IDENTIFIERS

Current Taxon Name (Soil Name): Bacid

OSD

Series Extent

User Site ID: 06CO628013

User Pedon ID: 06CO628013

User Site Association ID: lan628-2006.4

Lab Information:

Certified Lab Pedon Description - no

Lab Pedon # - 06N0662

NCSS Pedon Lab Data NASIS Record ID - 17814

Print Date: 2/16/2025

LOCATION

Location In Web Soil Survey

AOI is roughly a square mile and pedon is marked in the center.

Location in SoilWeb

Location in Google Maps

Std. Latitude: 37.2722222

Std. Longitude: -104.3483333

Datum: WGS84

Township: 32 S.

Range: 62 W.

Section: 9

PLSS Details: 1200 feet east 2400 feet south of the northwest corner

Map Unit: BnA—Bacid silty clay loam, 0 to 2 percent slopes

State: Colorado

County: CO071—Las Animas

MLRA: 69—Upper Arkansas Valley Rolling Plains

Non-MLRA Soil Survey Area: CO628—Las Animas County Area, Colorado, Parts of Huerfano and Las Animas Counties

7.5 Minute USGS Quad: 37104-C3—Earl, Colorado

PEDON

Describers Name: LAN

Current Taxonomic Class: Fine, smectitic, mesic Ustic Haplargids

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Pedon #: 1032

Sampled As Information:

Soil Name - Bacid

Taxonomic Class - Fine, smectitic, mesic Ustic Haplargids

PSC - 25 to 76 cm.

Classificaton Date - 6/16/2006

Soil Taxonomic Edition - eighth edition

Moisture Class - aridic (torric)

Moisture SUBClass - ustic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: alluvium derived from sedimentary rock

Landscape: plains

Landform: terrace

Geomorphic Component Terraces: tread

Slope Position: middle third

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: linear

Runoff: low

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 6/16/2006 (actual site observation date)

Air Photo ID: 11673-42

Surface Cover Properties:

Site Obs. Cover Kind 1 - crop cover

Site Obs. Cover Kind 2 - row crop

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Current Weather - partly cloudy

Site Erosion Accelerated: water erosion

Pedon Horizon Lab Results - 1
Horizon	Top Depth	Bottom Depth	Sample ID	Data Collector	Total Clay	CaCO3 Clay	Total Silt	Fine Silt	Co. Silt	Total Sand	Total Sand Method	VC Sand	Co. Sand	Med. Sand	Fine Sand	VF Sand	VF Sand Method	Texture Class - Field Lab	Rubbed Fiber	Unrubbed Fiber	pH H2O
	cm	cm			%	%	%	%	%	%		%	%	%	%	%			%	%
Btk Btk Bk1 Bk1 2Bk2 2Bk2 2Bk3 2Bk3	47 47 81 81 102 102 118 118	— 83 — 102 — 118 — 180	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —

Pedon Horizon Lab Results - 2
Horizon	Top Depth	Bottom Depth	Sample ID	pH CaCl2	pH NaF	pH Ox	Delta pH	LL	PL	PI	Atter. Samp. Cond.	COLE	Pot. Acidity	Ca + Mg - Meh 2	K	Ca + Mg - Sat. Paste	KCl Extract. Acidity	Base Sat. - Meh 2	CEC-7	CEC-8.2
	cm	cm						%	%	%		cm/cm	meq/100g	cmol(+)/kg	cmol(+)/kg	mmol(+)/l	cmol(+)/kg	%	cmol(+)/kg	cmol(+)/kg
Btk Btk Bk1 Bk1 2Bk2 2Bk2 2Bk3 2Bk3	47 47 81 81 102 102 118 118	— 83 — 102 — 118 — 180	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —		— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —

Pedon Horizon Lab Results - 3
Horizon	Top Depth	Bottom Depth	Sample ID	ECEC	Phosphate P	NO3-N	EC	EC Method	EC 1:5 by volume	CaCO3 Equiv.	Equiv. Gypsum	Na	SAR	Gypsum Req.	Humic Color	Fulvic Color	Humic + Fulvic Color	Al	PI	Pyro. Hue	PyrO. Value	Pyro. Chroma
	cm	cm		cmol(+)/kg	mg/kg	mg/kg	dS/m		dS/m	%	%	mmol(+)/l	%	L-pcu/g	L-pcu/g	L-pcu/g	%
Btk Btk Bk1 Bk1 2Bk2 2Bk2 2Bk3 2Bk3	47 47 81 81 102 102 118 118	— 83 — 102 — 118 — 180	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	0 1 5 5 11 11 6 6	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon	0—15 15—83	—- —-

Setting and Climate
Slope	Slope Length USLE	Upslope Length	Elev.	Corr. Elev	Aspect	MAP	REAP	FFD	MAAT	MSAT	MWAT	MAST	MSST	MWST	MFFP	PE Index	Climate Station ID	Climate Station Name	Climate Station Type
%	m				degrees	mm	mm		C						mm
0	—	—	1739	—	350	343	—	—	11	—	—	—	—	—	—	—	—	—	—

Ap1—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; silty clay loam; 34 percent clay; moderate fine granular structure; soft, very friable, moderately sticky, moderately plastic; fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.6, cresol red; clear smooth boundary.; moist when described;

Ap2—15 to 25 centimeters (5.9 to 9.8 inches); brown (10YR 5/3), dark grayish brown (10YR 4/2), moist; silty clay loam; 39 percent clay; moderate fine prismatic parts to moderate fine and medium angular blocky structure; extremely hard, very firm, very sticky, very plastic; fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.6, cresol red; abrupt smooth boundary.; moist when described;

Bt—25 to 47 centimeters (9.8 to 18.5 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; clay; 44 percent clay; moderate medium prismatic parts to strong fine and medium angular blocky structure; extremely hard, very firm, very sticky, very plastic; 1 percent distinct slickensides (pedogenic) on tops of soil columns and 50 percent distinct clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.7, cresol red; clear smooth boundary.; moist when described;

Btk—47 to 83 centimeters (18.5 to 32.7 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; clay; 44 percent clay; moderate medium prismatic parts to strong medium subangular blocky structure; extremely hard, very firm, very sticky, very plastic; 35 percent distinct clay films on all faces of peds; 5 percent fine distinct irregular carbonate masses throughout and 5 percent fine distinct threadlike carbonate masses throughout; fragments; very slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, cresol red; clear smooth boundary.; moist when described;

Bk1—81 to 102 centimeters (31.9 to 40.2 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; silty clay loam; 30 percent clay; moderate fine and medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 5 percent medium distinct irregular carbonate masses throughout; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, thymol-blue; abrupt smooth boundary.; moist when described;

2Bk2—102 to 118 centimeters (40.2 to 46.5 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; loam; 26 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 10 percent fine and medium faint irregular carbonate masses throughout; nonflat indurated 5-10-20 millimeter unspecified fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.6, thymol-blue; abrupt smooth boundary.; dry when described;

2Bk3—118 to 180 centimeters (46.5 to 70.9 inches); light brown (7.5YR 6/4), brown (7.5YR 5/3), moist; clay loam; 38 percent clay; moderate medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 10 percent fine and medium distinct irregular carbonate masses between peds; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.6, thymol-blue.; dry when described;