*** Primary Characterization Data ***

Pedon ID: 99MT077003

( Powell, Montana )

Print Date: Apr 19 2024 10:01AM

Sampled as :	(unnamed) ; Loamy-skeletal, mixed, superactive Pachic Argicryoll
Revised to correlated on Aug 7, 2006:	(unnamed) ; Loamy-skeletal, mixed, superactive Vitrandic Argicryoll

				United States Department of Agriculture
SSL	-	Project	CP99MT124   BEAVERHEAD AND DEERLODGE COUNTIES	Natural Resources Conservation Service
	-	Site ID	S1999MT077003   Lat: 46° 23' 38.10" north  Long: 112° 30' 22.80" west  MLRA: 43B	National Soil Survey Center
	-	Pedon No.	99P0430	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
99P02434	A	A	0-20				L	COSL
99P02435	Bt1	Bt1	20-46				L	COSL
99P02436	Bt2	Bt2	46-76				CL	L

---

---

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
99P02434	0-20	A	S	cosl	16.4	30.8	52.8	7.4		19.9	10.9	5.0	7.4	9.8	13.0	17.6	18	15	--	65	38
99P02435	20-46	Bt1	S	cosl	18.2	29.7	52.1	6.3		18.6	11.1	6.4	9.8	10.8	13.0	12.1	19	20	14	74	65
99P02436	46-76	Bt2	S	l	24.9	33.3	41.8	6.7		22.9	10.4	6.4	8.4	8.6	9.2	9.2	17	31	12	74	81

---

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	8D1
99P02434	0-20	A	S							12.8		1.033				1.77	0.78
99P02435	20-46	Bt1	S							11.5		1.034				1.52	0.63
99P02436	46-76	Bt2	S							13.3		1.043				1.37	0.53

*** Primary Characterization Data ***

Pedon ID: 99MT077003

( Powell, Montana )

Print Date: Apr 19 2024 10:01AM

Sampled As	:	(unnamed)		Loamy-skeletal, mixed, superactive Pachic Argicryoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  99P0430

---

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 - - - - -)
				6A2e	6B4a	6R3c				6C2h	6G7g	6D2g		8J1c	6C9b	6G12b	6V2b	6D5b
99P02434	0-20	A	S	3.64	0.35	0.04	3.6		10	2.0	0.3	0.1	0.73	0.20	0.73	0.36	0.05	1307.0
99P02435	20-46	Bt1	S	1.71	0.18	0.03	1.7		10	2.3	0.2	0.1	0.55	0.11	0.56	0.27	0.05	847.0
99P02436	46-76	Bt2	S	0.57	0.08	0.01	0.6			2.1	0.2	0.1	0.46	0.06	0.46	0.23	0.08	1409.0

^1,1,2 Analyzed size fraction = <2 mm

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2i	6O2h	6P2f	6Q2f		6H5a	6G9c	6D3b	5A3a	5A8b			5C3	5C1
99P02434	0-20	A	S	14.0	4.0	0.3	1.4	19.7	14.9	--	3.2	34.6	29.0			57	68
99P02435	20-46	Bt1	S	14.7	4.8	0.4	0.9	20.8	13.5			34.3	27.7			61	75
99P02436	46-76	Bt2	S	20.4	8.0	0.3	0.5	29.2	7.7			36.9	34.1			79	86

---

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 - -)

%

99P02434

0-20

A

S

1

99P02435

20-46

Bt1

S

1

99P02436

46-76

Bt2

S

1

*** Primary Characterization Data ***

Pedon ID: 99MT077003

( Powell, Montana )

Print Date: Apr 19 2024 10:01AM

Sampled As	:	(unnamed)		Loamy-skeletal, mixed, superactive Pachic Argicryoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  99P0430

---

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

4C1a1a1

99P02434

0-20

A

S

5.1

5.7

8.8

99P02435

20-46

Bt1

S

5.2

6.1

9.0

99P02436

46-76

Bt2

S

5.5

6.3

8.7

---

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

6S8a

99P02434

0-20

A

S

1065.0

99P02435

20-46

Bt1

S

665.0

99P02436

46-76

Bt2

S

634.0

*** Primary Characterization Data ***

Pedon ID: 99MT077003

( Powell, Montana )

Print Date: Apr 19 2024 10:01AM

Sampled As	:	(unnamed)		Loamy-skeletal, mixed, superactive Pachic Argicryoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  99P0430

---

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

99P02434

0.0-20.0

A

csi

 

 

 

 

 

 

 

 

 

OT 89

GS 7

PO 4

GC tr

FG tr

GM tr

 

 

 

 

 

 

 

 

 

 

 

SS tr

 

 

 

 

 

 

99P02435

20.0-46.0

Bt1

csi

 

 

 

 

 

 

 

 

 

OT 95

GS 4

FG tr

GC tr

PO tr

GM tr

 

 

 

 

 

 

 

 

 

 

 

SS tr

 

 

 

 

 

 

99P02436

46.0-76.0

Bt2

csi

 

 

 

 

 

 

 

 

 

OT 99

GS 1

 

 

 

 

 

 

FRACTION INTERPRETATION:
csi - Coarse Silt 0.02-0.05 mm	 	 	 	 

MINERAL INTERPRETATION:
FG Glass-coated Feldspar	GC Glass-coated Grain	GM Glassy Materials	GS Glass	OT Other
PO Plant Opal	SS Sponge Spicule