*** Primary Characterization Data ***

Pedon ID: 84MT077336

( Powell, Montana )

Print Date: Apr 16 2024 1:57AM

Sampled as on May 30, 1984:	Not Designated ; Fine-loamy, mixed Typic Argiboroll
Revised to correlated:	VARNEY ; Fine-loamy, mixed Aridic Argiborolls

				United States Department of Agriculture
SSL	-	Project	RP85MT087   UPPER CLARK FORK	Natural Resources Conservation Service
	-	Site ID	S1984MT077336   Lat: 46° 22' 0.63" north  Long: 112° 42' 38.25" west  MLRA: 44	National Soil Survey Center
	-	Pedon No.	85P0284	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
85P01353	A	A	0-10				CL	SL
85P01354	Bt1	Bt1	10-23				C	CL
85P01355	Bt2	Bt2	23-38				CL	SCL
85P01356	Bk	Bk	38-61				CL	L

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, carbonate free, Weighted Average	30	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	33	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	30	% wt
Weighted averages based on control section: 10-38 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	3A1a1a	3B1	3B1	3B1
85P01353	0-10	A	S	sl	13.2	23.8	63.0			12.5	11.3	10.1	14.3	14.7	14.9	9.0	tr	--	--	53	tr
85P01354	10-23	Bt1	S	cl	37.7	30.6	31.7			18.6	12.0	8.3	8.4	6.6	5.7	2.7	tr	--	--	23	tr
85P01355	23-38	Bt2	S	scl	22.7	24.7	52.6			13.4	11.3	11.9	16.2	11.6	7.9	5.0	1	--	--	41	1
85P01356	38-61	Bk	S	l	26.7	38.2	35.1		0.9	21.7	16.5	12.0	9.9	5.9	4.5	2.8	tr	--	--	23	tr

*** Primary Characterization Data ***

Pedon ID: 84MT077336

( Powell, Montana )

Print Date: Apr 16 2024 1:57AM

Sampled As	:	Not Designated		Fine-loamy, mixed Typic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0284

---

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
85P01353	0-10	A	S							7.1		1.012					0.54
85P01354	10-23	Bt1	S							16.5		1.029					0.44
85P01355	23-38	Bt2	S							11.5		1.022					0.51
85P01356	38-61	Bk	S							12.9		1.026					0.48

---

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

85P01353

0-10

A

S

1.03

85P01354

10-23

Bt1

S

0.68

85P01355

23-38

Bt2

S

0.47

85P01356

38-61

Bk

S

0.28

---

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

85P01353

0-10

A

S

4.4

4.9

85P01354

10-23

Bt1

S

6.8

7.3

85P01355

23-38

Bt2

S

7.2

7.8

--

85P01356

38-61

Bk

S

7.7

8.2

2

*** Primary Characterization Data ***

Pedon ID: 84MT077336

( Powell, Montana )

Print Date: Apr 16 2024 1:57AM

Sampled As	:	Not Designated		Fine-loamy, mixed Typic Argiboroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0284

---

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

&nbsp;

7C3

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

85P01354

10.0-23.0

Bt1

tcly

MI 3

MT 3

KK 3

VR 2

&nbsp;

KK 29

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

8.4

&nbsp;

&nbsp;

1.9

&nbsp;

&nbsp;

&nbsp;

85P01355

23.0-38.0

Bt2

tcly

MI 3

MT 3

KK 2

VR 2

&nbsp;

KK 3

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

7.4

&nbsp;

&nbsp;

1.6

&nbsp;

&nbsp;

&nbsp;

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

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MT Montmorillonite	VR Vermiculite	 

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks