*** Primary Characterization Data ***

Pedon ID: 91AK240004

( Southeast Fairbanks Census Area, Alaska )

Print Date: Nov 21 2024 4:15PM

Sampled as on Jun 29, 1991:	Snd ; Coarse-loamy over sandy or sandy-skeletal, mixed Typic Cryochrept
Revised to correlated:	Lupine ; Coarse-loamy over sandy or sandy-skeletal, mixed, superactive Typic Eutrocryepts

				United States Department of Agriculture
SSL	-	Project	CP91AK223   ALASKA DELTA/FAIRBANKS	Natural Resources Conservation Service
	-	Site ID	S1991AK240004   Lat: 64° 1' 5.01" north  Long: 145° 8' 24.00" west  MLRA: 174	National Soil Survey Center
	-	Pedon No.	91P0963	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
91P06037	Oi	OI	0-9
91P06038	AE	AE	9-12				SIL	SIL
91P06039	Bw1	Bw1	12-17				SIL	SIL
91P06040	Bw2	Bw2	17-37				VFSL	SIL
91P06041	BC	BC	37-45				FSL	LFS
91P06042	2C	2C	45-100				S	S

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.95	(NA)
Clay, carbonate free, Weighted Average	2	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	77	% wt
Volume, >2mm, Weighted Average	49	% vol
Clay, total, Weighted Average	2	% wt
Weighted averages based on control section: 34-109 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
91P06037	0-9	Oi	S														--	--	--
91P06038	9-12	AE	S	sil	8.5	66.8	24.7	1.3		22.6	44.2	19.5	4.1	0.6	0.3	0.2	1	tr	--	6	1
91P06039	12-17	Bw1	S	sil	8.4	62.4	29.2	0.3		23.3	39.1	22.5	6.1	0.5	0.1	tr	tr	tr	--	7
91P06040	17-37	Bw2	S	sil	7.7	53.7	38.6	--		19.2	34.5	28.1	9.5	0.7	0.3	--	tr	2	--	12	2
91P06041	37-45	BC	S	lfs	1.6	17.3	81.1	--		4.9	12.4	32.0	35.0	12.7	1.0	0.4	1	5	2	53	8
91P06042	45-100	2C	S	s	2.4	2.0	95.6	0.9		1.2	0.8	10.7	37.9	40.5	4.3	2.2	5	47	26	97	78

*** Primary Characterization Data ***

Pedon ID: 91AK240004

( Southeast Fairbanks Census Area, Alaska )

Print Date: Nov 21 2024 4:15PM

Sampled As	:	Snd		Coarse-loamy over sandy or sandy-skeletal, mixed Typic Cryochrept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0963

---

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	4B1c	3C2a1a	4B2b	3D1		4C1		8D1	8D1
91P06037	0-9	Oi	S	0.35	0.35			46.4	50.8	27.9		1.053
91P06037	0-9	Oi	M								61.3
91P06038	9-12	AE	S	0.69	0.73	0.019		52.7	43.6	11.7		1.022		0.20		3.11	1.38
91P06038	9-12	AE	M								14.2
91P06039	12-17	Bw1	S	1.08	1.08	--		39.9	30.4	7.0		1.016		0.22		1.69	0.83
91P06039	12-17	Bw1	M								9.9
91P06040	17-37	Bw2	S	1.22	1.22	--		28.1	18.7	5.1		1.011		0.15		1.13	0.66
91P06040	17-37	Bw2	M								6.3
91P06041	37-45	BC	S							2.1		1.006				2.44	1.31
91P06041	37-45	BC	M								3.0
91P06042	45-100	2C	S							1.4		1.003				0.88	0.58
91P06042	45-100	2C	M								1.7

---

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 - - - - - - - - - - - - - - - - - - - - - -)

4F

3C1e1a

91P06037

0-9

Oi

S

22.4

91P06038

9-12

AE

S

17.9

91P06039

12-17

Bw1

S

NP

13.5

91P06040

17-37

Bw2

S

NP

9.2

91P06041

37-45

BC

S

3.1

91P06042

45-100

2C

S

1.6

*** Primary Characterization Data ***

Pedon ID: 91AK240004

( Southeast Fairbanks Census Area, Alaska )

Print Date: Nov 21 2024 4:15PM

Sampled As	:	Snd		Coarse-loamy over sandy or sandy-skeletal, mixed Typic Cryochrept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0963

---

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		6R3b		6A1c		6C2b	6G7a	6D2a		8J	6C9b	6G12b	6V2b	6D5b		6C8a	6G10
91P06037	0-9	Oi	S	8.18		0.04		9.20		1.3	0.2	tr		0.24	0.73	0.22	0.06	121.5		0.7	0.1
91P06038	9-12	AE	S	5.88		0.02		5.68		1.6	0.3	tr	0.87	0.33	1.06	0.33	0.07	174.3		0.8	0.3
91P06039	12-17	Bw1	S	2.11				2.08		1.9	0.3	--	0.99	0.15	1.14	0.42	0.11	76.7		0.5	0.3
91P06040	17-37	Bw2	S	0.64				0.63		1.7	0.2	tr	0.78	0.06	0.92	0.32	0.14	150.1		0.1	0.2
91P06041	37-45	BC	S	0.24				0.23		1.0	0.1	tr	0.67	0.05	0.79	0.27	0.14	159.8		0.1	0.1
91P06042	45-100	2C	S	0.13				0.11		0.6	tr	tr	0.38	0.05	0.52	0.12	0.08	206.9		tr	0.1

---

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	6G9c	6D3b	5A3a	5A8b	5A3b	5G1	5C3	5C1
91P06037	0-9	Oi	S	12.0	1.9	0.1	0.2		30.4	1.3	3.5		32.6
91P06038	9-12	AE	S	10.2	1.6	0.2	0.1	12.1	22.2	0.8	1.2	34.3	26.4	12.9	6	35	46
91P06039	12-17	Bw1	S	4.0	0.9	0.2	tr	5.1	14.9	1.2	0.1	20.0	14.2	6.3	19	26	36
91P06040	17-37	Bw2	S	2.4	1.0	0.4	--	3.8	8.0	0.4	0.1	11.8	8.7	4.2	10	32	44
91P06041	37-45	BC	S	1.3	0.4	0.3	tr	2.0	5.0	0.1	tr	7.0	3.9	2.1	5	29	51
91P06042	45-100	2C	S	1.1	0.3	0.2	tr	1.6	2.0			3.6	2.1			44	76

---

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 - -)

%

91P06038

9-12

AE

S

1

91P06039

12-17

Bw1

S

1

91P06040

17-37

Bw2

S

5

91P06041

37-45

BC

S

8

91P06042

45-100

2C

S

10

*** Primary Characterization Data ***

Pedon ID: 91AK240004

( Southeast Fairbanks Census Area, Alaska )

Print Date: Nov 21 2024 4:15PM

Sampled As	:	Snd		Coarse-loamy over sandy or sandy-skeletal, mixed Typic Cryochrept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0963

---

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
91P06037	0-9	Oi	S	3.8	4.2	4.8			7.8
91P06038	9-12	AE	S	4.2	4.6	5.2			8.8
91P06039	12-17	Bw1	S	4.2	4.7	5.3			9.7
91P06040	17-37	Bw2	S	4.0	4.6	5.4			9.6
91P06041	37-45	BC	S	4.5	4.9	5.6			9.7
91P06042	45-100	2C	S	4.6	5.1	5.8			9.0

---

Organic

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

Mineral

OM

OM+

(- Total -)

Fiber Content

NaPyro

Decomp

Limnic

(- - pH - -)

(- - Bulk Density - -)

Proj

Depth

Content

TC*1.724

Min

C

N

C/N

Unrub

Rub

Color

State

Matter

CaCl2

H2O

33 kPa

33 kPa rewet

OD

Subs

Layer

(cm)

Horz

Prep

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

ratio

% (by vol)

g cm-3

cm cm-1

5A

6A2d

4C1a2a

91P06037

0-9

Oi

S

35

8.18

4.8

91P06038

9-12

AE

S

5.88

5.2

91P06039

12-17

Bw1

S

2.11

5.3

91P06040

17-37

Bw2

S

0.64

5.4

91P06041

37-45

BC

S

0.24

5.6

91P06042

45-100

2C

S

0.13

5.8

---

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

6S3

91P06037

0-9

Oi

S

44

--

91P06038

9-12

AE

S

46

--

91P06039

12-17

Bw1

S

46

5.0

91P06040

17-37

Bw2

S

35

91P06041

37-45

BC

S

20

91P06042

45-100

2C

S

10

*** Primary Characterization Data ***

Pedon ID: 91AK240004

( Southeast Fairbanks Census Area, Alaska )

Print Date: Nov 21 2024 4:15PM

Sampled As	:	Snd		Coarse-loamy over sandy or sandy-skeletal, mixed Typic Cryochrept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0963

---

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

91P06038

9.0-12.0

AE

tcly

KK 1

MT 1

CL 1

7

3.6

5.0

91P06040

17.0-37.0

Bw2

tcly

KK 2

VR 1

MI 1

MT 1

CL 1

6

8.9

3.5

QZ 1

CR 1

91P06042

45.0-100.0

2C

tcly

KK 3

MI 3

MT 1

CL 1

QZ 1

3

1.9

3.0

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CL Chlorite	CR Cristobalite	KK Kaolinite	MI Mica	MT Montmorillonite
QZ Quartz	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: 91AK240004

( Southeast Fairbanks Census Area, Alaska )

Print Date: Nov 21 2024 4:15PM

Sampled As	:	Snd		Coarse-loamy over sandy or sandy-skeletal, mixed Typic Cryochrept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0963

---

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

91P06040

17.0-37.0

Bw2

csi

33

MS 35

QZ 30

OW 10

FP 8

AM 6

BT 4

GS 2

OP 2

PO 1

CL 1

HN 1

TM tr

GN tr

EP tr

PR tr

ZR tr

91P06041

37.0-45.0

BC

fs

46

QZ 46

OW 31

MS 10

BT 3

CL 3

EP 2

FP 2

PR 1

HN 1

AM 1

OP tr

GC tr

GN tr

91P06042

45.0-100.0

2C

fs

47

QZ 46

OW 31

MS 8

BT 4

CL 3

PR 3

FP 2

MI 1

EP 1

TM 1

AM tr

GN tr

RA tr

OP tr

GS tr

FRACTION INTERPRETATION:
csi - Coarse Silt 0.02-0.05 mm	fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
AM Amphibole	BT Biotite	CL Chlorite	EP Epidote	FP Plagioclase Feldspar
GC Glass Coated Grain	GN Garnet	GS Glass	HN Hornblende	MI Mica
MS Muscovite	OP Opaques	OW Other Weatherable Minerals	PO Plant Opal	PR Pyroxene
QZ Quartz	RA Resistant Aggregates	TM Tourmaline	ZR Zircon