*** Primary Characterization Data ***

Pedon ID: 89MT049001

( Lewis and Clark, Montana )

Print Date: Dec 11 2024 8:01PM

Sampled as on Feb 1, 1989:	Woodgulch ; Sandy, mixed, frigid Alfic Ustipsamment
Revised to correlated on Mar 1, 1991:	(unnamed) ; Mixed, frigid Alfic Ustipsamment

				United States Department of Agriculture
SSL	-	Project	CP89MT121   WOODGULCH	Natural Resources Conservation Service
	-	Site ID	S1989MT049001   Lat: 46° 33' 1.63" north  Long: 112° 11' 0.20" west  MLRA: 43	National Soil Survey Center
	-	Pedon No.	89P0447	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
89P02494	A	A	0-10				LS	LCOS
89P02495	E	E	10-33				LS	LCOS
89P02496	E/Bt1	E/Bt	33-76				LS	LCOS
89P02497	E/Bt2	EANDBt	76-127				LS	COS
89P02498	C	C	127-152				COS	COS

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	2.32	(NA)
Clay, carbonate free, Weighted Average	4	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	79	% wt
Volume, >2mm, Weighted Average	9	% vol
Clay, total, Weighted Average	4	% 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
89P02494	0-10	A	S	lcos	1.7	17.3	81.0			9.0	8.3	8.6	16.2	19.6	21.5	15.1	8	1	--	75	20
89P02495	10-33	E	S	lcos	5.6	13.4	81.0			7.3	6.1	9.2	16.7	19.4	20.5	15.2	8	1	--	74	9
89P02496	33-76	E/Bt1	S	lcos	6.0	12.1	81.9			6.8	5.3	8.8	18.3	20.3	20.1	14.4	10	2	--	76	12
89P02497	76-127	E/Bt2	S	cos	1.3	9.5	89.2			4.6	4.9	7.5	17.5	22.2	24.1	17.9	23	2	--	86	25
89P02498	127-152	C	S	cos	2.0	6.2	91.8			3.6	2.6	8.0	19.7	25.3	23.9	14.9	12	2	--	86	14

*** Primary Characterization Data ***

Pedon ID: 89MT049001

( Lewis and Clark, Montana )

Print Date: Dec 11 2024 8:01PM

Sampled As	:	Woodgulch		Sandy, mixed, frigid Alfic Ustipsamment
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  89P0447

---

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
89P02494	0-10	A	S							3.4		1.006				4.29	2.00
89P02495	10-33	E	S							3.0		1.005				1.20	0.54
89P02496	33-76	E/Bt1	S							3.7		1.006				1.17	0.62
89P02497	76-127	E/Bt2	S							2.6		1.005				4.77	2.00
89P02498	127-152	C	S							1.7		1.003				2.40	0.85

---

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

89P02494

0-10

A

S

0.75

89P02495

10-33

E

S

0.39

89P02496

33-76

E/Bt1

S

0.21

89P02497

76-127

E/Bt2

S

0.13

89P02498

127-152

C

S

0.04

---

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
89P02494	0-10	A	S	5.7	0.7	0.1	0.2	6.7	2.8			9.5	7.3			71	92
89P02495	10-33	E	S	5.7*	0.8	tr	0.2	6.7	2.0			8.7	6.7			77	100
89P02496	33-76	E/Bt1	S	4.6	0.9	tr	0.3	5.8	2.5			8.3	7.0			70	83
89P02497	76-127	E/Bt2	S	4.5	0.8	tr	0.2	5.5	1.1			6.6	6.2			83	89
89P02498	127-152	C	S	3.7	0.5	0.1	0.1	4.4	1.0			5.4	4.8			81	92

^*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.

*** Primary Characterization Data ***

Pedon ID: 89MT049001

( Lewis and Clark, Montana )

Print Date: Dec 11 2024 8:01PM

Sampled As	:	Woodgulch		Sandy, mixed, frigid Alfic Ustipsamment
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  89P0447

---

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 - -)

%

89P02494

0-10

A

S

1

89P02495

10-33

E

S

--

89P02496

33-76

E/Bt1

S

--

89P02497

76-127

E/Bt2

S

--

89P02498

127-152

C

S

2

---

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

89P02494

0-10

A

S

5.6

6.3

89P02495

10-33

E

S

5.5

6.2

89P02496

33-76

E/Bt1

S

5.1

5.9

89P02497

76-127

E/Bt2

S

5.4

6.0

89P02498

127-152

C

S

5.7

6.5

*** Primary Characterization Data ***

Pedon ID: 89MT049001

( Lewis and Clark, Montana )

Print Date: Dec 11 2024 8:01PM

Sampled As	:	Woodgulch		Sandy, mixed, frigid Alfic Ustipsamment
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  89P0447

---

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

89P02495

10.0-33.0

E

fs

59

QZ 54

BT 23

FK 14

OP 5

HN 2

FP 1

OT 1

ZR tr

89P02496

33.0-76.0

E/Bt1

fs

64

QZ 56

BT 21

FK 12

OP 8

FP 2

HN 2

FRACTION INTERPRETATION:
fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
BT Biotite	FK Potassium Feldspar	FP Plagioclase Feldspar	HN Hornblende	OP Opaques
OT Other	QZ Quartz	ZR Zircon