*** Taxonomy Characterization Data ***

Pedon ID: S1992IA177002

( Van Buren, Iowa )

Print Date: Feb 2 2025 3:00PM

Sampled as :	Keosauqua ; Fine-loamy, mixed, mesic Typic Argiudoll
Revised to correlated:	Keosauqua ; Fine-loamy, mixed, mesic Typic Argiudolls

				United States Department of Agriculture
SSL	-	Project	CP92IA153   EAST IOWA	Natural Resources Conservation Service
	-	Site ID	S1992IA177002   Lat: 40° 51' 15.00" north  Long: 92° 7' 5.99" west  MLRA: 109	National Soil Survey Center
	-	Pedon No.	92P0594	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			8D1			4A1d
92P03549	0-18	Ap	S	10.2			0.65		29	1.56	0.015	1
92P03550	18-33	A	S	15.1			0.47		27	1.64	0.012	1
92P03551	33-53	Bt1	S	18.7			0.49		26	1.70	0.013	1
92P03552	53-69	Bt2	S	22.5			0.51		21	1.54	0.042
92P03553	69-86	Bt3	S	23.9			0.51		16	1.57	0.033
92P03554	86-105	Bt4	S	20.3			0.53		24	1.57	0.033
92P03555	105-119	Bt5	S	16.8			0.50		46	1.61	0.025	2
92P03556	119-139	2C1	S	6.2			0.74		80	1.66	0.007	6
92P03557	139-155	2C2	S	1.7			2.18		93	1.60	0.007	12
92P03558	155-190	2C3	S	3.9			0.77		94	1.52	0.048	29
92P03559	190-208	2C4	S	2.7			1.22		96	1.52	0.026	25

---

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					5C1	5C3			8D1				5D2
92P03549	0-18	Ap	S	6.0		0.93					100*	79			0.95				1
92P03550	18-33	A	S	6.6		0.70					100*	76			0.73				--
92P03551	33-53	Bt1	S	6.8		0.41					100*	86			0.67				--
92P03552	53-69	Bt2	S	6.9		0.37					100*	78			0.66				1
92P03553	69-86	Bt3	S	6.8		0.36					99	80			0.71				1
92P03554	86-105	Bt4	S	6.8		0.24					100*	79			0.73				1
92P03555	105-119	Bt5	S	6.8		0.23					100*	80			0.66				1
92P03556	119-139	2C1	S	6.7		0.15					100*	72			0.92				--
92P03557	139-155	2C2	S	6.7		0.10					100*	81			2.18				--
92P03558	155-190	2C3	S	6.6		0.06					100*	69			0.92				3
92P03559	190-208	2C4	S	6.4		0.08					97	52			1.30				--

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

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.68	(NA)
Clay, carbonate free, Weighted Average	21	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	22	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	21	% wt
LE, Whole Soil, Summed to 1m	2	cm/m
Weighted averages based on control section: 33-83 cm