*** Primary Characterization Data ***

Pedon ID: S1974CA093006

( Siskiyou, California )

Print Date: Nov 12 2024 12:30AM

Sampled as on May 30, 1974:	Iller
Revised to correlated:	ILLER ; Ashy Alfic Vitrixerands

				United States Department of Agriculture
SSL	-	Project	NL74CA007   SISKIYOU CO	Natural Resources Conservation Service
	-	Site ID	S1974CA093006   Lat: 41° 39' 10.00" north  Long: 122° 13' 39.00" west  MLRA: 22B	National Soil Survey Center
	-	Pedon No.	74C0056	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
74C00400	A1	A11	0-6	74400				SL
74C00401	A2	A12	6-33	74401				FSL
74C00402	B1	B1	33-54	74402				FSL
74C00403	B2	B2	54-71	74403				FSL
74C00404	2Bt1	2 B1 t B	71-94	74404				FSL
74C00405	2Bt21	2 B21t B	94-107	74405				L
74C00406	2Bt22	2 B22t B	107-138	74406				L
74C00407	2Bt23	2 B23t B	138-165	74407				FSL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	3.28	(NA)
Clay, carbonate free, Weighted Average	6	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	52	% wt
Volume, >2mm, Weighted Average	32	% vol
Clay, total, Weighted Average	6	% 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
74C00400	0-6	A1	S	sl	3.4	35.4	61.2			18.8	16.6	10.1	18.0	9.2	12.4	11.5	4	2	1	55	24
74C00401	6-33	A2	S	fsl	2.8	37.6	59.6			17.8	19.8	20.1	19.2	6.9	7.8	5.6	5	2	6	47	23
74C00402	33-54	B1	S	fsl	3.9	36.0	60.1			18.0	18.0	18.8	18.7	6.7	8.4	7.5	5	3	2	47	20
74C00403	54-71	B2	S	fsl	6.5	35.7	57.8			19.3	16.4	17.1	18.9	6.9	8.3	6.6	4	4	2	47	20
74C00404	71-94	2Bt1	S	fsl	8.9	35.1	56.0			20.9	14.2	15.9	18.6	7.0	9.4	5.1	2	2	22	56	81
74C00405	94-107	2Bt21	S	l	10.5	38.5	51.0			23.8	14.7	11.1	18.4	7.0	9.7	4.8	tr	10	50	76	87
74C00406	107-138	2Bt22	S	l	13.4	35.4	51.2			22.9	12.5	13.7	17.6	6.4	8.7	4.8	tr	19	48	79	89
74C00407	138-165	2Bt23	S	fsl	14.6	29.2	56.2			19.8	9.4	11.7	17.7	8.7	12.0	6.1	tr	18	44	79	87

*** Primary Characterization Data ***

Pedon ID: S1974CA093006

( Siskiyou, California )

Print Date: Nov 12 2024 12:30AM

Sampled As	:	Iller
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  74C0056

---

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	4B1c	3C2a1a		3D1		4C1		8D1	8D1
74C00400	0-6	A1	S	0.60	0.62	0.010		48.8	46.4	31.9		1.050		0.08		14.88	9.38
74C00401	6-33	A2	S	1.06	1.07	0.003		31.7	25.1	8.6		1.050		0.16		5.75	3.07
74C00402	33-54	B1	S							8.3		1.050				4.23	2.13
74C00403	54-71	B2	S	1.06	1.09	0.008		30.0	22.8	9.5		1.050		0.13		2.54	1.46
74C00404	71-94	2Bt1	S							11.4		1.050				2.35	1.28
74C00405	94-107	2Bt21	S							14.1		1.050				2.30	1.34
74C00406	107-138	2Bt22	S	1.36	1.41	0.002		32.0	30.1	16.5		1.050		0.04		1.90	1.23
74C00407	138-165	2Bt23	S							17.1		1.050				2.11	1.17

---

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			8J	6C9a	6G12	6V2	6D5b
74C00400	0-6	A1	S		0.473			10.86	23	1.3	0.4		1.23	0.07	0.25	1.10	0.53	271.5
74C00401	6-33	A2	S		0.064			0.93	15	1.6	0.3		1.13	0.06	0.26	1.00	0.46	215.5
74C00402	33-54	B1	S		0.048			0.73	15	1.8	0.2		0.50	0.05	0.22	0.38	0.15	90.5
74C00403	54-71	B2	S		0.033			0.58	18	2.3	0.2		0.51	0.07	0.56	0.23	0.16	227.7
74C00404	71-94	2Bt1	S		0.022			0.31	14	2.7	0.2
74C00405	94-107	2Bt21	S							2.9	0.2
74C00406	107-138	2Bt22	S							3.2	0.2
74C00407	138-165	2Bt23	S							2.9	0.2

*** Primary Characterization Data ***

Pedon ID: S1974CA093006

( Siskiyou, California )

Print Date: Nov 12 2024 12:30AM

Sampled As	:	Iller
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  74C0056

---

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
74C00400	0-6	A1	S	18.0	2.2	0.1	1.2	21.5	15.2			36.7	50.6			59	42
74C00401	6-33	A2	S	7.5	0.9	tr	1.3	9.7	9.1			18.8	16.1			52	60
74C00402	33-54	B1	S	6.8	1.1	tr	0.9	8.8	9.3			18.1	16.5			49	53
74C00403	54-71	B2	S	7.9	1.1	0.1	1.1	10.2	6.6			16.8	16.5			61	62
74C00404	71-94	2Bt1	S	5.7	3.0	0.1	1.7	10.5	6.2			16.7	20.9			63	50
74C00405	94-107	2Bt21	S	6.3	4.4	0.3	2.0	13.0	7.6			20.6	24.2			63	54
74C00406	107-138	2Bt22	S	6.9	4.7	0.4	3.1	15.1	7.9			23.0	25.4			66	59
74C00407	138-165	2Bt23	S	8.2	4.2	0.4	3.1	15.9	8.1			24.0	30.8			66	52

---

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 - -)

%

74C00400

0-6

A1

S

tr

74C00401

6-33

A2

S

--

74C00402

33-54

B1

S

--

74C00403

54-71

B2

S

1

74C00404

71-94

2Bt1

S

tr

74C00405

94-107

2Bt21

S

1

74C00406

107-138

2Bt22

S

2

74C00407

138-165

2Bt23

S

1

*** Primary Characterization Data ***

Pedon ID: S1974CA093006

( Siskiyou, California )

Print Date: Nov 12 2024 12:30AM

Sampled As	:	Iller
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  74C0056

---

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	8C1b		4C1a1a1
74C00400	0-6	A1	S				6.3		9.7
74C00401	6-33	A2	S		6.0	6.7			10.3
74C00402	33-54	B1	S		5.8	6.6			10.2
74C00403	54-71	B2	S		5.9	6.6			9.6
74C00404	71-94	2Bt1	S		5.8	6.5			9.0
74C00405	94-107	2Bt21	S		5.7	6.4			8.8
74C00406	107-138	2Bt22	S		5.5	6.1			8.8
74C00407	138-165	2Bt23	S		5.6	6.5			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 - - - - - - - - - - - - - - - - - - - -)

6S4

74C00400

0-6

A1

S

54

74C00401

6-33

A2

S

54

74C00402

33-54

B1

S

38

74C00403

54-71

B2

S

30

*** Primary Characterization Data ***

Pedon ID: S1974CA093006

( Siskiyou, California )

Print Date: Nov 12 2024 12:30AM

Sampled As	:	Iller
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  74C0056

---

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

74C00400

0.0-6.0

A1

fs

OT 67

GS 18

GC 7

FG 4

GA 4

74C00401

6.0-33.0

A2

vfs

OT 58

GS 19

GA 15

GC 5

FG 3

74C00402

33.0-54.0

B1

vfs

OT 65

GS 15

GA 12

GC 4

FG 4

PO tr

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm	fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
FG Glass-coated Feldspar	GA Glass Aggregates	GC Glass-coated Grain	GS Glass	OT Other
PO Plant Opal