IDENTIFIERS

Current Taxon Name (Soil Name): Lebsack

User Site ID: 11CO0752052

User Pedon ID: S2011CO0752052

Vegetation Plot ID: 11CO0752052

User Site Association ID: MLRA 72 - South Platte River Valleymlra72-South Platte River, westmlra72-73mlra72-SP well drainedmlra72-SP 73

Lab Information:

Certified Lab Pedon Description - no

Lab Pedon # - 11N0418

NCSS Pedon Lab Data NASIS Record ID - 43107

Print Date: 11/21/2024

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: 40.8287333

Std. Longitude: -102.8997417

Datum: WGS84

Township: 10

Range: 50

Section: 24

Map Unit: 73—Mosher clay

State: Colorado

County: CO075—Logan

MLRA: 72—Central High Tableland

Non-MLRA Soil Survey Area: CO075—Logan County, Colorado

7.5 Minute USGS Quad: 40102-G8—Proctor, Colorado

PEDON

Describers Name: N. Roth, D. Vyain, C. Remley, T. White, A. Steinert, M. Moore, C. Watts

Current Taxonomic Class: Fine, smectitic, mesic Pachic Haplustolls

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: soil survey inventory

Pedon #: 2052

Sampled As Information:

Soil Name - Lebsack

Taxonomic Class - Fine, smectitic, mesic Pachic Haplustolls

Taxon Kind - series

PSC - 25 to 100 cm.

Classificaton Date - 9/29/2016

Classifier - T. White

Soil Taxonomic Edition - twelfth edition

Moisture Class - ustic

Moisture SUBClass - aridic (torric)

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: strongly weathered, clayey alluvium derived from sedimentary rock over strongly weathered, sandy alluvium derived from igneous, metamorphic and sedimentary rock

Landscape: river valley

Landform: stream terrace

Geomorphic Component Terraces: tread

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: linear

Runoff: medium

Drainage Class: moderately well

Flooding: rare flooding for very brief periods

Ponding: rare ponding for very brief periods

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 3/16/2011 (actual site observation date)

Surface Water Kind: none observed

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - rangeland, grassland

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Current Weather - sunny

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			%	%	%	%	%	%		%	%	%	%	%			%	%
A By1 By2 By3 Bky Akb Bkzb Cg1 2Cg2	0 11 26 47 84 114 134 176 204	11 26 47 84 114 134 176 204 213	11N02159 11N02160 11N02161 11N02162 11N02163 11N02164 11N02165 11N02166 11N02167	— — — — — — — — —	34.9 41.3 42 44.1 51.1 51.9 53.7 65.2 16.9	0 0 0 3.6 6.6 11.5 23.5 0 0	44.4 40.7 40.6 40.6 38.2 38.3 38.5 23.5 12.5	23.1 22.9 24.3 23.6 23.5 24 24 13.9 4.5	21.3 17.8 16.3 17 14.7 14.3 14.5 9.6 8	20.7 18 17.4 15.3 10.7 9.8 7.8 11.3 70.6	sieves sieves sieves sieves sieves sieves sieves sieves sieves	0.1 0 0.1 0 0 0 0 0 0.1	0.3 0.2 0.1 0.1 0.1 0.1 0.2 0.2 2	2.3 1.2 1.3 1.2 0.6 0.6 0.5 1 23.7	4.7 4.3 4.6 4.9 1.7 1.6 1.6 6.2 34.6	13.3 12.3 11.3 9.1 8.3 7.5 5.5 3.9 10.2	— — — — — — — — —	cl sic sic sic c c c c fsl	— — — — — — — — —	— — — — — — — — —	7.7 8.6 8.5 8.8 8.8 8.7 8.9 8.3 8.6

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
A By1 By2 By3 Bky Akb Bkzb Cg1 2Cg2	0 11 26 47 84 114 134 176 204	11 26 47 84 114 134 176 204 213	11N02159 11N02160 11N02161 11N02162 11N02163 11N02164 11N02165 11N02166 11N02167	7.7 8.6 8.4 8.8 8.8 8.7 8.8 8.3 8.4	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —		— — — — — — — — —	0.15 0.15 0.16 0.14 0.14 0.14 0.11 0.26 0.04	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —

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	%
A By1 By2 By3 Bky Akb Bkzb Cg1 2Cg2	0 11 26 47 84 114 134 176 204	11 26 47 84 114 134 176 204 213	11N02159 11N02160 11N02161 11N02162 11N02163 11N02164 11N02165 11N02166 11N02167	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —	17.72 34.5 44.4 37.3 31.9 — 21.4 9.91 9.9	ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste — ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste	— — — — — — — — —	0 1 2 5 11 17 39 0 0	0 0 — 1 5 — 0 0 0	— — — — — — — — —	57 104 115 132 124 — — 85 73	— — 2 — — — — — —	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
DISP PASM SPAI	Distichlis spicata Pascopyrum smithii Sporobolus airoides	saltgrass western wheatgrass alkali sacaton	— — —	— — —	— — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon salt accumulations free carbonates secondary carbonates redox concentrations abrupt textural change	0—84 11—114 26—213 84—176 114—213 204—	—84— —103— —187— —92— —99— —-

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
1	—	—	1125	—	50	17	—	146	18	—	—	—	—	—	—	—	CO4945	LEROY 5	—

A—0 to 11 centimeters (0.0 to 4.3 inches);, very dark brown (10YR 2/2) crushed, moist; loam; 26 percent clay; moderate fine granular, and moderate medium granular structure; 3.0 very fine roots throughout and 3.0 fine roots throughout; fragments; noneffervescent, by hcl, 1n; diffuse wavy boundary.; moist when described; observed in pit, small. The data entered in the pedon horizon lab data results table for this horizon are from KSSL lab pedon id 11N0418, sample # 11N02159.

By1—11 to 26 centimeters (4.3 to 10.2 inches);, very dark brown (10YR 2/2) crushed, moist; clay loam; 34 percent clay; moderate medium subangular blocky parts to moderate medium granular structure; 3.0 very fine roots throughout and 3.0 fine roots throughout; 5 percent fine distinct threadlike weakly coherent cemented white (10YR 8/1), moist, gypsum masses with clear boundaries throughout and 10 percent fine distinct irregular weakly coherent cemented white (10YR 8/1), moist, gypsum crystals, unspecified with clear boundaries throughout and 5 percent medium distinct threadlike weakly coherent cemented white (10YR 8/1), moist, gypsum masses with clear boundaries throughout and 10 percent medium distinct irregular weakly coherent cemented white (10YR 8/1), moist, gypsum crystals, unspecified with clear boundaries throughout; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary.; moist when described; observed in pit, small. The data entered in the pedon horizon lab data results table for this horizon are from KSSL lab pedon id 11N0418, sample # 11N02160.; The salt crystals and salt masses have been changed to gypsum crystals and gypsum masses based on the lab data pH values being high.; The horizon designation was changed from Bz1 to By1 because the lab data pH values clues us in that what is being called salt accumulations are more likely gypsum accumulations because the pH values are high.

By2—26 to 47 centimeters (10.2 to 18.5 inches);, very dark grayish brown (10YR 3/2) crushed, moist; clay loam; 38 percent clay; moderate medium subangular blocky structure; 3.0 very fine roots throughout and 3.0 fine roots throughout; 5 percent fine distinct irregular weakly coherent cemented white (10YR 8/1), moist, gypsum masses with clear boundaries throughout and 15 percent fine distinct irregular weakly coherent cemented white (10YR 8/1), moist, gypsum crystals, unspecified with clear boundaries throughout and 5 percent medium distinct irregular weakly coherent cemented white (10YR 8/1), moist, gypsum masses with clear boundaries throughout and 15 percent medium distinct irregular weakly coherent cemented white (10YR 8/1), moist, gypsum crystals, unspecified with clear boundaries throughout; fragments; slight effervescence, by hcl, 1n; clear wavy boundary.; moist when described; observed in pit, small. The data entered in the pedon horizon lab data results table for this horizon are from KSSL lab pedon id 11N0418, sample # 11N02161.; The salt crystals and salt masses have been changed to gypsum crystals and gypsum masses based on the lab data pH values being high.; The horizon designation was changed from Bz2 to By2 because the lab data pH values clues us in that what is being called salt accumulations are more likely gypsum accumulations because the pH values are high.

By3—47 to 84 centimeters (18.5 to 33.1 inches);, very dark grayish brown (10YR 3/2) crushed, moist; clay loam; 36 percent clay; moderate medium subangular blocky structure; 3.0 very fine roots throughout and 3.0 fine roots throughout; 5 percent fine distinct irregular weakly coherent cemented white (10YR 8/1), moist, gypsum masses with clear boundaries throughout and 8 percent fine distinct irregular weakly coherent cemented white (10YR 8/1), moist, gypsum crystals, unspecified with clear boundaries throughout and 5 percent medium distinct irregular weakly coherent cemented white (10YR 8/1), moist, gypsum masses with clear boundaries throughout and 8 percent medium distinct irregular weakly coherent cemented white (10YR 8/1), moist, gypsum crystals, unspecified with clear boundaries throughout; fragments; strong effervescence, by hcl, 1n; clear wavy boundary.; moist when described; observed in pit, small. The data entered in the pedon horizon lab data results table for this horizon are from KSSL lab pedon id 11N0418, sample # 11N02162.; The salt crystals and salt masses have been changed to gypsum crystals and gypsum masses based on the lab data pH values being high.; The horizon designation was changed from Bkz1 to By3 because there are no carbonate masses described in the original description and the lab data pH values clues us in that what is being called salt accumulations are more likely gypsum accumulations because the pH values are high.

Bky—84 to 114 centimeters (33.1 to 44.9 inches);, dark grayish brown (10YR 4/2) crushed, moist; clay loam; 34 percent clay; moderate medium subangular blocky structure; 3.0 very fine roots throughout and 3.0 fine roots throughout; 8 percent fine distinct irregular weakly coherent cemented white (10YR 8/1), moist, gypsum masses with clear boundaries throughout and 8 percent medium distinct irregular weakly coherent cemented white (10YR 8/1), moist, gypsum crystals, unspecified with clear boundaries throughout and 1 percent medium distinct irregular strongly coherent cemented light gray (10YR 7/2), moist, carbonate nodules with clear boundaries throughout and 5 percent medium distinct irregular weakly coherent cemented light gray (10YR 7/2), moist, carbonate masses with clear boundaries throughout; fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; moist when described; observed in pit, small. The data entered in the pedon horizon lab data results table for this horizon are from KSSL lab pedon id 11N0418, sample # 11N02163.; The salt crystals and salt masses have been changed to gypsum crystals and gypsum masses based on the lab data pH values being high.; The horizon designation was changed from Bkz2 to Bky because the lab data pH values clues us in that what is being called salt accumulations are more likely gypsum accumulations because the pH values are high.

Akb—114 to 134 centimeters (44.9 to 52.8 inches);, very dark gray (2.5Y 3/1) crushed, moist; silty clay loam; 34 percent clay; moderate medium subangular blocky structure; 1 percent fine faint irregular weakly coherent cemented dark yellowish brown (10YR 4/6), moist, masses of oxidized iron with clear boundaries in matrix; 1 percent fine distinct irregular strongly coherent cemented light gray (10YR 7/2), moist, carbonate nodules with clear boundaries throughout and 4 percent fine distinct irregular weakly coherent cemented light gray (10YR 7/2), moist, carbonate masses with clear boundaries throughout and 4 percent medium distinct irregular weakly coherent cemented light gray (10YR 7/2), moist, carbonate masses with clear boundaries throughout; fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; moist when described; observed in pit, small. The data entered in the pedon horizon lab data results table for this horizon are from KSSL lab pedon id 11N0418, sample # 11N02164.; The horizon designation was changed from Ab to Akb because there are carbonate masses described in the original description for this horizon.

Bkzb—134 to 176 centimeters (52.8 to 69.3 inches);, dark gray (2.5Y 4/1) crushed, moist; silty clay loam; 38 percent clay; weak coarse prismatic parts to moderate medium subangular blocky structure; 1 percent fine distinct irregular strongly coherent cemented carbonate nodules with clear boundaries throughout and 4 percent medium distinct irregular weakly coherent cemented carbonate masses with clear boundaries throughout; fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; moist when described; observed in pit, small. The data entered in the pedon horizon lab data results table for this horizon are from KSSL lab pedon id 11N0418, sample # 11N02165.; The horizon designation was changed from Bkzb to Bkb because there are no salt accumulations described in the original description for this horizon.

Cg1—176 to 204 centimeters (69.3 to 80.3 inches);, grayish brown (2.5Y 5/2) crushed, moist; silty clay; 42 percent clay; moderate coarse angular blocky structure; 1 percent medium distinct irregular weakly coherent cemented gray (2.5Y 5/1), moist, manganese masses in matrix and 4 percent medium prominent irregular weakly coherent cemented strong brown (7.5YR 4/6), moist, masses of oxidized iron in matrix and 4 percent medium distinct irregular weakly coherent cemented dark yellowish brown (10YR 4/6), moist, masses of oxidized iron in matrix; fragments; very slight effervescence, by hcl, 1n; clear smooth boundary.; wet when described; observed in pit, small. The data entered in the pedon horizon lab data results table for this horizon are from KSSL lab pedon id 11N0418, sample # 11N02166.

2Cg2—204 to 213 centimeters (80.3 to 83.9 inches);, black (N 2.5/), crushed, moist; sandy clay loam; 32 percent clay; massive; 4 percent medium distinct irregular weakly coherent cemented dark yellowish brown (10YR 4/6), moist, masses of oxidized iron in matrix; fragments; very slight effervescence, by hcl, 1n.; wet when described; observed in pit, small. The data entered in the pedon horizon lab data results table for this horizon are from KSSL lab pedon id 11N0418, sample # 11N02167.