*** Primary Characterization Data ***

Pedon ID: 91CA011001

( Colusa, California )

Print Date: Nov 21 2024 12:36PM

Sampled as on Apr 29, 1991:	Contra Costa T
Revised to correlated:	Hillgate ; Fine-loamy, mixed, mesic Haplic Palexeralfs

				United States Department of Agriculture
SSL	-	Project	CP91CA178   1992 TOUR	Natural Resources Conservation Service
	-	Site ID	S1991CA011001   Lat: 39° 17' 14.99" north  Long: 122° 28' 20.00" west  MLRA: 15	National Soil Survey Center
	-	Pedon No.	91P0758	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
91P04324	A1	A1	0-3					L
91P04325	A2	A2	3-8					L
91P04326	Bt1	Bt1	8-23					CL
91P04327	Bt2	Bt2	23-56					CL
91P04328	Bt3	Bt3	56-74					CL
91P04329	Bt4	Bt4	74-93					SCL
91P04330	Bt5	Bt5	93-114					L
91P04331	BCt	BCt	114-155					CL
91P04332			155-180					CL
91P04333			180-193					C
91P04334			193-212					C
91P04335			212-230					C
91P04336			0-0
91P04337			0-0
91P04338			0-0
91P04339			0-0
91P04340			0-0
91P04341			0-0
91P04342			0-0
91P04343			0-0

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, total, Weighted Average	30	% wt
CEC Activity, CEC7/Clay, Weighted Average	1.08	(NA)
Clay, carbonate free, Weighted Average	31	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	25	% wt
Weighted averages based on control section: 8-58 cm

*** Primary Characterization Data ***

Pedon ID: 91CA011001

( Colusa, California )

Print Date: Nov 21 2024 12:36PM

Sampled As	:	Contra Costa T
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0758

---

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
91P04324	0-3	A1	S	l	24.7	32.3	43.0	9.5		20.3	12.0	20.5	14.5	4.8	2.5	0.7	3	4	--	28	7
91P04325	3-8	A2	S	l	26.5	31.8	41.7	11.7		21.2	10.6	19.5	14.7	4.7	2.0	0.8	1	2	--	25	3
91P04326	8-23	Bt1	S	cl	31.2	29.1	39.7	15.9		19.8	9.3	17.0	13.2	5.8	2.3	1.4	1	tr	--	23	1
91P04327	23-56	Bt2	S	cl	30.3	29.7	40.0	16.2		19.6	10.1	17.1	13.6	5.3	2.6	1.4	2	1	--	25	3
91P04328	56-74	Bt3	S	cl	29.3	28.9	41.8	15.7		20.1	8.8	16.0	14.1	6.5	3.7	1.5	1	2	--	28	3
91P04329	74-93	Bt4	S	scl	26.3	27.1	46.6	14.5		18.9	8.2	17.7	17.4	5.8	3.7	2.0	2	3	12	41	17
91P04330	93-114	Bt5	S	l	25.2	31.1	43.7	12.8		22.7	8.4	17.0	14.0	7.0	4.0	1.7	1	3	--	30	4
91P04331	114-155	BCt	S	cl	28.8	34.6	36.6	12.7		24.9	9.7	14.3	11.4	5.7	3.9	1.3	2	1	--	25	3
91P04332	155-180		S	cl	29.7	28.5	41.8	14.6		19.0	9.5	16.3	14.0	5.8	3.7	2.0	2	8	--	33	10
91P04333	180-193		S	c	50.8	19.5	29.7	26.5		13.7	5.8	11.1	13.7	2.3	1.2	1.4	1	--	--	19	1
91P04334	193-212		S	c	53.5	16.7	29.8	28.6		12.3	4.4	11.2	12.8	3.3	1.4	1.1	2	3	--	23	5
91P04335	212-230		S	c	48.4	19.4	32.2	28.2		14.9	4.5	10.7	14.2	4.0	2.0	1.3	2	19	--	38	21
91P04336	0-0		S														4	2	--
91P04337	0-0		S														--	--	--
91P04338	0-0		S														6	4	--
91P04339	0-0		S														--	--	--
91P04340	0-0		S														--	--	--
91P04341	0-0		S														1	--	--
91P04342	0-0		S														--	--	--
91P04343	0-0		S														--	--	--

*** Primary Characterization Data ***

Pedon ID: 91CA011001

( Colusa, California )

Print Date: Nov 21 2024 12:36PM

Sampled As	:	Contra Costa T
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0758

