*** Primary Characterization Data ***

Pedon ID: 76SD063043

( Harding, South Dakota )

Print Date: Dec 9 2025 5:09PM

Sampled as :	Absher
Revised to correlated on May 1, 1977:	Bullock ; Fine-loamy, mixed, superactive, frigid Borollic Natrargid

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	76SD063043   Lat: 45° 49' 9.00" north  Long: 104° 1' 3.00" west  MLRA: 58D	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A2538	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
40A19888	E	A2	0-10
40A19889	Bt	B21t	10-23	77P0758				L
40A19890	Bty	B22t Cs	23-33	77P0759				SCL
40A19891	By1	B31Cs	33-48	77P0760				SCL
40A19892	By2	B32Cs	48-61	77P0761				SCL
40A19893	C	C 1	61-91
40A19894	Cr1	C 2R	91-119
40A19895	Cr2	C 3R	119-152

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.79	(NA)
Clay, carbonate free, Weighted Average	22	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	16	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	22	% wt
Weighted averages based on control section: 10-33 cm

---

PSDA  &  Rock Fragments				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-
					(- - - - - Total - - - - - -)			(- - Clay - - -)		(- - - - Silt - - - - -)		(- - - - - - - - - - - - Sand - - - - - - - - - - - -)					( Rock Fragments   (mm) )
				Lab	Clay	Silt	Sand	Fine	CO3	Fine	Coarse	VF	F	M	C	VC	(- - - - - - - - Weight - - - - - - - -)				>2 mm
				Text-	<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1	2	5	20	.1-	wt %
	Depth			ure	.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2	-5	-20	-75	75	whole
Layer	(cm)	Horz	Prep		(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)												(- - - - - - - % of <75mm - - - - - -)				soil
				3A1a1a	3A1a1a	3A1a1a	3A1a1a			3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
40A19888	0-10	E	S														--	--	--
40A19889	10-23	Bt	S	l	18.1	38.8	43.1			16.9	21.9	29.1	12.2	0.6	0.5	0.7	1	--	--	15	1
40A19890	23-33	Bty	S	scl	26.2	24.5	49.3			8.0	16.5	32.7	15.0	0.2	0.3	1.1	1	--	--	17	1
40A19891	33-48	By1	S	scl	22.3	24.2	53.5			11.5	12.7	34.7	18.0	0.3	0.3	0.2	--	--	--	19	--
40A19892	48-61	By2	S	scl	20.6	22.9	56.5			9.5	13.4	43.2	13.2	0.1	tr	--	--	--	--	13	--
40A19893	61-91	C	S														--	--	--
40A19894	91-119	Cr1	S														--	--	--
40A19895	119-152	Cr2	S														--	--	--

*** Primary Characterization Data ***

Pedon ID: 76SD063043

( Harding, South Dakota )

Print Date: Dec 9 2025 5:09PM

Sampled As	:	Absher
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A2538

---

Bulk Density  &  Moisture				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(Bulk Density)		Cole	(- - - - - - - - - - - Water Content - - - - - - - - - - -)					( Air Dry-Oven Dry )		WRD	Aggst
				33	Oven	Whole	6	10	33	1500	1500 kPa	(- - - - Ratio - - - -)		Whole	Stabl	(- - Ratio/Clay - -)
	Depth			kPa	Dry	Soil	kPa	kPa	kPa	kPa	Moist		Corrected	Soil	2-0.5mm	CEC7	1500 kPa
Layer	(cm)	Horz	Prep	(- - - g cm-3 - - -)			(- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -)							cm3 cm-3	%
										3C2a1a
40A19889	10-23	Bt	S							8.7						0.76	0.48
40A19890	23-33	Bty	S							13.1						0.84	0.50
40A19891	33-48	By1	S							13.6							0.61
40A19892	48-61	By2	S							13.4							0.65

---

CEC  &  Bases

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

(- - - - - - NH4OAC Extractable Bases - - - - -)

CEC8

CEC7

ECEC

(- - - - Base - - - -)

Sum

Acid-

Extr

KCl

Sum

NH4

Bases

Al

(- Saturation -)

Depth

Ca

Mg

Na

K

Bases

ity

Al

Mn

Cats

OAC

+Al

Sat

Sum

NH4OAC

Layer

(cm)

Horz

Prep

(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)

mg kg-1

(- - - - cmol(+) kg-1 - - -)

(- - - - - - - - % - - - - - - - -)

6N2e

6O2b

6P2a

6Q2a

6H1a

5A6a

40A19889

10-23

Bt

S

4.4*

3.2

6.3

0.2

0.8

13.8

95

100

40A19890

23-33

Bty

S

8.8

11.8

0.4

--

21.9

100

^*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.

---

Salt				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-	-20-
				(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)																	1:2
																			Total	Elec	Elec	Exch
	Depth			Ca	Mg	Na	K	CO3	HCO3	F	Cl	PO4	Br	OAC	SO4	NO2	NO3	H2O	Salts	Cond	Cond	Na	SAR
Layer	(cm)	Horz	Prep	(- - - - - mmol(+) L-1 - - - - -)				(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)										(- - - - % - - - -)		(- - dS m-1 - -)		%
				6N1b	6O1b	6P1a	6Q1a											8A	8D5	8A1a
40A19889	10-23	Bt	S	2.1	1.5	42.5	tr											33.3	0.1	3.51		35	32
40A19890	23-33	Bty	S	8.8	8.5	84.8	0.3											57.7	0.3	7.08		32	29
40A19891	33-48	By1	S	4.0	4.4	59.8	0.2											73.1	0.3	5.16			29
40A19892	48-61	By2	S	1.4	1.7	38.0	0.2											99.0	0.2	3.51			31

*** Primary Characterization Data ***

Pedon ID: 76SD063043

( Harding, South Dakota )

Print Date: Dec 9 2025 5:09PM

Sampled As	:	Absher
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A2538

---

pH  &  Carbonates				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-
				(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)						(- - Carbonate - -)		(- - Gypsum - - -)
					CaCl2					As CaCO3		As CaSO4*2H2O		Resist
	Depth				0.01M	H2O	Sat			<2mm	<20mm	<2mm	<20mm	ohms
Layer	(cm)	Horz	Prep	KCl	1:2	1:1	Paste	Oxid	NaF	(- - - - - - - - - - - - % - - - - - - - - - - -)				cm-1
					8C1e	8C1a	8C1b			6E1a
40A19889	10-23	Bt	S		7.8	8.6	8.0			--
40A19890	23-33	Bty	S		8.4	8.5	8.1			4
40A19891	33-48	By1	S		8.3	8.5	8.3			10
40A19892	48-61	By2	S		8.5	8.7	8.5			13