*** Primary Characterization Data ***

Pedon ID: S1970MT063007

( Missoula, Montana )

Print Date: Feb 3 2025 8:48PM

Sampled as on Jul 27, 1970:	Winkler
Revised to SSL:	(unnamed) ; Loamy-skeletal, mixed, frigid Udic Ustochrept

				United States Department of Agriculture
SSL	-	Project	NL70MT002   MISSOULA CO.	Natural Resources Conservation Service
	-	Site ID	S1970MT063007   Lat: 46° 57' 37.59" north  Long: 113° 42' 53.38" west	National Soil Survey Center
	-	Pedon No.	70C0021	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
70C00131	O	O2	3-0	70131
70C00132	E1	A21	0-5	70132			SL	COSL
70C00133	E2	A22	5-20	70133			SL	COSL
70C00134	E3	A23	20-110	70134			SL	LCOS
70C00135	A/B	A+ B	110-180	70135			SL	COSL
70C00136			0-0	70136

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.64	(NA)
Clay, carbonate free, Weighted Average	3	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	93	% wt
Volume, >2mm, Weighted Average	74	% vol
Clay, total, Weighted Average	3	% wt
Weighted averages based on control section: 25-100 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	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
70C00131	3-0	O	S														6	35	4
70C00132	0-5	E1	S	cosl	3.8	37.7	58.5			18.5	19.2	5.8	13.4	12.9	17.1	9.3	6	13	20	71	39
70C00133	5-20	E2	S	cosl	4.0	33.2	62.8			14.1	19.1	5.6	12.9	12.5	17.4	14.4	5	15	40	83	65
70C00134	20-110	E3	S	lcos	2.8	21.6	75.6			8.7	12.9	5.1	16.7	17.1	23.7	13.0	4	12	59	93	83
70C00135	110-180	A/B	S	cosl	2.3	33.7	64.0			13.8	19.9	6.6	15.9	14.2	18.2	9.1	3	11	52	86	78

*** Primary Characterization Data ***

Pedon ID: S1970MT063007

( Missoula, Montana )

Print Date: Feb 3 2025 8:48PM

Sampled As	:	Winkler
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  70C0021

---

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	4B1c	3C2a1a		3D1		4C1		8D1	8D1
70C00131	3-0	O	S							36.5		1.038
70C00132	0-5	E1	S	1.57	1.59	0.003		12.9	9.9	2.3		1.038		0.09		1.26	0.61
70C00133	5-20	E2	S	1.62	1.62	--		12.1	7.9	1.6		1.038		0.05		0.73	0.40
70C00134	20-110	E3	S							1.4		1.038				0.64	0.50
70C00135	110-180	A/B	S	1.62	1.67	0.003		17.3	13.6	1.3		1.038		0.06		0.83	0.57
70C00136	0-0		S									1.038

---

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

6C2b

6G7a

6C8a

6G10

70C00131

3-0

O

S

0.379

13.62

0.3

0.1

70C00132

0-5

E1

S

0.030

0.72

24

0.2

0.1

tr

tr

70C00133

5-20

E2

S

0.011

0.19

18

0.2

tr

tr

tr

70C00134

20-110

E3

S

0.20

0.2

tr

70C00135

110-180

A/B

S

0.17

0.2

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
70C00131	3-0	O	S	28.8	3.2	0.1	0.9		19.2				39.2
70C00132	0-5	E1	S	3.0	0.6	0.1	0.3	4.0	2.1			6.1	4.8			66	83
70C00133	5-20	E2	S	1.9	0.3	0.1	0.2	2.5	0.9			3.4	2.9			74	86
70C00134	20-110	E3	S	0.8	0.2	0.1	0.1	1.2	0.7			1.9	1.8			63	67
70C00135	110-180	A/B	S	0.7	0.3	0.1	0.1	1.2	1.1			2.3	1.9			52	63

*** Primary Characterization Data ***

Pedon ID: S1970MT063007

( Missoula, Montana )

Print Date: Feb 3 2025 8:48PM

Sampled As	:	Winkler
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  70C0021

---

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 - -)

%

70C00132

0-5

E1

S

2

70C00133

5-20

E2

S

3

70C00134

20-110

E3

S

6

70C00135

110-180

A/B

S

5

---

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

70C00131

3-0

O

S

5.6

5.8

70C00132

0-5

E1

S

5.5

6.0

70C00133

5-20

E2

S

5.6

6.4

70C00134

20-110

E3

S

5.1

6.0

70C00135

110-180

A/B

S

4.6

5.6

*** Primary Characterization Data ***

Pedon ID: S1970MT063007

( Missoula, Montana )

Print Date: Feb 3 2025 8:48PM

Sampled As	:	Winkler
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  70C0021

---

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

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

70C00132

0.0-5.0

E1

tcly

MI 3

VR 1

KK 1

70C00135

110.0-180.0

A/B

tcly

MI 3

KK 2

VR 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	VR Vermiculite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks