*** Taxonomy Characterization Data ***

Pedon ID: S1972CA049012

( Modoc, California )

Print Date: Dec 12 2024 7:28AM

Sampled as on Sep 13, 1972:	Gleason
Revised to correlated:	GLEASON ; Coarse-loamy, mixed, frigid Entic Haploxerolls

				United States Department of Agriculture
SSL	-	Project	NL72CA012   NE CALIF	Natural Resources Conservation Service
	-	Site ID	S1972CA049012   Lat: 41° 50' 31.00" north  Long: 120° 19' 53.99" west  MLRA: 22	National Soil Survey Center
	-	Pedon No.	72C0113	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
72C00668	0-10	A1	S	13.2			0.62		59	1.01	0.014	11
72C00669	10-40	A2	S	13.3			0.59		58	1.02	0.006	12
72C00670	40-55	AC	S	13.9			0.55		56	1.14	0.005	11
72C00671	55-90	C1	S	10.2			0.65		63	1.41	0.002	13
72C00672	90-127	C2	S	7.6			0.67		83	1.79	0.003	29
72C00673	127-142	R	S	4.2			1.10		71	1.74	0.002	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		6A1c					5C1	5C3		5A3b	8D1		5G1		5D2
72C00668	0-10	A1	S	6.2		2.02					78	68		12.7	1.21	0.96	2		3
72C00669	10-40	A2	S	6.3		1.05					87	74		12.7	1.08	0.95	2		3
72C00670	40-55	AC	S	6.3		0.61					90	74		10.5	0.83	0.76	2		4
72C00671	55-90	C1	S	6.0		0.27					85	73		6.7	0.76	0.66	1		4
72C00672	90-127	C2	S	5.8		0.10					89	71		5.1	0.74	0.67	2		9
72C00673	127-142	R	S	6.4							100*	72		3.2	0.67	0.76	3		18

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

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.84	(NA)
Clay, carbonate free, Weighted Average	11	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	63	% wt
Volume, >2mm, Weighted Average	15	% vol
Clay, total, Weighted Average	11	% wt
LE, Whole Soil, Summed to 1m	1	cm/m
Weighted averages based on control section: 25-100 cm