*** Primary Characterization Data ***

Pedon ID: 81WA059001

( Skamania, Washington )

Print Date: Apr 22 2025 7:48AM

Sampled as on Feb 1, 1981:	Bandid ; Ashy over pumiceous or cindery Typic Vitrandept
Revised to correlated:	Bandid ; Ashy, frigid Vitrandic Xerorthents

				United States Department of Agriculture
SSL	-	Project	CP81WA242   MOUNT ST HELENS	Natural Resources Conservation Service
	-	Site ID	S1981WA059001   Lat: 46° 14' 0.00" north  Long: 122° 6' 29.99" west  MLRA: 3	National Soil Survey Center
	-	Pedon No.	81P0539	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
81P03185	C1	C1	0-4				SL	FSL
81P03186	C2	C2	4-19				SL	COS
81P03187	C3	C3	19-31				SL	COS
81P03188	C4	C4	31-41				SL	LS
81P03189	C5	C5	41-64				SL	COS
81P03190	C6	C6	64-70				SL	COS
81P03191	2ABb	2ABB	70-75				SL	FSL
81P03192	2BAb	2BAB	75-82				SL	SL
81P03193	2Bwb1	2BwB1	82-102				SL	FSL
81P03194	2Bwb2	2BwB2	102-115				SL	LCOS

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	4.69	(NA)
Clay, carbonate free, Weighted Average	2	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	75	% wt
Volume, >2mm, Weighted Average	22	% vol
Clay, total, Weighted Average	2	% wt
Weighted averages based on control section: 25-100 cm

*** Primary Characterization Data ***

Pedon ID: 81WA059001

( Skamania, Washington )

Print Date: Apr 22 2025 7:48AM

Sampled As	:	Bandid		Ashy over pumiceous or cindery Typic Vitrandept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0539

---

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
81P03185	0-4	C1	S	fsl	1.2	45.3	53.5			26.1	19.2	15.5	17.4	5.1	6.3	9.2	10	22	26	74	58
81P03186	4-19	C2	S	cos	--	11.0	89.0			10.5	0.5	0.7	1.0	1.8	10.2	75.3	28	45	6	98	79
81P03187	19-31	C3	S	cos	--	4.3	95.7			4.0	0.3	0.6	0.9	5.1	27.1	62.0	29	31	6	98	66
81P03188	31-41	C4	S	ls	1.2	14.0	84.8			5.3	8.7	18.9	27.9	18.8	13.7	5.5	5	3	8	71	16
81P03189	41-64	C5	S	cos	--	2.9	97.1			0.4	2.5	9.4	25.1	24.5	21.9	16.2	15	19	7	93	41
81P03190	64-70	C6	S	cos	--	0.9	99.1			0.9	--	2.2	18.2	32.2	25.6	20.9	20	23	7	98	50
81P03191	70-75	2ABb	S	fsl	2.5	45.9	51.6			23.7	22.2	14.6	12.1	9.9	8.7	6.3	4	7	11	51	22
81P03192	75-82	2BAb	S	sl	0.4	38.5	61.1			21.6	16.9	11.9	11.1	13.4	13.3	11.4	10	12	10	65	32
81P03193	82-102	2Bwb1	S	fsl	3.3	40.8	55.9			22.0	18.8	15.8	16.5	14.0	6.9	2.7	2	6	10	51	18
81P03194	102-115	2Bwb2	S	lcos	2.4	17.4	80.2			11.4	6.0	6.7	10.5	7.1	19.7	36.2	22	34	7	90	63

---

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
81P03185	0-4	C1	S							1.6		1.003				1.83	1.33
81P03186	4-19	C2	S							2.5		1.004
81P03187	19-31	C3	S							3.2		1.003
81P03188	31-41	C4	S	1.50	1.50	--			6.8	1.9		1.003		0.07		2.25	1.58
81P03189	41-64	C5	S							2.1		1.001
81P03190	64-70	C6	S							2.7		1.001
81P03191	70-75	2ABb	S							14.9		1.024				13.80	5.96
81P03192	75-82	2BAb	S							4.6		1.009
81P03193	82-102	2Bwb1	S	1.15	1.15	--			23.8	3.4		1.010		0.21		1.85	1.03
81P03194	102-115	2Bwb2	S							3.1		1.006				1.38	1.29

