-28.0

Bt1

tcly

MT 3

KK 2

MI 2

MM 1

VC 1

19

7.7

2.0

QZ 1

90P06734

28.0-38.0

Bt2

tcly

MT 4

KK 2

MI 2

VC 1

QZ 1

17

6.9

1.8

90P06736

63.0-91.0

Bky

tcly

MT 3

KK 2

MI 2

VC 1

QZ 1

17

7.1

2.0

90P06738

142.0-190.0

By21

tcly

MT 3

KK 3

MI 2

VC 1

QZ 1

17

7.1

2.2

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MM Montmorillonite-Mica	MT Montmorillonite	QZ Quartz
VC Vermiculite-Chlorite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 90MT071009

( Phillips, Montana )

Print Date: Nov 21 2024 2:51PM

Sampled As	:	Phillips		Fine, montmorillonitic Borollic Natrargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  90P1091

---

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

90P06731

0.0-5.0

A

fs

97

QZ 82

QC 15

FD 2

AR 1

PR tr

OP tr

GS tr

GN tr

MS tr

90P06732

5.0-13.0

E

fs

86

QZ 67

QC 18

FD 7

AR 5

PR 2

TM 1

OP tr

GS tr

PO tr

FRACTION INTERPRETATION:
fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
AR Weatherable Aggregates	FD Feldspar	GN Garnet	GS Glass	MS Muscovite
OP Opaques	PO Plant Opal	PR Pyroxene	QC Clay-Coated Quartz	QZ Quartz
TM Tourmaline