*** Primary Characterization Data ***

Pedon ID: 88CO039005

( Elbert, Colorado )

Print Date: Mar 13 2025 4:35PM

Sampled as on May 30, 1988:	Heldt ; Fine, montmorillonitic Ustertic Camborthids
Revised to :

				United States Department of Agriculture
SSL	-	Project	RP88CO197   FSA WELD COUNTY	Natural Resources Conservation Service
	-	Site ID	S1988CO039005	National Soil Survey Center
	-	Pedon No.	88P0770	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
88P04056	A	A1	0-18				C	L
88P04057	Bw	Bw	28-64				C	SICL

---

---

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
88P04056	0-18	A	S	l	26.9	46.4	26.7			20.1	26.3	22.6	2.3	1.0	0.6	0.2	tr	--	--	4	tr
88P04057	28-64	Bw	S	sicl	28.8	53.0	18.2			22.6	30.4	16.3	1.2	0.4	0.2	0.1	tr	--	--	2	--

---

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	8D1
88P04056	0-18	A	S							11.3		1.023				0.79	0.42
88P04057	28-64	Bw	S							12.2		1.023				0.67	0.42

*** Primary Characterization Data ***

Pedon ID: 88CO039005

( Elbert, Colorado )

Print Date: Mar 13 2025 4:35PM

Sampled As	:	Heldt		Fine, montmorillonitic Ustertic Camborthids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  88P0770

---

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

88P04056

0-18

A

S

0.196

1.90

10

88P04057

28-64

Bw

S

0.115

0.96

8

---

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

5A8b

5C3

5C1

88P04056

0-18

A

S

13.0*

5.6

0.1

4.2

1.8

21.2

93

100

88P04057

28-64

Bw

S

29.4*

5.5

0.1

5.4

19.2

100

100

^*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.

---

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 - -)		%
				6N1b	6O1b	6P1b	6Q1b	6I1b	6J1b	6U1a	6K1c				6L1c	6W1a	6M1c	8A	8D5	8A3a	4F1a1a1		5E
88P04056	0-18	A	S	3.5	2.1	0.7	3.3	--	7.5	0.1	0.3				1.4	--	--	54.3	tr	0.90	0.33	tr	tr
88P04057	28-64	Bw	S	1.9	1.0	0.7	4.1	--	6.0	0.1	0.4				1.5	--	tr	55.2	tr	0.80	0.41	1	1

---

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

8C1b

6E1g

88P04056

0-18

A

S

7.3

7.8

6.9

--

88P04057

28-64

Bw

S

7.9

8.5

7.4

2