---

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	3F1a1a	8D1	8D1
91P04324	0-3	A1	S	1.40	1.51	0.025			20.9	10.9		1.026		0.14	50	0.96	0.44
91P04325	3-8	A2	S	1.62	1.77	0.029			17.0	11.2		1.030		0.09	14	0.93	0.42
91P04326	8-23	Bt1	S	1.74	1.77	0.006			17.5	12.3		1.033		0.09		0.93	0.39
91P04327	23-56	Bt2	S	1.59	1.94	0.067			20.6	13.5		1.040		0.11		1.14	0.45
91P04328	56-74	Bt3	S	1.69	1.97	0.051			17.5	13.6		1.043		0.06		1.28	0.46
91P04329	74-93	Bt4	S							13.3		1.042				1.43	0.51
91P04330	93-114	Bt5	S	1.67	1.88	0.039			17.6	13.2		1.042		0.07		1.50	0.52
91P04331	114-155	BCt	S	1.68	1.89	0.039			18.2	13.0		1.038		0.09		1.24	0.45
91P04332	155-180		S							13.5		1.043				1.26	0.45
91P04333	180-193		S							19.8		1.059				0.91	0.39
91P04334	193-212		S							19.9		1.060				0.85	0.37
91P04335	212-230		S							19.0		1.053				0.90	0.39

---

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 - - - - - - - - - - - - - - - - - - - - - -)
				4F1	4F										3C1e1a
91P04324	0-3	A1	S	36	15										15.9
91P04325	3-8	A2	S												15.5
91P04326	8-23	Bt1	S	38	22										15.8
91P04327	23-56	Bt2	S												16.9
91P04328	56-74	Bt3	S	36	15										17.1
91P04329	74-93	Bt4	S												16.7
91P04330	93-114	Bt5	S												16.6
91P04331	114-155	BCt	S												16.7
91P04332	155-180		S												18.1
91P04333	180-193		S												26.7
91P04334	193-212		S												26.3
91P04335	212-230		S												25.2

*** Primary Characterization Data ***

Pedon ID: 91CA011001

( Colusa, California )

Print Date: Nov 21 2024 12:36PM

Sampled As	:	Contra Costa T
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0758

---

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 - - - - -)
				6A2d	6B3a	6R3b		6A1c		6C2b	6G7a	6D2a		8J	6C9b	6G12b	6V2b	6D5b
91P04324	0-3	A1	S	1.74	0.144	0.02		2.19		3.1	0.2	0.1	0.39	0.07	0.47	0.15	0.04	509.3
91P04325	3-8	A2	S	0.99	0.078	0.01		1.11		3.7	0.2	0.1	0.42	0.07	0.46	0.19	0.04	664.2
91P04326	8-23	Bt1	S	0.45	0.047	0.01		0.41		3.3	0.3	0.1	0.42	0.05	0.45	0.20	0.06	713.0
91P04327	23-56	Bt2	S	0.32	0.040	0.02		0.30		3.2	0.3	0.1	0.36	0.03	0.39	0.16	0.05	589.2
91P04328	56-74	Bt3	S	0.25	0.036	0.02		0.24		3.0	0.3	0.1	0.36	0.03	0.37	0.17	0.07	645.8
91P04329	74-93	Bt4	S	0.24	0.033	--		0.24		3.0	0.2	0.1	0.45	0.04	0.51	0.20	0.09	945.9
91P04330	93-114	Bt5	S	0.23	0.036	0.02		0.21		3.0	0.3	0.1	0.42	0.04	0.46	0.19	0.08	603.5
91P04331	114-155	BCt	S	0.21				0.18		3.2	0.2	0.1	0.31	0.04	0.32	0.15	0.07	673.1
91P04332	155-180		S	0.18				0.17		3.0	0.2	0.1	0.39	0.04	0.41	0.19	0.10	706.3
91P04333	180-193		S	0.20				0.20		3.2	0.3	0.1	0.35	0.03	0.34	0.18	0.10	857.3
91P04334	193-212		S	0.40				0.35		3.3	0.3	0.1	0.35	0.03	0.33	0.18	0.10	759.3
91P04335	212-230		S	0.44				0.35		3.3	0.3	0.1	0.38	0.04	0.39	0.19	0.10	837.4
91P04336	0-0		S	4.62	0.362	--		4.99
91P04337	0-0		S	1.65	0.136	--		1.57
91P04338	0-0		S	3.13	0.239	0.02		3.12
91P04339	0-0		S	1.30	0.103	0.01		1.33
91P04340	0-0		S	0.90	0.073	0.01		1.02
91P04341	0-0		S	5.01	0.403	0.01		4.75
91P04342	0-0		S	1.74	0.144	0.01		1.76
91P04343	0-0		S	0.81	0.076	--		0.73

*** Primary Characterization Data ***

Pedon ID: 91CA011001

( Colusa, California )

Print Date: Nov 21 2024 12:36PM

Sampled As	:	Contra Costa T
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0758

