*** Primary Characterization Data ***

Pedon ID: 87AK170001

( Matanuska-Susitna Borough, Alaska )

Print Date: Feb 16 2025 6:04AM

Sampled as on Sep 1, 1987:	Nancy ; Medial over sandy or sandy-skeletal, mixed Typic Cryorthod
Revised to correlated:	Nancy ; Medial over sandy or sandy-skeletal, amorphic Andic Haplocryods

				United States Department of Agriculture
SSL	-	Project	CP87AK259   SPODOSOL-ANDISOL	Natural Resources Conservation Service
	-	Site ID	S1987AK170001     MLRA: 170	National Soil Survey Center
	-	Pedon No.	87P0780	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
87P04236	Oe	OE	0-6
87P04237	E	E	6-11				VFSL	SIL
87P04238	Bhs	Bhs	11-14				LVFS	VFSL
87P04239	Bs1	Bs1	14-17				FSL	VFSL
87P04240	Bs2	Bs2	17-28				SIL	SIL
87P04241	Eb	EB	28-34				SIL	SIL
87P04242	Bsb	BsB	34-42				L	SIL
87P04243	2BCb	2BC	42-59				L	COSL
87P04244	2C	2C	59-90				COS	COS

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	2.02	(NA)
Clay, carbonate free, Weighted Average	2	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	64	% wt
Volume, >2mm, Weighted Average	35	% vol
Clay, total, Weighted Average	2	% wt
Weighted averages based on control section: 31-106 cm

*** Primary Characterization Data ***

Pedon ID: 87AK170001

( Matanuska-Susitna Borough, Alaska )

Print Date: Feb 16 2025 6:04AM

Sampled As	:	Nancy		Medial over sandy or sandy-skeletal, mixed Typic Cryorthod
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0780

---

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
87P04236	0-6	Oe	S														--	--	--
87P04237	6-11	E	S	sil	4.8	56.1	39.1			37.6	18.5	20.1	11.8	3.4	2.9	0.9	--	--	--	19	--
87P04238	11-14	Bhs	S	vfsl	5.3	49.9	44.8			32.9	17.0	24.2	16.8	2.6	0.9	0.3	--	--	--	21	--
87P04239	14-17	Bs1	S	vfsl	3.4	49.9	46.7			32.9	17.0	23.4	20.1	2.8	0.4	--	--	--	1	24	1
87P04240	17-28	Bs2	S	sil	4.0	51.5	44.5			33.9	17.6	22.0	17.6	3.7	0.8	0.4	--	--	--	23	--
87P04241	28-34	Eb	S	sil	7.7	71.9	20.4			44.8	27.1	8.9	5.5	3.2	1.6	1.2	1	1	--	13	2
87P04242	34-42	Bsb	S	sil	4.8	62.9	32.3			32.9	30.0	11.8	9.5	6.4	2.7	1.9	2	6	3	30	11
87P04243	42-59	2BCb	S	cosl	3.1	31.7	65.2			16.2	15.5	7.6	11.5	18.7	16.7	10.7	8	25	29	84	62
87P04244	59-90	2C	S	cos	1.7	1.6	96.7			1.1	0.5	2.0	12.7	41.1	30.9	10.0	6	20	49	99	75

*** Primary Characterization Data ***

Pedon ID: 87AK170001

( Matanuska-Susitna Borough, Alaska )

Print Date: Feb 16 2025 6:04AM

Sampled As	:	Nancy		Medial over sandy or sandy-skeletal, mixed Typic Cryorthod
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0780

