*** Taxonomy Characterization Data ***

Pedon ID: 03MT021001-90-1

( Dawson, Montana )

Print Date: Nov 11 2024 7:46PM

Sampled as on Oct 15, 1990:	Cherry ; Fine-silty, mixed, frigid Typic Ustochrept
Revised to correlated:	Lonna ; Fine-silty, mixed, superactive, frigid Typic Ustochrept

				United States Department of Agriculture
SSL	-	Project	CP91MT214   WEPS MONTANA	Natural Resources Conservation Service
	-	Site ID	03MT021001   Lat: 47° 12' 55.09" north  Long: 105° 11' 7.28" west  MLRA: 58A	National Soil Survey Center
	-	Pedon No.	91P0898	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			7B1a2
91P05464	0-14	Ap1	S	28.6	8.8	0.3	0.34		2
91P05465	14-19	Ap2	S	31.9	10.8	0.6	0.33		2	1.33	0.022
91P05466	19-32	Bw	S	32.9	12.9	2.8	0.35		2	1.28	0.020
91P05467	32-62	Bk	S	23.3	10.9	0.9	0.35		7	1.36	0.010		25
91P05468	62-80	Bky1	S	32.1	13.5	2.5	0.34		3	1.33	0.015		40
91P05469	80-102	Bky2	S	31.0	12.7	3.2	0.35		2	1.34	0.005		36
91P05470	102-144	Bky3	S	28.3	9.5	4.4	0.32		3	1.39	0.012
91P05471	144-180	BC1	S	24.2	8.1	1.2	0.42		5	1.41	0.016
91P05472	180-256	BC2	S	22.2	9.4	0.6	0.33		5
91P05473	256-332	BC3	S	24.1	8.7	0.6	0.32		6
91P05474	332-347	C	S	43.1	6.8	0.7	0.39		7
91P05475	347-370	Cr1	S				0.31
91P05475	347-370	Cr1	GP	23.5	7.5
91P05476	370-470	Cr2	S				0.55
91P05476	370-470	Cr2	GP	4.7	3.1

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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			8D1			8A3a	5D2
91P05464	0-14	Ap1	S	7.7		1.28				12	100*	100			0.47			0.83	--
91P05465	14-19	Ap2	S	8.0		1.17				14	100*	100			0.45			0.74	--
91P05466	19-32	Bw	S	7.8		1.17				14	100*	100			0.46			1.00	2
91P05467	32-62	Bk	S	8.3		0.53				22	100*	100			0.44			1.57	19
91P05468	62-80	Bky1	S	8.1		0.47				17	100*	100			0.36			6.71	15
91P05469	80-102	Bky2	S	8.5		0.31				22	100*	100			0.34			8.37	12
91P05470	102-144	Bky3	S	8.6		0.24				25	100*	100			0.34			9.20	8
91P05471	144-180	BC1	S	8.7		0.33				20	100*	100			0.38			9.24	1
91P05472	180-256	BC2	S	8.5		0.28				22	100*	100			0.37			7.04	1
91P05473	256-332	BC3	S	8.3		0.13				19	100*	100			0.31			5.28	18
91P05474	332-347	C	S	8.4		3.29				5	100*	100			0.51			5.15	4
91P05475	347-370	Cr1	S												0.23
91P05475	347-370	Cr1	GP	7.6		0.14				9								4.30	6
91P05476	370-470	Cr2	S												0.51
91P05476	370-470	Cr2	GP	7.7		0.05				17								2.91	--

^*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	0.42	(NA)
Clay, carbonate free, Weighted Average	26	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	4	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	28	% wt
Weighted averages based on control section: 25-100 cm