---

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
91P04324	0-3	A1	S	11.6	7.1	0.1	1.1	19.9	8.4			28.3	23.6			70	84
91P04325	3-8	A2	S	12.8	8.3	0.2	0.7	22.0	7.3			29.3	24.7			75	89
91P04326	8-23	Bt1	S	16.8	10.1	0.3	0.4	27.6	6.5			34.1	29.1			81	95
91P04327	23-56	Bt2	S	19.4	12.8	0.3	0.4	32.9	6.3			39.2	34.5			84	95
91P04328	56-74	Bt3	S	21.1	14.1	0.3	0.4	35.9	6.1			42.0	37.5			85	96
91P04329	74-93	Bt4	S	20.5	14.9	0.5	0.3	36.2	5.4			41.6	37.6			87	96
91P04330	93-114	Bt5	S	22.8*	15.2	0.7	0.3	39.0	4.8			43.8	37.9			89	100
91P04331	114-155	BCt	S	18.6	15.2	1.1	0.3	35.2	4.1			39.3	35.7			90	99
91P04332	155-180		S	19.3*	16.5	1.7	0.3	37.8	4.2			42.0	37.4			90	100
91P04333	180-193		S	23.3*	23.4	2.7	0.5		2.9				46.1			95	100
91P04334	193-212		S	38.6*	23.3	2.8	0.5		1.7				45.4			97	100
91P04335	212-230		S	33.9*	22.6	2.9	0.5		2.4				43.4			96	100

^*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	4F1a1a1		5E
91P04324	0-3	A1	S																		0.07	tr
91P04325	3-8	A2	S																		0.05	1
91P04326	8-23	Bt1	S																		0.04	1
91P04327	23-56	Bt2	S																		0.03	1
91P04328	56-74	Bt3	S																		0.03	1
91P04329	74-93	Bt4	S																		0.04	1
91P04330	93-114	Bt5	S																		0.04	2
91P04331	114-155	BCt	S																		0.05	3
91P04332	155-180		S																		0.10	5
91P04333	180-193		S	0.8	0.8	3.8	--	--	2.9	0.2	1.0				1.0	--	--	75.0	tr	0.75	0.29	5	4
91P04334	193-212		S	1.2	1.3	4.8	tr	--	3.0	0.2	1.3				2.2	--	--	75.3	tr	0.71	0.47	5	4
91P04335	212-230		S	0.9	0.9	3.9	0.1	--	1.2	0.2	2.0				2.0	--	--	69.6	tr	0.66	0.49	6	4

*** Primary Characterization Data ***

Pedon ID: 91CA011001

( Colusa, California )

Print Date: Nov 21 2024 12:36PM

Sampled As	:	Contra Costa T
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0758

---

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
				4C1a2a3	4C1a2a	4C1a2a	8C1b			6E1g
91P04324	0-3	A1	S	4.4	5.3	6.1
91P04325	3-8	A2	S	4.3	5.4	6.3
91P04326	8-23	Bt1	S	4.2	5.7	6.5
91P04327	23-56	Bt2	S	4.1	5.7	6.6
91P04328	56-74	Bt3	S	4.3	5.8	6.6
91P04329	74-93	Bt4	S	4.4	6.0	6.8
91P04330	93-114	Bt5	S	4.8	6.1	6.9
91P04331	114-155	BCt	S	5.2	6.3	7.1
91P04332	155-180		S	6.1	6.6	7.5
91P04333	180-193		S	6.6	7.3	8.2	7.8			tr
91P04334	193-212		S	6.5	7.6	8.3	7.9			3
91P04335	212-230		S	5.9	7.6	8.3	7.9			1

---

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				6S3
91P04324	0-3	A1	S		19				--
91P04325	3-8	A2	S		13				1.0
91P04326	8-23	Bt1	S		23				--
91P04327	23-56	Bt2	S		19				3.0
91P04328	56-74	Bt3	S		22				--
91P04329	74-93	Bt4	S		25				--
91P04330	93-114	Bt5	S		19				--
91P04331	114-155	BCt	S		19
91P04332	155-180		S		19
91P04333	180-193		S		23
91P04334	193-212		S		22
91P04335	212-230		S		27

*** Primary Characterization Data ***

Pedon ID: 91CA011001

( Colusa, California )

Print Date: Nov 21 2024 12:36PM

Sampled As	:	Contra Costa T
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0758

---

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

91P04324

0.0-3.0

A1

tcly

KK 2

MI 2

QZ 1

19

12.0

1.1

91P04326

8.0-23.0

Bt1

tcly

KK 3

MT 3

MI 2

MM 1

QZ 1

20

12.0

1.5

91P04328

56.0-74.0

Bt3

tcly

MT 3

KK 3

MI 2

MM 2

QZ 1

20

11.6

1.3

91P04330

93.0-114.0

Bt5

tcly

MT 3

KK 3

MM 2

MI 2

QZ 1

20

11.3

1.3

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MM Montmorillonite-Mica	MT Montmorillonite	QZ Quartz

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 91CA011001

( Colusa, California )

Print Date: Nov 21 2024 12:36PM

Sampled As	:	Contra Costa T
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0758

---

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
91P04325	3.0-8.0	A2	fs											OT 99
91P04326	8.0-23.0	Bt1	fs											OT 99

FRACTION INTERPRETATION:
fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
OT Other