---

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	4B2b	3D1		4C1		8D1	8D1
87P04236	0-6	Oe	S							54.9		1.043
87P04236	0-6	Oe	M								17.6
87P04237	6-11	E	S	0.75	0.78	0.013			58.3	9.2		1.012		--		4.58	1.92
87P04237	6-11	E	M								102.0
87P04238	11-14	Bhs	S							24.0		1.050				10.21	4.53
87P04238	11-14	Bhs	M								35.5
87P04239	14-17	Bs1	S	0.78	0.83	0.021			40.4	13.5		1.033		0.14		7.29	3.97
87P04239	14-17	Bs1	M								22.4
87P04240	17-28	Bs2	S	0.83	0.89	0.024			41.3	12.0		1.028		0.17		4.43	3.00
87P04240	17-28	Bs2	M								20.5
87P04241	28-34	Eb	S	0.91	0.92	0.004			59.4	8.8		1.015		0.38		1.71	1.14
87P04241	28-34	Eb	M								17.3
87P04242	34-42	Bsb	S	0.81	0.85	0.016			51.9	17.6		1.042		0.17		5.52	3.67
87P04242	34-42	Bsb	M								30.0
87P04243	42-59	2BCb	S	1.00	1.05	0.010			36.0	5.4		1.012		0.17		2.77	1.74
87P04243	42-59	2BCb	M								8.2
87P04244	59-90	2C	S							1.8		1.003				1.76	1.06
87P04244	59-90	2C	M								2.4

---

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

87P04239

14-17

Bs1

S

48

3

87P04243

42-59

2BCb

S

NP

*** Primary Characterization Data ***

Pedon ID: 87AK170001

( Matanuska-Susitna Borough, Alaska )

Print Date: Feb 16 2025 6:04AM

Sampled As	:	Nancy		Medial over sandy or sandy-skeletal, mixed Typic Cryorthod
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0780

---

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 - - - - -)
					6B3a			6A1c		6C2b	6G7a	6D2a		8J	6C9a	6G12	6V2	6D5b	6A4a	6C8a	6G10
87P04236	0-6	Oe	S		0.933			26.35	28	0.7	0.4	tr		0.44	0.51	0.53	0.12	100.0	7.7	0.4	0.5
87P04237	6-11	E	S		0.193			6.91	36	0.4	0.2	--	0.34	0.46	0.34	0.17			3.2	0.4	0.2
87P04238	11-14	Bhs	S		0.353			9.82	28	2.1	2.0	tr	3.08	2.17	1.66	2.25	0.31		8.9	1.6	1.8
87P04239	14-17	Bs1	S		0.192			4.65	24	1.6	1.5	tr	2.98	0.79	1.32	2.32	0.66	100.0	6.2	0.9	1.0
87P04240	17-28	Bs2	S					3.51		1.6	1.1	tr	2.76	0.47	1.15	2.19	0.74		3.5	0.5	0.7
87P04241	28-34	Eb	S					2.22		1.7	0.5	tr	1.47	0.20	0.90	1.02	0.31	100.0	2.5	0.4	0.5
87P04242	34-42	Bsb	S					3.76		2.6	1.5	tr	4.85	0.50	1.68	4.01	1.38	200.0	3.3	0.4	0.9
87P04243	42-59	2BCb	S					1.06		0.6	0.5	tr	1.63	0.15	0.41	1.42	0.52	100.0	2.6	0.1	0.4
87P04244	59-90	2C	S					0.25		0.3	0.1	tr	0.44	0.04	0.13	0.37	0.13	100.0	1.8	0.1	0.2

---

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	6G9b		5A3a	5A8b	5A3b	5G1	5C3	5C1
87P04236	0-6	Oe	S	10.6	3.3	0.4	1.9		70.6	4.2			60.5
87P04237	6-11	E	S	1.4	0.4	0.2	0.3	2.3	25.4	4.5		27.7	22.0	6.8	66	8	10
87P04238	11-14	Bhs	S	2.2	0.3	0.2	0.2	2.9	69.2	7.0		72.1	54.1	9.9	71	4	5
87P04239	14-17	Bs1	S	1.4	0.2	0.2	0.1	1.9	44.2	1.8		46.1	24.8	3.7	49	4	8
87P04240	17-28	Bs2	S	1.0	0.1	0.1	0.1	1.3	34.9	1.0		36.2	17.7	2.3	43	4	7
87P04241	28-34	Eb	S	0.8	0.2	0.1	0.1	1.2	20.6	2.0		21.8	13.2	3.2	63	6	9
87P04242	34-42	Bsb	S	1.0	0.1	0.1	0.1	1.3	47.2	1.0		48.5	26.5	2.3	43	3	5
87P04243	42-59	2BCb	S	0.5	0.1	tr	tr	0.6	15.0	0.6		15.6	8.6	1.2	50	4	7
87P04244	59-90	2C	S	0.3	0.1	tr	tr	0.4	4.6	0.1		5.0	3.0	0.5	20	8	13

