*** Primary Characterization Data ***

Pedon ID: 81CO085001

( Montrose, Colorado )

Print Date: Apr 28 2025 11:43AM

Sampled as on Aug 1, 1981:	Mesa ; Fine-loamy, mixed, mesic Typic Haplargid
Revised to correlated:	Mesa ; Fine-loamy, mixed, superactive, mesic Typic Haplargids

				United States Department of Agriculture
SSL	-	Project	CP81CO263   GARFIELD AND MESA COUNTIES	Natural Resources Conservation Service
	-	Site ID	S1981CO085001   Lat: 38° 29' 43.00" north  Long: 107° 59' 38.00" west	National Soil Survey Center
	-	Pedon No.	81P0622	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
81P03681	Ap	Ap	0-13				CL	CL
81P03682	Bt	B21t	13-25				CL	CL
81P03683	Btk	B22tca	25-38				CL	CL
81P03684	Bk	B3ca	38-58					C
81P03685	2Bkg	2C1casC	58-89					SCL
81P03686	2Bky	2C2cacs	89-112					L
81P03687	3Bky	3C3csca	112-152

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.65	(NA)
Clay, carbonate free, Weighted Average	35	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	41	% wt
Volume, >2mm, Weighted Average	27	% vol
Clay, total, Weighted Average	40	% wt
Weighted averages based on control section: 13-58 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
81P03681	0-13	Ap	S	cl	31.6	34.3	34.1		1.5	18.2	16.1	22.6	7.4	2.3	1.0	0.8	tr	2	16	28	20
81P03682	13-25	Bt	S	cl	33.4	34.0	32.6		2.1	17.5	16.5	22.5	6.6	2.3	0.9	0.3	tr	1	16	25	19
81P03683	25-38	Btk	S	cl	38.7	32.7	28.6		1.5	17.2	15.5	19.4	5.6	2.3	0.6	0.7	tr	1	17	26	20
81P03684	38-58	Bk	S	c	45.0	23.5	31.5		9.6	11.8	11.7	14.2	6.2	4.7	3.0	3.4	5	9	36	60	62
81P03685	58-89	2Bkg	S	scl	21.7	20.5	57.8		5.7	10.3	10.2	17.2	8.7	9.0	10.7	12.2	5	11	42	75	76
81P03686	89-112	2Bky	S	l	25.7	38.6	35.7		2.3	19.5	19.1	18.4	8.5	5.1	2.0	1.7	1	1	19	35	34
81P03687	112-152	3Bky	S														1	2	10

*** Primary Characterization Data ***

Pedon ID: 81CO085001

( Montrose, Colorado )

Print Date: Apr 28 2025 11:43AM

Sampled As	:	Mesa		Fine-loamy, mixed, mesic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0622

---

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		3D1	4E2a1a1a1	4C1		8D1	8D1
81P03681	0-13	Ap	S	1.59	1.73	0.025			18.2	11.8		1.032		0.09		0.58	0.37
81P03682	13-25	Bt	S	1.53	1.67	0.026			19.4	12.5		1.032		0.09		0.56	0.37
81P03683	25-38	Btk	S	1.44	1.63	0.036			21.6	12.4		1.038		0.11		0.58	0.32
81P03684	38-58	Bk	S	1.30	1.45	0.020			26.3	13.5		1.041		0.09		0.55	0.30
81P03685	58-89	2Bkg	S							6.8		1.019				0.49	0.31
81P03686	89-112	2Bky	S							8.0		1.023				0.46	0.31
81P03687	112-152	3Bky	S	1.46	1.48				17.0	12.7			1.030

---

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
81P03682	13-25	Bt	S	32	14
81P03687	112-152	3Bky	S	27	2

---

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
81P03681	0-13	Ap	S		0.157			1.71	11	1.0	tr	tr
81P03682	13-25	Bt	S		0.113			1.12	10	1.1	tr	tr
81P03683	25-38	Btk	S		0.055			0.51	9	0.8	tr	tr
81P03684	38-58	Bk	S		0.049			0.43	9	1.0	tr	--
81P03685	58-89	2Bkg	S					0.26		0.8	tr	--
81P03686	89-112	2Bky	S					0.18		1.2	tr	tr
81P03687	112-152	3Bky	S					0.09		0.8	tr	--

