*** Primary Characterization Data ***

Pedon ID: S1966OR035003

( Klamath, Oregon )

Print Date: Feb 16 2025 5:44AM

Sampled as on May 15, 1966:	POKEGEMA
Revised to correlated:	Pokegema ; Fine, halloysitic Mollic Cryoboralfs

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1966OR035003   Lat: 42° 11' 12.01" north  Long: 122° 4' 53.99" west	Riverside Soil Survey Laboratory
	-	Pedon No.	40A0838	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Riverside, California

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
40A06337	O	O1	1-0
40A06338	A1	A1	0-7	66269
40A06339	A2	A3	7-20	66270
40A06340	B	B1	20-43	66271
40A06341	Bt11	B21t	43-76	66272
40A06342	Bt12	B22t	76-101	66273
40A06343	Bt21	B31t	101-139	66274
40A06344	Bt22	B32t	139-152	66275
40A06345	A1/A2	A1 & A3	0-20	66276

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0	(NA)
Volume, >2mm, Weighted Average	9	% vol
Weighted averages based on control section: 43-94 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
																	3B1	3B1	3B1
40A06337	1-0	O	S														--	--	--
40A06338	0-7	A1	S														10	7	11
40A06339	7-20	A2	S														9	6	8
40A06340	20-43	B	S														7	4	5
40A06341	43-76	Bt11	S														5	3	2
40A06342	76-101	Bt12	S														2	1	2
40A06343	101-139	Bt21	S														1	1	--
40A06344	139-152	Bt22	S														3	2	--
40A06345	0-20	A1/A2	S														11	7	--

*** Primary Characterization Data ***

Pedon ID: S1966OR035003

( Klamath, Oregon )

Print Date: Feb 16 2025 5:44AM

Sampled As	:	POKEGEMA
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A0838

---

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	%
				4A1f	4A1h				4B1c	3C2a1a
40A06338	0-7	A1	S							15.2
40A06339	7-20	A2	S	1.01	1.04				22.6	14.7
40A06340	20-43	B	S	1.34	1.40				23.8	15.9
40A06341	43-76	Bt11	S							18.7
40A06342	76-101	Bt12	S							22.6
40A06343	101-139	Bt21	S							28.2
40A06344	139-152	Bt22	S							28.3

---

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 - - - - -)

6B1a

6A1a

40A06338

0-7

A1

S

0.158

4.28

40A06339

7-20

A2

S

0.081

1.57

40A06340

20-43

B

S

0.046

0.65

40A06341

43-76

Bt11

S

0.41

40A06342

76-101

Bt12

S

0.47

40A06343

101-139

Bt21

S

0.41

40A06344

139-152

Bt22

S

0.26

40A06345

0-20

A1/A2

S

0.119

2.80

*** Primary Characterization Data ***

Pedon ID: S1966OR035003

( Klamath, Oregon )

Print Date: Feb 16 2025 5:44AM

Sampled As	:	POKEGEMA
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A0838

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2a	6O2a	6P2a	6Q2a		6H2a				5A1a
40A06338	0-7	A1	S	12.4	1.2	0.1	2.3		20.3				32.2
40A06339	7-20	A2	S	8.3	1.6	0.1	2.1		15.3				26.4
40A06340	20-43	B	S	7.2	1.2	0.1	1.9		10.9				20.7
40A06341	43-76	Bt11	S	6.8	1.0	0.1	1.8		9.1				16.6
40A06342	76-101	Bt12	S	6.4	1.1	0.1	1.8		10.4				19.3
40A06343	101-139	Bt21	S	6.0	1.2	0.2	2.8		10.2				20.7
40A06344	139-152	Bt22	S	5.0	1.2	0.2	4.2		9.8				20.3
40A06345	0-20	A1/A2	S	9.4	1.7	0.2	2.5		17.1				29.1

---

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

8C1a

NK

40A06338

0-7

A1

S

6.4

40A06339

7-20

A2

S

6.2

8.3

40A06340

20-43

B

S

6.0

40A06341

43-76

Bt11

S

6.0

7.9

40A06342

76-101

Bt12

S

6.1

40A06343

101-139

Bt21

S

6.1

40A06344

139-152

Bt22

S

6.2