*** Primary Characterization Data ***

Pedon ID: 81WA059001

( Skamania, Washington )

Print Date: Apr 22 2025 7:48AM

Sampled As	:	Bandid		Ashy over pumiceous or cindery Typic Vitrandept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0539

---

Water Content

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

(- - Atterberg - -)

(- - - - - Bulk Density - - - - -)

(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)

(- - - Limits - - -)

Field

Recon

Recon

Field

Recon

(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)

LL

PI

33

Oven

33

6

10

33

100

200

500

Depth

kPa

Dry

kPa

kPa

kPa

kPa

kPa

kPa

kPa

Layer

(cm)

Horz

Prep

pct <0.4mm

(- - - - - - - - g cm-3 - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)

4F

81P03188

31-41

C4

S

NP

81P03193

82-102

2Bwb1

S

NP

---

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		6C2b	6G7a			8J	6C9a	6G12	6V2	6D5b		6C8a	6G10
81P03185	0-4	C1	S					0.09		0.3	tr		0.24	0.03	0.40	0.04	--	--		0.1	tr
81P03186	4-19	C2	S					0.07		0.2	tr		0.24	0.03	0.41	0.04	0.01	--		--	tr
81P03187	19-31	C3	S					0.06		0.2	tr		0.27	0.04	0.47	0.03	--	--		--	tr
81P03188	31-41	C4	S					0.32		0.3	tr		0.21	0.03	0.36	0.03	0.01	--		0.1	tr
81P03189	41-64	C5	S					0.11		0.2	tr		0.14	0.02	0.24	0.02	--	--		--	tr
81P03190	64-70	C6	S					0.09		0.2	tr		0.14	0.02	0.25	0.02	--	--		0.1	tr
81P03191	70-75	2ABb	S					9.57		0.3	0.2		0.29	0.26	0.24	0.16	--	--		0.2	0.2
81P03192	75-82	2BAb	S					3.06		0.2	0.1		0.20	0.17	0.23	0.09	--	--		0.1	0.1
81P03193	82-102	2Bwb1	S					1.48		0.3	0.3		0.53	0.17	0.41	0.32	0.07	--		0.2	0.3
81P03194	102-115	2Bwb2	S					0.45		0.4	0.2		0.45	0.06	0.46	0.22	0.05	--		0.1	0.2

*** Primary Characterization Data ***

Pedon ID: 81WA059001

( Skamania, Washington )

Print Date: Apr 22 2025 7:48AM

Sampled As	:	Bandid		Ashy over pumiceous or cindery Typic Vitrandept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0539

---

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	6G9a		5A3a	5A8b	5A3b	5G1	5C3	5C1
81P03185	0-4	C1	S	1.1	0.4	0.2	0.2	1.9	2.3	0.2		4.2	2.2	2.1	10	45	86
81P03186	4-19	C2	S	1.9*	0.4	0.1	0.1	2.5	1.1			3.6	2.5			69	100
81P03187	19-31	C3	S	1.4	0.2	0.1	0.1	1.8	1.2			3.0	1.9			60	95
81P03188	31-41	C4	S	1.5	0.3	0.1	0.2	2.1	2.1	0.2		4.2	2.7	2.3	9	50	78
81P03189	41-64	C5	S	0.3	0.1	0.1	0.1	0.6	0.8	tr		1.4	0.7			43	86
81P03190	64-70	C6	S	0.3	0.1	tr	0.1	0.5	1.1	tr		1.6	0.8			31	63
81P03191	70-75	2ABb	S	12.8	0.9	0.2	0.3	14.2	30.8	0.7		45.0	34.5	14.9	5	32	41
81P03192	75-82	2BAb	S	3.1	0.3	0.1	0.1	3.6	9.5	0.4		13.1	8.6	4.0	10	27	42
81P03193	82-102	2Bwb1	S	0.6	tr	tr	0.1	0.7	9.8	0.5		10.5	6.1	1.2	42	7	11
81P03194	102-115	2Bwb2	S	0.4	0.1	tr	0.1	0.6	5.6	0.5		6.2	3.3	1.1	45	10	18

