*** Primary Characterization Data ***

Pedon ID: 78SD053011

( Gregory, South Dakota )

Print Date: Apr 26 2024 9:55AM

Sampled as on Jun 1, 1978:	Labu ; Fine, montmorillonitic, mesic Vertic Ustochrept
Revised to correlated:	Labu ; Very-fine, smectitic, mesic Vertic Ustochrepts

				United States Department of Agriculture
SSL	-	Project	CP78SD136   GREGORY COUNTY	Natural Resources Conservation Service
	-	Site ID	S1978SD053011   Lat: 43° 24' 57.00" north  Long: 99° 18' 55.00" west  MLRA: 63B	National Soil Survey Center
	-	Pedon No.	78P0364	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
78P01984	A	A1	0-10				C	C
78P01985	B	B21	10-30				C	C
78P01986	Bk	B22ca	30-61				C	C
78P01987	C1	C1	61-69				C	C
78P01988	C2	C2	69-94				C	C
78P01989	Cr	CR	94-127					C

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.87	(NA)
Clay, carbonate free, Weighted Average	61	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	82	% wt
Volume, >2mm, Weighted Average	68	% vol
Clay, total, Weighted Average	61	% wt
Weighted averages based on control section: 25-94 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
78P01984	0-10	A	S	c	60.8	34.7	4.5			32.4	2.3	1.1	1.2	0.5	0.9	0.8	tr	tr	--	3	tr
78P01985	10-30	B	S	c	59.0	35.3	5.7			33.4	1.9	1.4	1.7	0.7	1.1	0.8	28	34	--	64	62
78P01986	30-61	Bk	S	c	62.3	31.1	6.6			30.1	1.0	1.4	2.0	0.8	1.1	1.3	30	57	--	88	87
78P01987	61-69	C1	S	c	56.1	35.2	8.7			33.9	1.3	1.6	2.2	1.5	1.9	1.5	18	63	--	82	81
78P01988	69-94	C2	S	c	62.3	34.4	3.3			34.4	--	0.8	0.9	0.4	0.6	0.6	18	60	--	79	78
78P01989	94-127	Cr	S	c	60.8	35.9	3.3			35.4	0.5	1.2	0.8	0.2	0.4	0.7	5	tr	--	7	5

*** Primary Characterization Data ***

Pedon ID: 78SD053011

( Gregory, South Dakota )

Print Date: Apr 26 2024 9:55AM

Sampled As	:	Labu		Fine, montmorillonitic, mesic Vertic Ustochrept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0364

---

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	%
				4A1d	4A1h				4B1c	3C2a1a		3D1		4C1		8D1	8D1
78P01984	0-10	A	S	1.18	1.42	0.063			24.5	27.9		1.080		--		0.79	0.46
78P01985	10-30	B	S							26.9		1.078				0.75	0.46
78P01986	30-61	Bk	S	1.11	1.74	0.035			46.2	28.8		1.083		0.05		0.84	0.46
78P01987	61-69	C1	S							37.4		1.127				1.52	0.67
78P01988	69-94	C2	S							25.8		1.072				0.72	0.42
78P01989	94-127	Cr	S							25.9		1.067				0.67	0.43

---

Carbon  &  Extractions

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

-19-

(- - - - - Total - - - - -)

Est

OC

C/N

(- - - Dith-Cit Ext - - -)

(- - - - - - Ammonium Oxalate Extraction - - - - - -)

(- - - Na Pyro-Phosphate - - -)

Depth

C

N

S

OC

(WB)

Ratio

Fe

Al

Mn

Al+½Fe

ODOE

Fe

Al

Si

Mn

C

Fe

Al

Mn

Layer

(cm)

Horz

Prep

(- - - - - - - - - - % of <2 mm - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)

mg kg-1

(- - - - - - % of < 2mm - - - - -)

6B1b

6A1c

78P01984

0-10

A

S

0.215

1.86

9

78P01985

10-30

B

S

0.101

0.79

8

78P01986

30-61

Bk

S

0.070

0.40

6

78P01987

61-69

C1

S

0.37

78P01988

69-94

C2

S

0.21

78P01989

94-127

Cr

S

0.13

---

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	6O2d	6P2b	6Q2b						5A8a			5C3	5C1
78P01984	0-10	A	S	47.8*	8.5	--	1.6						48.2			100	100
78P01985	10-30	B	S	58.0*	11.0	tr	1.3						44.1			100	100
78P01986	30-61	Bk	S	51.9*	19.8	0.2	1.6						52.6			100	100
78P01987	61-69	C1	S	69.5*	35.3	0.4	1.3						85.2			100	100
78P01988	69-94	C2	S	36.0*	20.9	0.5	1.9						44.7			100	100
78P01989	94-127	Cr	S	54.2*	17.8	0.8	2.0						40.5			100	100

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

*** Primary Characterization Data ***

Pedon ID: 78SD053011

( Gregory, South Dakota )

Print Date: Apr 26 2024 9:55AM

Sampled As	:	Labu		Fine, montmorillonitic, mesic Vertic Ustochrept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0364

---

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	6P1b	6Q1b		6J1b		6K1c				6L1c			8A	8D5	8A1a			5E
78P01984	0-10	A	S	5.5	1.4	0.1	0.5		6.6		0.3				1.0			101.5	tr	0.72		--	tr
78P01985	10-30	B	S	3.8	1.4	0.1	0.4		5.1		0.2				0.4			87.4	tr	0.55		--	tr
78P01986	30-61	Bk	S	2.9	1.9	0.4	0.5		4.8		0.2				0.4			88.0	tr	0.54		tr	tr
78P01987	61-69	C1	S	2.7	2.2	0.7	0.5		4.7		0.2				0.7			112.1	tr	0.60		tr	tr
78P01988	69-94	C2	S	2.1	1.9	1.1	0.5		4.1		0.1				0.8			90.8	tr	0.58		1	1
78P01989	94-127	Cr	S	1.2	1.0	1.3	0.4		2.0		0.2				1.5			103.6	tr	0.43		2	1

---

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			6E1b		6F1c		8E1
78P01984	0-10	A	S		7.5	7.9	7.5			tr		--
78P01985	10-30	B	S		7.8	8.2	7.6			2		--
78P01986	30-61	Bk	S		7.8	8.2	7.6			2		--
78P01987	61-69	C1	S		7.8	8.0	7.4			1		--
78P01988	69-94	C2	S		7.8	8.1	7.8			1		--
78P01989	94-127	Cr	S		8.0	8.3	7.8			5		--		1500

---

Miscellaneous Data

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

(- Sat Paste Ex. -)

(- Sand -)

( Water Content )

Bulk

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

(- - - CEC8 - - -)

CO3+

(- - - pH - - -)

M+C+VC

Moist Sieved

Density

Depth

Ca

Mg

Na

K

NaOAC

BaCl2

Ca+Mg

HCO3

CaCl2

H2O

.25-2

100 kPa

200 kPa

10 kPa

Layer

(cm)

Horz

Prep

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

mmol(+)L-1

mmol(-)L-1

1:10

1:10

(- - - - - % of <2mm - - - - -)

g cm-3

NK

78P01984

0-10

A

S

8.2

78P01985

10-30

B

S

8.6

78P01986

30-61

Bk

S

8.7

78P01987

61-69

C1

S

8.7

78P01988

69-94

C2

S

8.8

78P01989

94-127

Cr

S

8.9

*** Primary Characterization Data ***

Pedon ID: 78SD053011

( Gregory, South Dakota )

Print Date: Apr 26 2024 9:55AM

Sampled As	:	Labu		Fine, montmorillonitic, mesic Vertic Ustochrept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0364

---

Clay Mineralogy (<.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Elemental

EGME

Inter

SiO2

Al2O3

Fe2O3

MgO

CaO

K2O

Na2O

Retn

preta

Depth

Fract

7A2i

7A3b

&nbsp;

7C3

&nbsp;

tion

Layer

(cm)

Horz

ion

( - - - - - - - - - peak size - - - - - - - - - - )

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

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

mg g-1

78P01987

61.0-69.0

C1

tcly

MT 5

VR 1

MI 1

&nbsp;

&nbsp;

KK tr

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

7.9

&nbsp;

&nbsp;

1.0

&nbsp;

&nbsp;

&nbsp;

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm	&nbsp;	&nbsp;	&nbsp;	&nbsp;

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MT Montmorillonite	VR Vermiculite	 

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks