*** Taxonomy Characterization Data ***

Pedon ID: 91AK240006

( Southeast Fairbanks Census Area, Alaska )

Print Date: Nov 21 2024 4:04PM

Sampled as on Jun 29, 1991:	Snd ; Loamy, mixed, nonacid Pergelic Cryaquept
Revised to correlated:	Tetlin ; Coarse-silty, mixed, superactive, subgelic Typic Aquiturbels

				United States Department of Agriculture
SSL	-	Project	CP91AK223   ALASKA DELTA/FAIRBANKS	Natural Resources Conservation Service
	-	Site ID	S1991AK240006   Lat: 63° 49' 47.00" north  Long: 144° 53' 44.98" west  MLRA: 174	National Soil Survey Center
	-	Pedon No.	91P0965	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			8D1			4A1d			7B1a2
91P06056	0-18	Oe	variable							0.41
91P06057	18-24	A	S	2.7			2.81		3	0.87	0.030
91P06058	24-31	Bw	S	6.9			1.12		3	0.86	0.026		38
91P06059	31-35	Ab	S	6.2			1.32		3	0.68	0.145		39
91P06060	35-61	Bwb	S	6.7			0.84		3	1.09	--		28
91P06061	61-79	Bgb	S	6.8			0.66		6	1.28	0.003
91P06062	79-110	Bgfb	S	6.3			0.65		7	1.39	0.002		30

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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	4C1a1a1	6A1c	6A2d		8J	6E1g	5C1	5C3	6S4		8D1				5D2
91P06056	0-18	Oe	S	4.9	7.6	4.50	4.02		0.32				17
91P06057	18-24	A	S	5.9	9.1	3.80	3.58	0.74	0.26		96	67	28		8.81				1
91P06058	24-31	Bw	S	6.4	9.4	2.80	2.65	0.69	0.30		100*	76	28		2.93				1
91P06059	31-35	Ab	S	6.6	9.3	3.70	3.85	0.63	0.46		100*	77	37		4.03				1
91P06060	35-61	Bwb	S	7.1	9.3	1.65	1.67	0.60	0.17		100*	84	28		2.16				2
91P06061	61-79	Bgb	S	7.5	9.0	0.66	0.63	0.45	0.07	--	100*	81	23		1.43				2
91P06062	79-110	Bgfb	S	7.8	9.0	0.46	0.52	0.45	0.07	tr	100*	89	17		1.27				4

^*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	1.71	(NA)
Clay, carbonate free, Weighted Average	7	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	5	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	7	% wt
Weighted averages based on control section: 43-86 cm