*** Primary Characterization Data ***

Pedon ID: 77MT077215

( Powell, Montana )

Print Date: Apr 25 2024 3:19AM

Sampled as on Aug 1, 1977:	Tanna ; Fine, montmorillonitic Aridic Argiboroll
Revised to correlated:	Tanna ; Fine, mixed Aridic Argiborolls

				United States Department of Agriculture
SSL	-	Project	RP89MT120   DEER LODGE	Natural Resources Conservation Service
	-	Site ID	S1977MT077215   Lat: 46° 30' 8.62" north  Long: 112° 43' 36.26" west  MLRA: 44	National Soil Survey Center
	-	Pedon No.	89P0440	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
89P02462	A1	A1	0-13				L	L
89P02463	B1	B1	13-20				SICL	CL
89P02464	Bt	B2t	20-43				SICL	C
89P02465	Bk	B3ca	43-79				SICL	C
89P02466	Cr	CR	79-152				SICL	CL

---

---

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	3B1	3B1	3B1
89P02462	0-13	A1	S	l	18.0	33.7	48.3			19.8	13.9	14.6	18.2	8.6	4.2	2.7	4	3	--	38	7
89P02463	13-20	B1	S	cl	29.5	29.4	41.1			18.7	10.7	12.5	15.1	7.8	3.5	2.2	6	4	--	36	10
89P02464	20-43	Bt	S	c	58.9	24.1	17.0			19.2	4.9	4.6	5.8	3.5	1.9	1.2	2	tr	--	14	2
89P02465	43-79	Bk	S	c	49.8	29.7	20.5		2.9	24.6	5.1	4.4	7.9	4.2	2.4	1.6	5	tr	--	20	5
89P02466	79-152	Cr	S														25	45	--	--	70
89P02466	79-152	Cr	GP	cl	32.6	31.5	35.9		0.3	23.1	8.4	11.6	12.7	8.0	3.4	0.2

*** Primary Characterization Data ***

Pedon ID: 77MT077215

( Powell, Montana )

Print Date: Apr 25 2024 3:19AM

Sampled As	:	Tanna		Fine, montmorillonitic Aridic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  89P0440

---

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					8D1
89P02462	0-13	A1	S							7.2		1.011					0.40
89P02463	13-20	B1	S							10.7		1.015					0.36
89P02464	20-43	Bt	S							19.1		1.033					0.32
89P02465	43-79	Bk	S							13.9		1.024					0.28
89P02466	79-152	Cr	S														0.25
89P02466	79-152	Cr	GP							8.2		1.020

---

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 - - - - -)

6A1c

89P02462

0-13

A1

S

1.52

89P02463

13-20

B1

S

0.78

89P02464

20-43

Bt

S

0.88

89P02465

43-79

Bk

S

0.48

89P02466

79-152

Cr

GP

0.10

---

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

6E1g

89P02462

0-13

A1

S

5.5

6.2

89P02463

13-20

B1

S

6.0

6.4

89P02464

20-43

Bt

S

7.1

7.5

tr

89P02465

43-79

Bk

S

7.8

8.0

7

89P02466

79-152

Cr

GP

7.6

7.8

1

*** Primary Characterization Data ***

Pedon ID: 77MT077215

( Powell, Montana )

Print Date: Apr 25 2024 3:19AM

Sampled As	:	Tanna		Fine, montmorillonitic Aridic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  89P0440

---

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

&nbsp;

&nbsp;

7C3

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

89P02464

20.0-43.0

Bt

tcly

MI 3

MT 2

KK 1

MM 1

QZ 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

22

5.0

&nbsp;

&nbsp;

3.5

&nbsp;

&nbsp;

&nbsp;

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm	&nbsp;	&nbsp;	&nbsp;	&nbsp;

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

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks