*** Supplementary Characterization Data ***

Pedon ID: 54ND019002

( Cavalier, North Dakota )

Print Date: Sep 26 2026 10:56AM

Sampled as on Jun 2, 1954:	Cathay
Revised to correlated on Oct 1, 1991:	Cathay ; Fine-loamy, mixed, frigid Udic Argiboroll

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	54ND019002   Lat: 48° 51' 55.53" north  Long: 98° 24' 30.12" west  MLRA: 55A	Mandan Soil Survey Laboratory
	-	Pedon No.	40A0010	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Mandan, North Dakota

---

Tier 1				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-	-20-	-21-	-22-	-23-	-24-	-25-
				(- - - - - - - - - - - - - - - - - - - - - - Engineering PSDA - - - - - - - - - - - - - - - - - - - - -)													(- - - - - Cumulative Curve Fractions - - - - -) (<75mm)								( Atter- )		( Gradation )
				Percentage Passing Sieve													USDA Less Than Diameters (mm) at								berg		Uni-	Cur-
	Depth			3	2	3/2	1	3/4	3/8	4	10	40	200	20	5	2	1.	.5	.25	.10	.05	60	50	10	LL	PI	fmty	vtur
Layer	(cm)	Horz	Prep	(-------------------Inches-------------------)						(---------Number---------)				(------Microns----)			(---------Millimeter----------)					(-----Percentile---)			(----%----)		CU	CC
40A00073	0-13	Ap	S	100	100	100	100	100	100	99	98	83	63	47	30	19	93	85	78	66	59	0.06	0.026	0.001			84.4	0.7
40A00074	13-25	Bw11	S	100	100	100	100	100	100	99	98	88	72	56	41	31	95	90	85	75	68	0.03	0.012	--			65.0	0.3
40A00075	25-36	Bw12	S	100	100	100	100	100	100	99	97	86	69	55	40	30	93	87	82	72	65	0.03	0.013	--			76.1	0.3
40A00076	36-69	Bky	S	100	100	100	100	100	99	98	95	83	67	50	35	25	90	84	79	70	63	0.04	0.020	0.001			79.7	0.5
40A00077	69-86	Bk	S	100	100	100	100	100	99	97	93	82	67	51	34	22	89	84	79	70	62	0.04	0.019	0.001			73.5	0.6
40A00078	86-152	C	S	100	100	100	100	100	99	97	92	80	62	45	29	18	88	81	76	65	57	0.06	0.029	0.001			95.1	0.7

---

Tier 2				-26-	-27-	-28-	-29-	-30-	-31-	-32-	-33-	-34-	-35-	-36-	-37-	-38-	-39-	-40-	-41-	-42-	-43-	-44-	-45-	-46-	-47-	-48-	-49-	-50-
				(- - - - - - - - - - - - - - - - - - - - - - Weight Fractions - - - - - - - - - - - - - - - - - - - - -)														(- - - - - - - - - - - Weight Per Unit Volume (g cm-3 )- - - - - - - -)									(- - Void - -)
				Whole Soil (mm)								<75 mm Fraction						Whole Soil				<2 mm Fraction					Ratios
				>2	250	250	75	75	20	5		75	75	20	5			Soil Sur		Engineering		Soil Survey			Engineering		At 33 kPa
	Depth				-UP	-75	-2	-20	-5	-2	<2	-2	-20	-5	-2	<2		33	Oven	Moist	Satur	33	1500	Oven	Moist	Satur	Whole	<2
Layer	(cm)	Horz	Prep	(------------------- % of Whole Soil ------------------)								(--------- % of <75 mm ---------)						kPa	-dry		-ated	kPa	kPa	-dry		-ated	Soil	mm
													3B1	3B1	3B1
40A00073	0-13	Ap	S	2	--	--	2	--	1	1	98	2	--	1	1	98		1.461
40A00074	13-25	Bw11	S	2	--	--	2	--	1	1	98	2	--	1	1	98		1.461
40A00075	25-36	Bw12	S	3	--	--	3	--	1	2	97	3	--	1	2	97		1.481
40A00076	36-69	Bky	S	5	--	--	5	--	2	3	95	5	--	2	3	95		1.481
40A00077	69-86	Bk	S	7	--	--	7	--	3	4	93	7	--	3	4	93		1.501
40A00078	86-152	C	S	8	--	--	8	--	3	5	92	8	--	3	5	92		1.511

¹The whole-soil bulk density was not measured. It was calculated using 1.45 g/cc as the 1/3-bar bulk density of the less-than-2-mm fraction for mineral soils.

*** Supplementary Characterization Data ***

Pedon ID: 54ND019002

( Cavalier, North Dakota )

Print Date: Sep 26 2026 10:56AM

Sampled As	:	Cathay
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A0010

---

Tier 3				-51-	-52-	-53-	-54-	-55-	-56-	-57-	-58-	-59-	-60-	-61-	-62-	-63-	-64-	-65-	-66-	-67-	-68-	-69-	-70-	-71-	-72-	-73-	-74-	-75-
				(- - - - - - - - - - - - - - - - - Volume Fractions - - - - - - - - - - - - - - - -)													C	(- - - - - - - Ratios To Clay - - - - - -)					(- - Linear Extensiblity - -)				(- - WRD - -)
				Whole Soil (mm) At 33 kPa													/N	<2 mm Fraction					Whole Soil		<2 mm		Whole	<2
				>2	250	250	75	75	20	5		2-	.05-	LT	Pores		Rat	Fine	CEC		1500	LEP	33 kPa		to %		Soil	mm
	Depth				-UP	-75	-2	-20	-5	-2	<2	.05	.002	.002	D	F	-io	Clay	Sum	NH4-	kPa	33	1500	Oven	1500	Oven
Layer	(cm)	Horz	Prep	(----------------------------- % of Whole Soil ---------------------------)															Cats	OAC	H2O	kPa	kPa	-dry	kPa	-dry	(---in3/in3---)
40A00073	0-13	Ap	S	1	--	--	--	--	1	1	99	22	22	10	45		12		1.68		0.79
40A00074	13-25	Bw11	S	1	--	--	--	--	1	1	99	16	20	17	45		9		0.92		0.56
40A00075	25-36	Bw12	S	2	--	--	--	--	1	1	98	18	20	16	44		8		0.08		0.64
40A00076	36-69	Bky	S	3	--	--	--	--	1	2	97	18	21	14	44				0.16		0.60
40A00077	69-86	Bk	S	4	--	--	--	--	2	2	96	17	23	13	43				0.33		0.66
40A00078	86-152	C	S	5	--	--	--	--	2	3	95	20	22	10	43				0.48		0.78

---

Tier 4				-76-	-77-	-78-	-79-	-80-	-81-	-82-	-83-	-84-	-85-	-86-	-87-	-88-	-89-	-90-	-91-	-92-	-93-	-94-	-95-	-96-	-97-	-98-
				(- - - - - - - - - - - - - - - - - - - Weight Fractions - Clay Free - - - - - - - - - - - - - - - - - -)															Text	PSDA (mm)			pH	Elect.		Part-
				(--------------- Whole Soil ---------------)						(------------------- <2 mm Fraction -------------------)									-ure	Sand	Silt	Clay	Ca	Res-	Con-	-icle
				>2	75	20	2-	.05-	<	(------------- Sands -------------)					(--- Silts ---)		Cl		by	2-	.05-	<	Cl2	ist.	duct	Den-
	Depth				-2	-2	.05	.002	.002	VC	C	M	F	VF	C	F	ay		PSDA	.05	.002	.002	.01M	ohms	dS m-1	sity
Layer	(cm)	Horz	Prep	(- % of >2 mm Sand and Silt -)						(------------------% of Sand and Silt -------------)									<2 mm	(---- % of 2 mm ----)			(-------- <2 mm --------)			g cm-3
																			3A1a1a	3A1a1a	3A1a1a	3A1a1a			8A1a
40A00073	0-13	Ap	S	2	2	2	49	49	23	6	10	9	16	9	15	35	24		l	40.2	40.5	19.3			0.70
40A00074	13-25	Bw11	S	3	3	3	44	54	45	4	8	8	15	10	18	37	46		cl	30.7	37.8	31.5			0.70
40A00075	25-36	Bw12	S	4	4	4	45	50	42	5	9	8	15	10	15	38	44		cl	32.9	36.5	30.6			0.90
40A00076	36-69	Bky	S	7	7	7	43	51	33	7	8	7	13	10	18	36	35		l	33.7	40.2	26.1			4.90
40A00077	69-86	Bk	S	9	9	9	39	52	29	6	8	7	13	11	17	40	32		l	32.8	43.2	24.0			7.50
40A00078	86-152	C	S	10	10	10	43	47	22	6	9	7	14	11	16	36	25		l	38.2	42.0	19.8			7.50