*** Taxonomy Characterization Data ***

Pedon ID: 91AK170002

( Matanuska-Susitna Borough, Alaska )

Print Date: Nov 21 2024 3:10PM

Sampled as on Jul 1, 1991:	Bodenburg ; Coarse-silty, mixed Aquic Cryochrept
Revised to correlated:	Bodenburg ; Coarse-silty, mixed, superactive Aquic Eutrocryepts

				United States Department of Agriculture
SSL	-	Project	CP91AK224   ALASKA-MATSU	Natural Resources Conservation Service
	-	Site ID	S1991AK170002   Lat: 61° 34' 47.00" north  Long: 149° 4' 23.01" west  MLRA: 170	National Soil Survey Center
	-	Pedon No.	91P0973	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	3A1a1a		8D1			4A1d			7B1a2
91P06110	0-7	Oa	variable							0.38
91P06111	7-12	A	S	2.2	1.1		6.14		3	0.76	0.017
91P06112	12-21	Bw1	S	3.7	1.6		2.27		3	0.85	0.012
91P06113	21-37	Bw2	S	3.2	1.4		2.38		2				33
91P06114	37-64	Bg1	S	2.9	1.1		1.69		2	1.13	--		29
91P06115	64-88	Bg21	S	4.7	1.4		0.98		2				33
91P06116	88-111	Bg22	S	3.7	0.8		1.30		3				31
91P06117	111-189	Bg3	S	5.2	0.9		0.94		1	1.23	0.011

---

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	6A2d		8J		5C1	5C3	6S4		8D1				5D2
91P06110	0-7	Oa	S	6.6		6.47	6.12		0.06
91P06111	7-12	A	S	6.1		6.17	5.30	0.51	0.26		94	68	21		12.00				--
91P06112	12-21	Bw1	S	6.2		3.53	3.38	0.66	0.21		92	63	32		5.41				1
91P06113	21-37	Bw2	S	5.8		3.62	3.44	0.71	0.20		78	50	41		5.56				--
91P06114	37-64	Bg1	S	6.1		1.67	1.42	0.69	0.11		96	61	26		3.31				1
91P06115	64-88	Bg21	S	6.1		1.29	1.10	0.58	0.07		100*	69	23		1.94				1
91P06116	88-111	Bg22	S	6.3		1.10	1.06	0.76	0.07		100*	62	28		2.43				1
91P06117	111-189	Bg3	S	6.5		0.85		1.06	0.09		100*	62	34		1.98				2

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

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	2.8	(NA)
Clay, carbonate free, Weighted Average	4	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	2	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	4	% wt
Weighted averages based on control section: 32-107 cm