*** Primary Characterization Data ***

Pedon ID: 93CA011003

( Colusa, California )

Print Date: Nov 23 2024 7:29AM

Sampled as on Sep 19, 1993:	Altamont Low ; Fine, montmorillonitic, thermic Chromic Haploxerert
Revised to correlated:	Altamont ; Fine, smectitic, thermic Chromic Haploxererts

				United States Department of Agriculture
SSL	-	Project	CP94CA008   VERTISOL ST	Natural Resources Conservation Service
	-	Site ID	93CA011003   Lat: 39° 20' 44.00" north  Long: 122° 19' 23.00" west  MLRA: 17	National Soil Survey Center
	-	Pedon No.	94P0051	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
94P00436	A	A	0-10				CL	SIC
94P00437	Bw	Bw	10-34				C	SIC
94P00438	Bss1	Bss1	34-61				C	SIC
94P00439	Bss2	Bss2	61-100				C	SIC
94P00440	Bss3	Bss3	100-120				C	SIC
94P00441	Bk	Bk	120-144				C	SIC
94P00442	BC	BC	144-200				C	SICL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.85	(NA)
Clay, carbonate free, Weighted Average	53	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	2	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	53	% wt
LE, Whole Soil, Summed to 1m	9	cm/m
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	3A1a1a	3B1	3B1	3B1
94P00436	0-10	A	S	sic	53.7	40.9	5.4	21.3		31.8	9.1	3.2	1.3	0.5	0.3	0.1	--	--	--	2	--
94P00437	10-34	Bw	S	sic	54.4	40.8	4.8	22.1		31.5	9.3	2.9	1.2	0.4	0.2	0.1	tr	tr	--	2	tr
94P00438	34-61	Bss1	S	sic	53.3	41.8	4.9	21.6		32.7	9.1	2.8	1.1	0.4	0.3	0.3	--	--	--	2	--
94P00439	61-100	Bss2	S	sic	52.4	42.6	5.0	19.6		33.2	9.4	2.8	1.1	0.5	0.5	0.1	--	--	--	2	--
94P00440	100-120	Bss3	S	sic	51.2	43.2	5.6	14.1		33.9	9.3	2.9	1.3	0.6	0.5	0.3	--	tr	--	3	tr
94P00441	120-144	Bk	S	sic	41.3	51.6	7.1	9.3		39.0	12.6	3.8	1.6	0.9	0.6	0.2	5	26	9	42	40
94P00442	144-200	BC	S	sicl	33.2	56.8	10.0	8.2		41.9	14.9	5.4	1.9	1.6	1.1	tr	7	33	18	60	58

*** Primary Characterization Data ***

Pedon ID: 93CA011003

( Colusa, California )

Print Date: Nov 23 2024 7:29AM

Sampled As	:	Altamont Low		Fine, montmorillonitic, thermic Chromic Haploxerert
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  94P0051

---

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
94P00436	0-10	A	S	1.27	1.67	0.096			29.7	18.6		1.043		0.14		0.83	0.35
94P00437	10-34	Bw	S	1.39	1.78	0.086			28.4	19.0		1.041		0.13		0.83	0.35
94P00438	34-61	Bss1	S	1.47	1.87	0.084			25.7	19.1		1.043		0.10		0.85	0.36
94P00439	61-100	Bss2	S	1.44	1.86	0.089			26.0	19.6		1.042		0.09		0.86	0.37
94P00440	100-120	Bss3	S	1.40	1.79	0.085			30.5	20.5		1.043		0.14		0.88	0.40
94P00441	120-144	Bk	S	1.37	1.67	0.049			29.9	19.0		1.042		0.11		1.03	0.46
94P00442	144-200	BC	S	1.21	1.43	0.034			25.8	17.6		1.043		0.06		1.23	0.53

---

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 - - - - - - - - - - - - - - - - - - - - - -)

3C1e1a

94P00436

0-10

A

S

25.2

94P00437

10-34

Bw

S

24.8

94P00438

34-61

Bss1

S

25.1

94P00439

61-100

Bss2

S

25.8

94P00440

100-120

Bss3

S

26.1

94P00441

120-144

Bk

S

24.7

94P00442

144-200

BC

S

23.1

*** Primary Characterization Data ***

Pedon ID: 93CA011003

( Colusa, California )