*** Primary Characterization Data ***

Pedon ID: 81CO085001

( Montrose, Colorado )

Print Date: Apr 28 2025 11:43AM

Sampled As	:	Mesa		Fine-loamy, mixed, mesic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0622

---

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						5A8b			5C3	5C1
81P03681	0-13	Ap	S	42.0*	5.3	0.5	1.3						18.3			100	100
81P03682	13-25	Bt	S	44.1*	5.1	0.8	0.7						18.7			100	100
81P03683	25-38	Btk	S	46.2*	5.9	0.9	0.5						22.3			100	100
81P03684	38-58	Bk	S	48.3*	6.6	1.2	0.4						24.9			100	100
81P03685	58-89	2Bkg	S	37.5*	3.1	0.8	0.2						10.7			100	100
81P03686	89-112	2Bky	S	47.4*	4.0	1.4	0.2						11.9			100	100
81P03687	112-152	3Bky	S		2.2	0.7	0.1						6.1

^*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
81P03681	0-13	Ap	S	14.2	5.2	4.5	0.8	--	8.6	0.2	3.9				4.0	0.5	8.1	48.5	0.1	2.22	0.76	2	1
81P03682	13-25	Bt	S	4.5	1.4	4.1	0.1	--	4.4	0.1	2.6				2.2	--	--	45.4	tr	0.95	0.39	3	2
81P03683	25-38	Btk	S	3.1	1.0	3.7	tr	--	3.3	0.1	1.9				1.9	--	--	48.1	tr	0.77	0.36	3	3
81P03684	38-58	Bk	S	3.2	1.1	4.9	tr	--	2.8	0.1	3.1				2.6	--	0.3	51.6	tr	0.93	0.41	4	3
81P03685	58-89	2Bkg	S	3.1	1.1	6.2	tr	--	2.9	0.1	3.3				3.4	--	--	32.3	tr	1.06	0.34	6	4
81P03686	89-112	2Bky	S	29.2	9.1	17.1	0.1	--	1.6	0.4	10.2				39.3	--	--	38.9	0.1	4.15	2.29	6	4
81P03687	112-152	3Bky	S	28.6	4.3	11.0	0.1	--	1.1	0.5	4.7				34.8	--	--	37.3		3.27	2.39

*** Primary Characterization Data ***

Pedon ID: 81CO085001

( Montrose, Colorado )

Print Date: Apr 28 2025 11:43AM

Sampled As	:	Mesa		Fine-loamy, mixed, mesic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0622

---

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		4E2a1a1a1		8E1
81P03681	0-13	Ap	S		7.5	7.6	7.6			9		--
81P03682	13-25	Bt	S		7.8	8.1	7.8			9
81P03683	25-38	Btk	S		7.8	8.2	7.7			16
81P03684	38-58	Bk	S		7.8	8.2	7.7			21		--
81P03685	58-89	2Bkg	S		7.7	8.4	7.9			23		--
81P03686	89-112	2Bky	S		7.6	7.8	7.7			18		--		670
81P03687	112-152	3Bky	S		7.4	7.7	7.8			8		33

*** Primary Characterization Data ***

Pedon ID: 81CO085001

( Montrose, Colorado )

Print Date: Apr 28 2025 11:43AM

Sampled As	:	Mesa		Fine-loamy, mixed, mesic Typic Haplargid
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  81P0622

---

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

81P03682

13.0-25.0

Bt

tcly

MT 2

MI 2

KK 2

CA 1

5.9

2.9

81P03684

38.0-58.0

Bk

tcly

MT 3

CA 2

MI 1

KK 1

5.1

1.5

81P03687

112.0-152.0

3Bky

tcly

MI 3

KK 2

MT 2

DL 2

QZ 1

3.0

2.4

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	DL Dolomite	KK Kaolinite	MI Mica	MT Montmorillonite
QZ Quartz

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks