*** Primary Characterization Data ***

Pedon ID: S1974MT063015

( Missoula, Montana )

Print Date: Apr 28 2025 1:29AM

Sampled as on Sep 29, 1974:	Holloway
Revised to SSL:	(unnamed) ; Loamy-skeletal, mixed Andic Cryochrept

				United States Department of Agriculture
SSL	-	Project	NL74ID001   PONDEROSA PINE	Natural Resources Conservation Service
	-	Site ID	S1974MT063015   Lat: 46° 49' 21.60" north  Long: 113° 42' 47.37" west	National Soil Survey Center
	-	Pedon No.	75C0010	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
75C00035	B	B2	0-20	7535				FSL
75C00036	2E	2 A2 B	20-41	7536				SL
75C00037	2ABb	2 AB B	41-152	7537				LS

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.75	(NA)
Clay, carbonate free, Weighted Average	4	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	71	% wt
Volume, >2mm, Weighted Average	19	% 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
75C00035	0-20	B	S	fsl	4.4	41.8	53.8			26.5	15.3	15.9	19.0	4.9	4.3	9.7	5	9	14	55	28
75C00036	20-41	2E	S	sl	4.4	23.3	72.3			12.0	11.3	17.4	24.7	8.9	7.2	14.1	2	12	9	65	23
75C00037	41-152	2ABb	S	ls	3.9	19.3	76.8			9.8	9.5	16.4	30.4	10.1	7.7	12.2	6	14	12	73	32

*** Primary Characterization Data ***

Pedon ID: S1974MT063015

( Missoula, Montana )

Print Date: Apr 28 2025 1:29AM

Sampled As	:	Holloway
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  75C0010

---

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	3C2a1a		3D1		4C1		8D1	8D1
75C00035	0-20	B	S	0.85	0.86	0.003			24.2	7.6		1.036		0.13		3.43	1.73
75C00036	20-41	2E	S							2.1		1.036				0.89	0.48
75C00037	41-152	2ABb	S							1.7		1.036				0.72	0.44

---

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

75C00035

0-20

B

S

0.092

1.81

20

0.8

0.3

0.1

0.3

75C00036

20-41

2E

S

0.018

0.37

21

0.4

0.1

tr

tr

75C00037

41-152

2ABb

S

0.4

tr

tr

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
75C00035	0-20	B	S	2.6	0.8	0.1	0.5	4.0	14.3			18.3	15.1			22	26
75C00036	20-41	2E	S	2.1	0.7	tr	0.2	3.0	1.2			4.2	3.9			71	77
75C00037	41-152	2ABb	S	1.4	0.3	tr	0.1	1.8	0.3			2.1	2.8			86	64

*** Primary Characterization Data ***

Pedon ID: S1974MT063015

( Missoula, Montana )

Print Date: Apr 28 2025 1:29AM

Sampled As	:	Holloway
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  75C0010

---

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 - -)

%

75C00035

0-20

B

S

1

75C00036

20-41

2E

S

--

75C00037

41-152

2ABb

S

--

---

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

75C00035

0-20

B

S

5.0

5.7

75C00036

20-41

2E

S

5.1

5.9

75C00037

41-152

2ABb

S

4.8

5.7