*** Primary Characterization Data ***

Pedon ID: 87AK170001

( Matanuska-Susitna Borough, Alaska )

Print Date: Feb 16 2025 6:04AM

Sampled As	:	Nancy		Medial over sandy or sandy-skeletal, mixed Typic Cryorthod
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0780

---

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 - -)

%

87P04237

6-11

E

S

1

87P04238

11-14

Bhs

S

tr

87P04239

14-17

Bs1

S

1

87P04240

17-28

Bs2

S

1

87P04241

28-34

Eb

S

1

87P04242

34-42

Bsb

S

tr

87P04243

42-59

2BCb

S

--

87P04244

59-90

2C

S

--

---

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
				4C1a2a3	4C1a2a	4C1a2a			4C1a1a1
87P04236	0-6	Oe	S	3.4	3.8	4.5			7.5
87P04237	6-11	E	S	3.4	3.7	4.5			7.8
87P04238	11-14	Bhs	S	4.0	4.3	4.9			11.4
87P04239	14-17	Bs1	S	4.4	4.7	5.1			11.5
87P04240	17-28	Bs2	S	4.6	4.8	5.3			11.4
87P04241	28-34	Eb	S	4.3	4.7	5.4			11.0
87P04242	34-42	Bsb	S	4.7	5.0	5.3			11.5
87P04243	42-59	2BCb	S	4.7	5.0	5.5			11.3
87P04244	59-90	2C	S	4.8	5.2	5.6			10.8

*** Primary Characterization Data ***

Pedon ID: 87AK170001

( Matanuska-Susitna Borough, Alaska )

Print Date: Feb 16 2025 6:04AM

Sampled As	:	Nancy		Medial over sandy or sandy-skeletal, mixed Typic Cryorthod
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0780

---

Phosphorus

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

(- - - - - - - - - - - - - - - - - - - - - - - Phosphorus - - - - - - - - - - - - - - - - - - - - -)

KCl

Melanic

NZ

Acid

Anion Exch Resin

Bray

Bray

Olsen

H2O

Citric

Mehlich

Extr

Depth

Index

Oxal

Available

Capacity

1

2

Acid

III

NO3

Layer

(cm)

Horz

Prep

%

(- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -)

6S4

87P04236

0-6

Oe

S

47

87P04237

6-11

E

S

41

87P04238

11-14

Bhs

S

99

87P04239

14-17

Bs1

S

96

87P04240

17-28

Bs2

S

94

87P04241

28-34

Eb

S

76

87P04242

34-42

Bsb

S

97

87P04243

42-59

2BCb

S

65

87P04244

59-90

2C

S

25

*** Primary Characterization Data ***

Pedon ID: 87AK170001

( Matanuska-Susitna Borough, Alaska )

Print Date: Feb 16 2025 6:04AM

Sampled As	:	Nancy		Medial over sandy or sandy-skeletal, mixed Typic Cryorthod
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0780

---

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									7C3								tion
Layer	(cm)	Horz	ion	( - - - - - - - - - peak size - - - - - - - - - - )					(- - - - - - - - - % - - - - - - - - - -)				(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)							mg g-1
87P04238	11.0-14.0	Bhs	tcly	NX 6											5.4
87P04240	17.0-28.0	Bs2	tcly	NX 6											5.1
87P04242	34.0-42.0	Bsb	tcly	NX 6											6.3

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
NX Non-Crystalline

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 87AK170001

( Matanuska-Susitna Borough, Alaska )

Print Date: Feb 16 2025 6:04AM

Sampled As	:	Nancy		Medial over sandy or sandy-skeletal, mixed Typic Cryorthod
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0780

---

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

87P04237

6.0-11.0

E

vfs

GS 55

GC 23

OT 22

87P04238

11.0-14.0

Bhs

vfs

OT 44

GS 34

GC 23

87P04240

17.0-28.0

Bs2

vfs

OT 50

GS 35

GC 15

87P04242

34.0-42.0

Bsb

vfs

OT 96

GS 3

GC 1

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

MINERAL INTERPRETATION:
GC Glass-coated Grain	GS Glass	OT Other