*** Taxonomy Characterization Data ***

Pedon ID: S1973CA049003

( Modoc, California )

Print Date: Nov 11 2024 9:35PM

Sampled as on Sep 15, 1973:	Puls
Revised to correlated:	PULS ; Clayey, smectitic, shallow Abruptic Xeric Argidurids

				United States Department of Agriculture
SSL	-	Project	NL73CA013   ALTURAS & MODOC	Natural Resources Conservation Service
	-	Site ID	S1973CA049003   Lat: 41° 39' 10.00" north  Long: 120° 43' 20.00" west  MLRA: 21	National Soil Survey Center
	-	Pedon No.	73C0094	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			8D1			4A1d
73C00642	0-8	A	S	18.6			0.54		34	1.35	0.021	4
73C00643	8-23	Bt1	S	30.6			0.42		40	1.33	0.023	15
73C00644	23-43	Bt2	S	57.7			0.47		11	1.20	0.137	1
73C00645	43-51	Bqm1	S	9.9			2.24		78	1.33	0.031	3
73C00646	51-64	Bqm2	S	7.7			2.90		62	1.29	0.026	5
73C00647	64-76	Bqm3	S	2.7			7.00		77	0.61	0.010	4

---

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		6A1c					5C1	5C3			8D1				5D2
73C00642	0-8	A	S	6.3		0.93					100*	100			1.10				1
73C00643	8-23	Bt1	S	6.0		0.58					83	100			0.80				2
73C00644	23-43	Bt2	S	6.7		0.35					100*	100			0.81				2
73C00645	43-51	Bqm1	S	6.9		0.15					79	100			5.85				2
73C00646	51-64	Bqm2	S	7.9		0.02					100*	100			7.58				2
73C00647	64-76	Bqm3	S	8.2							100*	100			20.70				4

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

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.8	(NA)
Clay, carbonate free, Weighted Average	46	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	23	% wt
Volume, >2mm, Weighted Average	6	% vol
Clay, total, Weighted Average	46	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 8-43 cm