*** Primary Characterization Data ***

Pedon ID: S1985MD031010

( Montgomery, Maryland )

Print Date: Apr 25 2024 6:54AM

Sampled as on Oct 30, 1985:	Hyattstown
Revised to correlated on Jul 8, 2014:	Hyattstown ; Loamy-skeletal, mixed, subactive, mesic, shallow Typic Hapludalfs

				United States Department of Agriculture
SSL	-	Project	CP86MD144   MONTGOMERY COUNTY	Natural Resources Conservation Service
	-	Site ID	S1985MD031010   Lat: 39° 15' 25.72" north  Long: 77° 21' 7.57" west  MLRA: 148	National Soil Survey Center
	-	Pedon No.	86P0383	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
86P02271	Ap	Ap	0-23				SIL	L
86P02272	Bt	Bt	23-36				SIL	CL
86P02273	BC	BC	36-46				SIL	CL
86P02274	Cr	CR	46-66				SIL	CL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.2	(NA)
Clay, carbonate free, Weighted Average	32	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	76	% wt
Volume, >2mm, Weighted Average	46	% vol
Clay, total, Weighted Average	32	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 23-36 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	3A1a1a	3B1	3B1	3B1
86P02271	0-23	Ap	S	l	26.0	37.9	36.1	5.5		32.5	5.4	4.2	5.7	6.4	8.6	11.2	12	20	5	57	37
86P02272	23-36	Bt	S	cl	32.2	26.8	41.0	7.4		23.2	3.6	5.2	6.7	7.4	10.1	11.6	12	30	19	76	61
86P02273	36-46	BC	S	cl	32.2	25.1	42.7	7.9		21.8	3.3	5.3	7.6	7.8	9.9	12.1	12	30	6	67	48
86P02274	46-66	Cr	S	cl	31.2	27.5	41.3			23.4	4.1	5.6	7.1	7.6	9.9	11.1	8	29	19	72	56

*** Primary Characterization Data ***

Pedon ID: S1985MD031010

( Montgomery, Maryland )

Print Date: Apr 25 2024 6:54AM

Sampled As	:	Hyattstown
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  86P0383

---

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
86P02271	0-23	Ap	S	1.17	1.27	0.022			32.7	11.0		1.010		0.20		0.36	0.42
86P02272	23-36	Bt	S	1.43	1.51	0.010			29.9	13.2		1.008		0.13		0.20	0.41
86P02273	36-46	BC	S	1.48	1.61	0.019			27.8	13.5		1.010		0.14		0.20	0.42
86P02274	46-66	Cr	S	1.38	1.51	0.018			29.4	13.5		1.009		0.13		0.20	0.43

---

Water Content				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-
				(- - Atterberg - -)		(- - - - - Bulk Density - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)
				(- - - Limits - - -)		Field	Recon	Recon	Field	Recon	(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)
				LL	PI		33	Oven		33	6	10	33	100	200	500
	Depth						kPa	Dry		kPa	kPa	kPa	kPa	kPa	kPa	kPa
Layer	(cm)	Horz	Prep	pct <0.4mm		(- - - - - - - - g cm-3 - - - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)
				4F1	4F
86P02272	23-36	Bt	S	46	20
86P02274	46-66	Cr	S	49	24

---

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 - - - - -)
				6A2d				6A1c		6C2b	6G7a
86P02271	0-23	Ap	S	1.26				1.34		3.0	0.3
86P02272	23-36	Bt	S	0.27				0.32		3.3	0.3
86P02273	36-46	BC	S	0.27				0.29		3.4	0.3
86P02274	46-66	Cr	S	0.10				0.11		3.3	0.3

*** Primary Characterization Data ***

Pedon ID: S1985MD031010

( Montgomery, Maryland )

Print Date: Apr 25 2024 6:54AM

Sampled As	:	Hyattstown
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  86P0383

---

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		6H5a			5A3a	5A8b			5C3	5C1
86P02271	0-23	Ap	S	7.4	0.6	0.1	0.1	8.2	5.0			13.2	9.4			62	87
86P02272	23-36	Bt	S	4.5	0.5	0.1	0.1	5.2	2.8			8.0	6.3			65	83
86P02273	36-46	BC	S	4.4	0.8	0.1	0.1	5.4	2.6			8.0	6.6			68	82
86P02274	46-66	Cr	S	2.8	1.2	0.1	0.1	4.2	5.5			9.7	6.1			43	69

---

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 - -)

%

86P02271

0-23

Ap

S

1

86P02272

23-36

Bt

S

2

86P02273

36-46

BC

S

2

86P02274

46-66

Cr

S

2

---

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

4C1a2a

4C1a2a

86P02271

0-23

Ap

S

5.6

5.9

86P02272

23-36

Bt

S

6.0

6.5

86P02273

36-46

BC

S

5.9

6.4

86P02274

46-66

Cr

S

5.5

5.9

*** Primary Characterization Data ***

Pedon ID: S1985MD031010

( Montgomery, Maryland )

Print Date: Apr 25 2024 6:54AM

Sampled As	:	Hyattstown
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  86P0383

---

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

7A4a

7A4b

7C3

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

86P02272

23.0-36.0

Bt

tcly

MI 5

KK 3

GI 3

VR 2

GE 2

KK 4

GI tr

KK 10

&nbsp;

&nbsp;

&nbsp;

9.6

&nbsp;

&nbsp;

2.8

&nbsp;

&nbsp;

&nbsp;

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

MINERAL INTERPRETATION:
GE Goethite	GI Gibbsite	KK Kaolinite	MI Mica	VR Vermiculite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: S1985MD031010

( Montgomery, Maryland )

Print Date: Apr 25 2024 6:54AM

Sampled As	:	Hyattstown
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  86P0383

---

Sand - Silt Mineralogy (2.0-0.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Optical

EGME

Inter

Tot Re

Grain Count

Retn

preta

Depth

Fract

 

 

 

7B1a2

 

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

86P02272

23.0-36.0

Bt

vfs

 

 

 

 

 

 

 

 

 

4

SR 81

BT 9

FP 4

OP 2

QZ 1

RA 1

 

 

 

 

 

 

 

 

 

 

 

MS 1

FK tr

 

 

 

 

 

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm	 	 	 	 

MINERAL INTERPRETATION:
BT Biotite	FK Potassium Feldspar	FP Plagioclase Feldspar	MS Muscovite	OP Opaques
QZ Quartz	RA Resistant Aggregates	SR Sericite	 	 

*** Primary Characterization Data ***

Pedon ID: S1985MD031010

( Montgomery, Maryland )

Print Date: Apr 25 2024 6:54AM

Sampled As	:	Hyattstown
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  86P0383

---

Fine Earth Mineralogy (<2.0 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

&nbsp;

7A4a

7A4b

7C3

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

86P02272

23.0-36.0

Bt

feth

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

KK 3

&nbsp;

KK 3

&nbsp;

&nbsp;

&nbsp;

8.6

&nbsp;

&nbsp;

3.4

&nbsp;

&nbsp;

&nbsp;

86P02274

46.0-66.0

Cr

feth

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

KK 5

GI tr

&nbsp;

&nbsp;

&nbsp;

&nbsp;

8.1

&nbsp;

&nbsp;

3.6

&nbsp;

&nbsp;

&nbsp;

FRACTION INTERPRETATION:
feth - Fine Earth <2 mm	&nbsp;	&nbsp;	&nbsp;	&nbsp;

MINERAL INTERPRETATION:
GI Gibbsite	KK Kaolinite