*** Taxonomy Characterization Data ***

Pedon ID: 91OK083005

( Logan, Oklahoma )

Print Date: Apr 27 2025 10:20AM

Sampled as on May 30, 1991:	Kirkland ; Fine, mixed, thermic Udertic Paleustolls
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP91OK203   LOGAN-OFUSKEE COS	Natural Resources Conservation Service
	-	Site ID	S1991OK083005   Lat: 35° 48' 57.00" north  Long: 97° 34' 2.99" west  MLRA: 80A	National Soil Survey Center
	-	Pedon No.	91P0876	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	8D1			4A1d
91P05325	0-20	Ap	S	25.5			0.40		2	1.50	0.028
91P05326	20-47	Bt1	S	41.7			0.40		1	1.34	0.083
91P05327	47-70	Bt2	S	41.8			0.41		1	1.40	0.081
91P05328	70-103	Btk	S	42.0			0.40		4	1.39	0.089	1
91P05329	103-127	2Bt1	S	44.8			0.40		3	1.38	0.088	1
91P05330	127-151	2Bt2	S	46.7			0.41		3	1.37	0.097	1
91P05331	151-187	2Bt3	S	47.9			0.41		2	1.36	0.094
91P05332	187-217	2Bt4	S	43.7		0.3	0.39		1	1.40	0.071
91P05333	217-245	3By	S				0.46			1.61	0.042
91P05333	217-245	3By	GP	26.2

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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	%
				4C1a2a		6A1c				6E1g	5C1	5C3		5A3b	8D1		5G1	8A3a	5D2
91P05325	0-20	Ap	S	5.4		1.31					78	64		13.7	0.69	0.54	1		1
91P05326	20-47	Bt1	S	6.9		0.72					97	86			0.76				3
91P05327	47-70	Bt2	S	7.7		0.58					99	92			0.76				5
91P05328	70-103	Btk	S	8.3		0.36				3	100*	100			0.74			0.89	7
91P05329	103-127	2Bt1	S	8.0		0.22				1	100*	96			0.70			1.30	8
91P05330	127-151	2Bt2	S	7.9		0.15				tr	100*	94			0.71			1.76	8
91P05331	151-187	2Bt3	S	7.7		0.10				tr	100*	94			0.69			2.15	9
91P05332	187-217	2Bt4	S	7.8		0.05				1	100*	100			0.61			2.12	8
91P05333	217-245	3By	S												0.73
91P05333	217-245	3By	GP	7.4		0.01				tr								2.95	9

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

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.76	(NA)
Clay, carbonate free, Weighted Average	42	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	1	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	42	% wt
LE, Whole Soil, Summed to 1m	7	cm/m
Weighted averages based on control section: 20-70 cm