*** Taxonomy Characterization Data ***

Pedon ID: 02CA601110

( Humboldt, California )

Print Date: Feb 16 2025 5:30AM

Sampled as on Oct 28, 2002:	Rootcreek ; Fine-silty, mixed, superactive, isomesic Aquollic Hapludalf
Revised to correlated on Mar 3, 2012:	Rootcreek ; Fine-silty, mixed, superactive, isomesic Aquollic Hapludalfs

				United States Department of Agriculture
SSL	-	Project	C2007USCA054   Humboldt Co.	Natural Resources Conservation Service
	-	Site ID	02CA601110   Lat: 40° 24' 4.00" north  Long: 123° 55' 2.00" west  MLRA: 4	National Soil Survey Center
	-	Pedon No.	07N0344	Kellogg Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Taxonomy Tier 1				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-
					Fine	CaCO3	1500		.1-75	Bulk	Cole	Vol	Resist
				Clay	Clay	Clay	kPa	Clay	mm	Den	Whole	% of	Min
	Depth			<.002	<.0002	<.002	/Clay	Est	Frac	33 kPa	Soil	Whole	%
Layer	(cm)	Horz	Prep	(---------% of <2 mm-------)				(-------- % --------)		g cm-3	cm cm-1
				3A1a1a	3A1a1a					DbWR1
07N01785	0-5	Oi	S						--			--
07N01786	5-14	A1	S	18.1	6.9		0.64	20.1	3	1.00	0.016	--
07N01787	14-31	A2	S	16.7	5.9		0.55		3	1.48	0.009	1
07N01788	31-59	Bt1	S	17.6	5.3		0.49		3	1.47	0.009	tr	60
07N01789	59-81	Bt2	S	22.6	8.9		0.47		2	1.50	0.020	tr	55
07N01790	81-107	Bt3	S	23.9	10.0		0.46		2	1.55	0.025	--
07N01791	107-144	Bt4	S	24.6	9.7		0.44		2	1.64	0.024	tr
07N01792	144-185	Bt5	S	25.8	9.3		0.49		6	1.59	0.028	2

---

Taxonomy Tier 2				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-
				pH	pH	Org	Tot	Al+½ Fe		CO3 as	(--- Base Sat ---)		NZ	ECEC	CEC7	ECEC	Al
	Depth			H2O	NaF	C	C	Oxal	ODOE	CaCO3	NH4	Bases	P Ret	cmol(+)	/Clay	/Clay	Sat	E C	ESP
Layer	(cm)	Horz	Prep			(------------------------------------------ % --------------------------------------------)								kg -1			%	dS m-1	%
				4C1a2a	4C1a1a1		4H2a		4G2				4D8a1
07N01785	0-5	Oi	S				31.71
07N01786	5-14	A1	S	5.1	8.9		3.46	0.62	0.19		43	27	39	10.2	1.08	0.56	19		tr
07N01787	14-31	A2	S	5.1	9.2		2.27	0.63	0.14		41	25	35	8.2	0.88	0.49	27		tr
07N01788	31-59	Bt1	S	5.3	9.3		0.76	0.54	0.09		54	35	30	8.5	0.71	0.48	21		1
07N01789	59-81	Bt2	S	5.0	9.0		0.55	0.60	0.06		50	33	31	11.4	0.69	0.50	32		1
07N01790	81-107	Bt3	S	5.1	8.8		0.39	0.50	0.04		64	45	26	12.5	0.65	0.52	20		1
07N01791	107-144	Bt4	S	5.3	8.7		0.35	0.43	0.04		81	57	19	14.4	0.66	0.59	8		2
07N01792	144-185	Bt5	S	5.7	8.7		0.23	0.42	0.05		100*	71	21	19.5	0.71	0.76	2		2

^*Extractable Ca may contain Ca from calcium carbonate or gypsum.

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, carbonate free, Weighted Average	23	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	2	% wt
Clay, total, Weighted Average	23	% wt
Volume, >2mm, Weighted Average	0	% vol
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 1	0.67	(NA)
Weighted averages based on control section: 59-109 cm