*** Taxonomy Characterization Data ***

Pedon ID: 77TX027002A

( Bell, Texas )

Print Date: Nov 12 2024 3:18AM

Sampled as on Jun 1, 1977:	Houston Black ; Fine, montmorillonitic, thermic Udic Pellustert
Revised to correlated:	Houston Black ; Fine, smectitic, thermic Udic Pellusterts

				United States Department of Agriculture
SSL	-	Project	CP78TX001   VERTISOL STUDY	Natural Resources Conservation Service
	-	Site ID	S1977TX027002A   Lat: 31° 2' 35.00" north  Long: 97° 20' 55.00" west  MLRA: 86	National Soil Survey Center
	-	Pedon No.	78P0002	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

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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	3A1a1a	8D1			4A1d
78P00010	0-36		S	57.1	15.3	13.1	0.53		2	1.06	0.151	tr
78P00011	36-76		S	57.8	7.0	13.8	0.49		2	1.21	0.152	tr
78P00012	76-102		S	54.3	5.2	14.3	0.50		2	1.27	0.127	tr
78P00013	102-112		S	54.8	6.4	17.8	0.46		2			tr
78P00014	10-20		variable							1.06
78P00015	40-50		variable							1.21
78P00016	70-80		variable							1.27
78P00017	100-110		variable							1.27

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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	%
				8C1a		6A1c				6E1b		5C3			8D1				5D2
78P00010	0-36		S	7.5		3.21				21		100			0.97				tr
78P00011	36-76		S	7.6		1.76				26		100			0.91				1
78P00012	76-102		S	7.7		0.82				37		100			0.83				4
78P00013	102-112		S	7.7		1.39				29		100			0.91				4

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