*** Primary Characterization Data ***

Pedon ID: 83CA023006

( Humboldt, California )

Print Date: Apr 26 2024 5:09PM

Sampled as on Jun 1, 1983:	Slidecreek ; Loamy-skeletal, mixed, isomesic Humitropept
Revised to correlated:	Coppercreek ; Fine-loamy, mixed, active, isomesic Typic Haplohumults

				United States Department of Agriculture
SSL	-	Project	RP85CA123   REDWOOD NATIONAL PARK	Natural Resources Conservation Service
	-	Site ID	S1983CA023006   Lat: 41° 9' 58.40" north  Long: 123° 56' 12.12" west  MLRA: 4B	National Soil Survey Center
	-	Pedon No.	85P0454	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
85P02208	AB	AB	26-41				CL	SICL
85P02209	BA	BA	41-75				CL	CL
85P02210	Bt	Bt1	75-100				CL	CL

---

---

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
85P02208	26-41	AB	S	sicl	29.2	51.4	19.4			38.6	12.8	2.6	2.8	3.9	5.3	4.8	14	17	--	43	31
85P02209	41-75	BA	S	cl	27.4	43.0	29.6			31.1	11.9	3.7	4.6	5.4	7.8	8.1	15	24	--	55	39
85P02210	75-100	Bt	S	cl	27.9	45.7	26.4			31.1	14.6	3.0	3.1	5.1	8.1	7.1	16	15	--	47	31

---

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		3D1					8D1
85P02208	26-41	AB	S							13.9		1.021					0.48
85P02209	41-75	BA	S							12.1		1.015					0.44
85P02210	75-100	Bt	S							10.9		1.013					0.39

*** Primary Characterization Data ***

Pedon ID: 83CA023006

( Humboldt, California )

Print Date: Apr 26 2024 5:09PM

Sampled As	:	Slidecreek		Loamy-skeletal, mixed, isomesic Humitropept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0454

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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 - - - - -)

6A1c

6C2b

6G7a

85P02208

26-41

AB

S

1.32

1.5

0.5

85P02209

41-75

BA

S

0.49

1.3

0.4

85P02210

75-100

Bt

S

0.28

1.0

0.2

---

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

85P02208

26-41

AB

S

4.9

5.0

85P02209

41-75

BA

S

4.9

5.0

85P02210

75-100

Bt

S

4.8

5.1

*** Primary Characterization Data ***

Pedon ID: 83CA023006

( Humboldt, California )

Print Date: Apr 26 2024 5:09PM

Sampled As	:	Slidecreek		Loamy-skeletal, mixed, isomesic Humitropept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0454

---

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

&nbsp;

&nbsp;

7C3

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

85P02208

26.0-41.0

AB

tcly

VR 3

KK 3

MI 2

CL 2

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

7.4

&nbsp;

&nbsp;

1.9

&nbsp;

&nbsp;

&nbsp;

85P02209

41.0-75.0

BA

tcly

KK 4

VR 4

MI 3

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

6.6

&nbsp;

&nbsp;

2.7

&nbsp;

&nbsp;

&nbsp;

85P02210

75.0-100.0

Bt

tcly

KK 5

MI 4

VR 2

CL 2

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

6.6

&nbsp;

&nbsp;

3.5

&nbsp;

&nbsp;

&nbsp;

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

MINERAL INTERPRETATION:
CL Chlorite	KK Kaolinite	MI Mica	VR Vermiculite	 

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks