*** Primary Characterization Data ***

Pedon ID: 83CA023005

( Humboldt, California )

Print Date: Apr 26 2024 6:52AM

Sampled as on May 1, 1983:	Lackscreek ; Loamy-skeletal, mixed, isomesic Typic Humitropept
Revised to correlated:	Lackscreek ; Loamy-skeletal, mixed, active, isomesic Typic Haplohumults

				United States Department of Agriculture
SSL	-	Project	RP85CA123   REDWOOD NATIONAL PARK	Natural Resources Conservation Service
	-	Site ID	S1983CA023005   Lat: 41° 13' 28.39" north  Long: 123° 58' 57.13" west  MLRA: 4B	National Soil Survey Center
	-	Pedon No.	85P0453	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
85P02206	A	A2	24-40				CL	CL
85P02207	2BA	2BA	40-56				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
85P02206	24-40	A	S	cl	29.8	36.3	33.9			27.8	8.5	4.4	7.6	7.5	7.5	6.9	12	15	--	49	27
85P02207	40-56	2BA	S	cl	30.0	36.2	33.8			28.3	7.9	4.2	6.7	7.4	7.2	8.3	13	28	2	61	43

---

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

85P02206

24-40

A

S

14.6

1.022

0.49

85P02207

40-56

2BA

S

14.2

1.021

0.47

*** Primary Characterization Data ***

Pedon ID: 83CA023005

( Humboldt, California )

Print Date: Apr 26 2024 6:52AM

Sampled As	:	Lackscreek		Loamy-skeletal, mixed, isomesic Typic Humitropept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0453

---

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

85P02206

24-40

A

S

1.85

2.4

0.5

85P02207

40-56

2BA

S

1.65

2.5

0.5

---

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

85P02206

24-40

A

S

5.0

5.2

85P02207

40-56

2BA

S

5.1

5.2

*** Primary Characterization Data ***

Pedon ID: 83CA023005

( Humboldt, California )

Print Date: Apr 26 2024 6:52AM

Sampled As	:	Lackscreek		Loamy-skeletal, mixed, isomesic Typic Humitropept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0453

---

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

85P02206

24.0-40.0

A

tcly

VR 2

KK 2

MI 2

CL 1

&nbsp;

KK 2

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

7.7

&nbsp;

&nbsp;

2.2

&nbsp;

&nbsp;

&nbsp;

85P02207

40.0-56.0

2BA

tcly

VR 3

KK 3

MI 2

CL 1

&nbsp;

KK 4

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

9.4

&nbsp;

&nbsp;

3.1

&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