IDENTIFIERS

Current Taxon Name (Soil Name): Trembles

OSD

Series Extent

User Site ID: S2013SD105001

User Pedon ID: S2013SD105001

Vegetation Plot ID: S2013SD105001

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - KSSL

Lab Pedon # - 14N0307

NCSS Pedon Lab Data NASIS Record ID - 74466

Print Date: 3/2/2025

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: 45.6355150

Std. Longitude: -102.5348583

Datum: WGS84

Township: 19N

Range: 13E

Section: 4

PLSS Details: SW 1/4

Location Description: Pedon is located 105.2 miles west and 89.8 miles north of the Pierre MLRA Soil Survey Office in Pierre, SD.

Map Unit: Ta—Trembles fine sandy loam

State: South Dakota

County: SD105—Perkins

MLRA: 54—Rolling Soft Shale Plain

Non-MLRA Soil Survey Area: SD105—Perkins County, South Dakota

7.5 Minute USGS Quad: 45102-F5—Cole Dam, South Dakota

PEDON

Describers Name: N. Jones, A. Oxford, Eddy Kraft, John Kempenich

Current Taxonomic Class: Coarse-loamy, mixed, superactive, calcareous, frigid Typic Ustifluvents

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: laboratory sampling site

Sampled As Information:

Soil Name - Trembles

Taxonomic Class - Coarse-loamy, mixed, superactive, calcareous, frigid Typic Ustifluvents

Taxon Kind - series

PSC - 25 to 100 cm.

Classificaton Date - 7/19/2013

Classifier - A. Oxford

Soil Taxonomic Edition - eleventh edition

Moisture Class - ustic

Moisture SUBClass - typic

Dynamic Soil Properties:

Erosion Class - 0

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: coarse-loamy alluvium

Landscape: upland

Landform: stream terrace

Geomorphic Component Terraces: tread

Hill Slope Profile: toeslope

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: linear

Ksat Class Upper: high

Drainage Class: well

Flooding: rare flooding

Surface Fragments: 0.00 percent

Benchmark Soil?: yes

VEGETATION

Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
Ecological Site ID	Ecological Site Name	Correlation Data	Classifier
R054XY041ND	Loamy Terrace	Jul 19 2013	A. Oxford

SITE OBSERVATION

Observation Date: 7/17/2013 (actual site observation date)

Data Collector: N. Jones

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

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
BOGR2 CAREX HECOC8 KOMA PASM PEAR6	Bouteloua gracilis Carex Hesperostipa comata ssp. comata Koeleria macrantha Pascopyrum smithii Pediomelum argophyllum	blue grama sedge needle and thread prairie Junegrass western wheatgrass silverleaf Indian breadroot	— — — — — —	— — — — — —	— — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon secondary carbonates redox concentrations	0—8 20—179 77—179	—- —- —-

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	—	—	715	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; fine sandy loam; 55 percent sand; 15 percent clay; weak very fine granular structure; moderately hard, friable, nonsticky, nonplastic; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine and 3.0 fine pores; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.5, pH indicator solutions; gradual wavy boundary. Lab sample # 14N01597; observed in pit, large or quarry

AB—8 to 20 centimeters (3.1 to 7.9 inches); dark grayish brown (2.5Y 4/2), light olive brown (2.5Y 5/3), dry; fine sandy loam; 60 percent sand; 17 percent clay; weak coarse subangular blocky structure; moderately hard, friable, nonsticky, nonplastic; 3.0 very fine roots throughout; 3.0 very fine pores; fragments; noneffervescent, by hcl, 1n; neutral, pH 7.0, pH indicator solutions; clear wavy boundary. Lab sample # 14N01598; observed in pit, large or quarry

BCk—20 to 60 centimeters (7.9 to 23.6 inches); olive brown (2.5Y 4/3), light olive brown (2.5Y 5/3), dry; loam; 45 percent sand; 19 percent clay; moderate medium subangular blocky structure; moderately hard, friable, nonsticky, nonplastic; 3.0 very fine roots throughout; 3.0 very fine pores; 3 percent fine distinct irregular weakly coherent cemented carbonate masses with diffuse boundaries in matrix; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.5, pH indicator solutions; clear smooth boundary. Lab sample # 14N01599; observed in pit, large or quarry

Akb—60 to 77 centimeters (23.6 to 30.3 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; loam; 45 percent sand; 24 percent clay; moderate medium prismatic structure; moderately hard, friable, nonsticky, nonplastic; 1.0 very fine roots throughout and 1.0 medium roots throughout; 1.0 very fine and 1.0 medium pores; 6 percent fine distinct threadlike weakly coherent cemented carbonate masses with diffuse boundaries in matrix; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.5, pH indicator solutions; clear smooth boundary. Lab sample # 14N01600; observed in pit, large or quarry

BCkb1—77 to 140 centimeters (30.3 to 55.1 inches); very dark grayish brown (2.5Y 3/2), dark grayish brown (2.5Y 4/2), dry; sandy loam; 75 percent sand; 12 percent clay; weak fine prismatic structure; moderately hard, friable, nonsticky, nonplastic; 1.0 very fine roots throughout; 1.0 very fine pores; 2 percent fine distinct irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; 3 percent fine distinct threadlike weakly coherent cemented carbonate masses with diffuse boundaries in matrix; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.5, pH indicator solutions; clear smooth boundary. Lab sample # 14N01601; observed in pit, large or quarry

BCkb2—140 to 152 centimeters (55.1 to 59.8 inches); dark grayish brown (2.5Y 4/2), grayish brown (2.5Y 5/2), dry; sandy clay loam; 50 percent sand; 28 percent clay; structureless massive; moderately hard, friable, slightly sticky, slightly plastic; 1.0 very fine roots throughout; 1.0 very fine pores; 2 percent fine distinct irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; 10 percent fine distinct threadlike weakly coherent cemented carbonate masses with diffuse boundaries in matrix; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH indicator solutions; clear smooth boundary. Lab sample # 14N01602; observed in pit, large or quarry

C1—152 to 179 centimeters (59.8 to 70.5 inches); dark grayish brown (2.5Y 4/2), light olive brown (2.5Y 5/3), dry; loamy sand; 85 percent sand; 9 percent clay; structureless massive; slightly hard, very friable, nonsticky, nonplastic; 1.0 very fine roots throughout; 1.0 very fine pores; 2 percent fine distinct irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; 2 percent fine distinct irregular weakly coherent cemented carbonate masses with diffuse boundaries in matrix; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH indicator solutions; clear smooth boundary. Lab sample # 14N01603; observed in pit, large or quarry

C2—179 to 203 centimeters (70.5 to 79.9 inches); olive brown (2.5Y 4/3), light olive brown (2.5Y 5/3), dry; sandy clay loam; 60 percent sand; 22 percent clay; structureless massive; moderately hard, friable, nonsticky, nonplastic; 1.0 very fine roots throughout; 1.0 very fine pores; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH indicator solutions. Lab sample # 14N01604; observed in pit, large or quarry