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

---

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 - -)		%
				6N1b	6O1b	6P1b	6Q1b	6I1b	6J1b	6U1a	6K1c				6L1c	6W1a	6M1c	8A	8D5	8A3a			5E
81P03185	0-4	C1	S	2.8	1.1	3.4	0.8	--	--	0.1	2.5				5.2	--	0.3	1.0	tr	--		9	2
81P03186	4-19	C2	S	1.8	0.5	1.4	0.4	--	--	tr	0.6				0.4	tr	2.8		tr	--		4	1
81P03187	19-31	C3	S	2.4	0.6	1.1	0.7	--	--	tr	0.6				4.3	--	--		tr	--		5	1
81P03188	31-41	C4	S	9.4	2.1	2.2	1.2	--	--	0.1	0.6				16.3	0.1	--		tr	--		4	1
81P03189	41-64	C5	S	3.7	1.2	1.7	0.7	--	--	tr	0.6				7.0	--	0.6		tr	--		14	1
81P03190	64-70	C6	S	3.5	1.2	1.4	0.5	--	--	0.1	0.4				6.8	--	1.5		tr	--		--	1
81P03191	70-75	2ABb	S																			1
81P03192	75-82	2BAb	S																			1
81P03193	82-102	2Bwb1	S																			--
81P03194	102-115	2Bwb2	S																			--

*** Primary Characterization Data ***

Pedon ID: 81WA059001

( Skamania, Washington )

Print Date: Apr 22 2025 7:48AM

Sampled As	:	Bandid		Ashy over pumiceous or cindery Typic Vitrandept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0539

---

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
81P03185	0-4	C1	S		4.4	4.9			7.9
81P03186	4-19	C2	S		5.3	6.5			7.8
81P03187	19-31	C3	S		4.7	5.7			7.7
81P03188	31-41	C4	S		4.4	4.7			7.8
81P03189	41-64	C5	S		4.6	4.9			7.7
81P03190	64-70	C6	S		4.5	4.6			7.6
81P03191	70-75	2ABb	S		4.7	4.9			7.4
81P03192	75-82	2BAb	S		4.8	5.1			7.8
81P03193	82-102	2Bwb1	S		4.7	5.1			10.0
81P03194	102-115	2Bwb2	S		4.8	5.3			9.6

*** Primary Characterization Data ***

Pedon ID: 81WA059001

( Skamania, Washington )

Print Date: Apr 22 2025 7:48AM

Sampled As	:	Bandid		Ashy over pumiceous or cindery Typic Vitrandept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0539

---

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									7C3								tion
Layer	(cm)	Horz	ion	( - - - - - - - - - peak size - - - - - - - - - - )					(- - - - - - - - - % - - - - - - - - - -)				(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)							mg g-1
81P03188	31.0-41.0	C4	tcly	MT 3	FD 1										4.0			0.7
81P03193	82.0-102.0	2Bwb1	tcly	FD 1											1.4			0.4

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
FD Feldspar	MT Montmorillonite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 81WA059001

( Skamania, Washington )

Print Date: Apr 22 2025 7:48AM

Sampled As	:	Bandid		Ashy over pumiceous or cindery Typic Vitrandept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0539

---

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

81P03185

0.0-4.0

C1

vfs

OT 63

GS 19

GA 18

81P03186

4.0-19.0

C2

vfs

OT 74

GS 18

GA 8

81P03187

19.0-31.0

C3

vfs

OT 78

GS 11

GA 11

81P03188

31.0-41.0

C4

vfs

OT 60

GA 29

GS 11

81P03189

41.0-64.0

C5

vfs

OT 68

GA 26

GS 6

81P03190

64.0-70.0

C6

vfs

OT 63

GA 32

GS 5

81P03191

70.0-75.0

2ABb

vfs

OT 38

GA 34

GS 28

81P03192

75.0-82.0

2BAb

vfs

OT 46

GA 45

GS 9

81P03193

82.0-102.0

2Bwb1

vfs

OT 52

GA 36

GS 12

81P03194

102.0-115.0

2Bwb2

vfs

OT 60

GA 23

GS 17

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm

MINERAL INTERPRETATION:
GA Glass Aggregates	GS Glass	OT Other