Print Date: Nov 23 2024 7:29AM

Sampled As	:	Altamont Low		Fine, montmorillonitic, thermic Chromic Haploxerert
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  94P0051

---

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 - - - - -)
					6B4a			6A1c		6C2b	6G7a	6D2a
94P00436	0-10	A	S		0.123			1.02	8	2.4	0.2	--
94P00437	10-34	Bw	S		0.100			0.56	6	2.6	0.2	--
94P00438	34-61	Bss1	S		0.087			0.46	5	2.7	0.2	--
94P00439	61-100	Bss2	S		0.086			0.44	5	2.6	0.2	--
94P00440	100-120	Bss3	S					0.37		2.6	0.3	--
94P00441	120-144	Bk	S					0.27		2.5	0.2	--
94P00442	144-200	BC	S					0.19		2.4	0.2	--

---

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
94P00436	0-10	A	S	31.8	8.9	0.2	1.2	42.1	5.8			47.9	44.6			88	94
94P00437	10-34	Bw	S	33.0	8.4	0.1	1.1	42.6	4.9			47.5	45.2			90	94
94P00438	34-61	Bss1	S	34.0	7.6	0.2	0.9	42.7	3.6			46.3	45.2			92	94
94P00439	61-100	Bss2	S	35.4	7.8	0.3	0.9	44.4	2.7			47.1	45.2			94	98
94P00440	100-120	Bss3	S	40.4*	7.6	0.2	0.4		2.1				44.8			96	100
94P00441	120-144	Bk	S	53.1*	7.3	0.3	0.1		1.8				42.6			97	100
94P00442	144-200	BC	S	45.1*	6.5	0.3	0.1		1.9				40.9			96	100

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

*** Primary Characterization Data ***

Pedon ID: 93CA011003

( Colusa, California )

Print Date: Nov 23 2024 7:29AM

Sampled As	:	Altamont Low		Fine, montmorillonitic, thermic Chromic Haploxerert
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  94P0051

---

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 - -)

%

4F1a1a1

94P00436

0-10

A

S

0.11

tr

94P00437

10-34

Bw

S

0.08

tr

94P00438

34-61

Bss1

S

0.09

tr

94P00439

61-100

Bss2

S

0.11

1

94P00440

100-120

Bss3

S

0.18

tr

94P00441

120-144

Bk

S

0.18

1

94P00442

144-200

BC

S

0.15

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
					4C1a2a	4C1a2a				6E1g
94P00436	0-10	A	S		6.5	7.2
94P00437	10-34	Bw	S		6.4	7.1
94P00438	34-61	Bss1	S		6.7	7.4
94P00439	61-100	Bss2	S		7.2	7.8				--
94P00440	100-120	Bss3	S		7.5	8.0				1
94P00441	120-144	Bk	S		7.6	8.2				1
94P00442	144-200	BC	S		7.6	8.1				1

*** Primary Characterization Data ***

Pedon ID: 93CA011003

( Colusa, California )

Print Date: Nov 23 2024 7:29AM

Sampled As	:	Altamont Low		Fine, montmorillonitic, thermic Chromic Haploxerert
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  94P0051

---

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

tion

Layer

(cm)

Horz

ion

( - - - - - - - - - peak size - - - - - - - - - - )

(- - - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)

mg g-1

94P00437

10.0-34.0

Bw

tcly

VR 3

MT 3

KK 2

MI 2

CM 1

QZ 1

94P00439

61.0-100.0

Bss2

tcly

VR 3

MT 2

KK 2

MI 1

QZ 1

CM 1

CL 1

94P00441

120.0-144.0

Bk

tcly

MT 3

VR 3

KK 2

MI 1

QZ 1

CM 1

94P00442

144.0-200.0

BC

tcly

MT 3

KK 3

VR 2

MI 1

CM 1

QZ 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CL Chlorite	CM Chlorite-Mica	KK Kaolinite	MI Mica	MT Montmorillonite
QZ Quartz	VR Vermiculite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks