IDENTIFIERS

Current Taxon Name (Soil Name): Ethan

OSD

Series Extent

User Site ID: S2004SD099002

User Pedon ID: S2004SD099002

Vegetation Plot ID: S2004SD099002

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 05N0473

NCSS Pedon Lab Data NASIS Record ID - 17352

Print Date: 1/31/2025

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: 43.6134109

Std. Longitude: -97.1284256

Datum: WGS84

Township: 102N

Range: 52W

Section: 30

PLSS Details: 193 feet east and 950 feet south of the NW corner

Country: US—United States

State: South Dakota

County: SD099—Minnehaha

MLRA: 102B—Till Plains

7.5 Minute USGS Quad: 43097-E2—East Vermillion Lake, South Dakota

PEDON

Describers Name: Eugene Preston

Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Typic Calciustolls

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: research site

Pedon Record Orgin: NASIS

Pedon #: 2

Sampled As Information:

Soil Name - Ethan

Taxonomic Class - Fine-loamy, mixed, superactive, mesic Typic Calciustolls

PSC - 25 to 100 cm.

Classificaton Date - 10/27/2004

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: oxidized loamy till derived from mixed-calcareous

Landscape: upland

Landform: till plain

Geomorphic Component Hills: nose slope

Hill Slope Profile: shoulder

Slope Shape Across: convex

Slope Shape Down: convex

Drainage Class: well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 10/27/2004 (actual site observation date)

Plant Association Name: Thin Upland

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
ANGE BOCU BRIN2 PAVI2 POPR	Andropogon gerardii Bouteloua curtipendula Bromus inermis Panicum virgatum Poa pratensis	big bluestem sideoats grama smooth brome switchgrass Kentucky bluegrass	— — — — —	— — — — —	— — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon calcic horizon	0—20 20—86	—- —-

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
3	45	12	479	—	320	610	—	149	8	—	—	—	—	—	—	—	—	—	—

Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; loam; 42 percent sand; 32 percent silt; 26 percent clay; moderate medium granular parts to weak fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; moderate excavation difficulty; 21.0 very fine roots throughout and 21.0 fine roots throughout; 3.0 very fine moderate-continuity tubular and 3.0 very fine moderate-continuity vesicular and 3.0 fine moderate-continuity tubular and 3.0 fine moderate-continuity vesicular pores; 1 percent fine spherical fecal pellets and 1 percent medium spherical fecal pellets; 1 percent by volume subangular 2-?-60 millimeter mixed fragments; strong effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # 05N02723

Bk1—20 to 41 centimeters (7.9 to 16.1 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; clay loam; 38 percent sand; 32 percent silt; 30 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate excavation difficulty; 3.0 very fine roots throughout and 3.0 fine roots throughout; 21.0 very fine moderate-continuity tubular and 21.0 fine moderate-continuity tubular pores; coarse prominent irregular white (5Y 8/1), moist, carbonate masses with clear boundaries throughout and 1 percent fine spherical fecal pellets and 4 percent medium prominent irregular white (5Y 8/1), moist, carbonate masses with clear boundaries throughout and medium spherical fecal pellets; 1 percent by volume subangular 2-?-70 millimeter mixed fragments; violent effervescence, by hcl, unspecified; gradual wavy boundary. Lab sample # 05N02724

Bk2—41 to 64 centimeters (16.1 to 25.2 inches); light yellowish brown (2.5Y 6/3), light olive brown (2.5Y 5/3), moist; clay loam; 35 percent sand; 33 percent silt; 32 percent clay; weak medium prismatic parts to weak medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; moderate excavation difficulty; 3.0 very fine roots throughout; 21.0 very fine moderate-continuity tubular and 21.0 fine moderate-continuity tubular pores; medium prominent irregular strong brown (7.5YR 5/6), moist, masses of oxidized iron with clear boundaries throughout and 5 percent fine prominent irregular strong brown (7.5YR 5/6), moist, masses of oxidized iron with clear boundaries throughout; coarse prominent irregular white (5Y 8/1), moist, carbonate masses with sharp boundaries throughout and 7 percent medium prominent irregular white (5Y 8/1), moist, carbonate masses with sharp boundaries throughout; 1 percent by volume subangular 2-?-70 millimeter mixed fragments; violent effervescence, by hcl, unspecified; gradual wavy boundary. Lab sample # 05N02725

Bk3—64 to 86 centimeters (25.2 to 33.9 inches); light brownish gray (2.5Y 6/2), light olive brown (2.5Y 5/3), moist; clay loam; 31 percent sand; 38 percent silt; 31 percent clay; weak coarse subangular blocky structure; hard, friable, moderately sticky, moderately plastic; moderate excavation difficulty; 3.0 very fine roots throughout; 21.0 very fine moderate-continuity tubular pores; very coarse distinct irregular gray (2.5Y 5/1), moist, iron depletions with clear boundaries throughout and medium prominent irregular strong brown (7.5YR 4/6), moist, masses of oxidized iron with diffuse boundaries throughout and 10 percent coarse prominent irregular strong brown (7.5YR 4/6), moist, masses of oxidized iron with diffuse boundaries throughout and 25 percent coarse distinct irregular gray (2.5Y 5/1), moist, iron depletions with clear boundaries throughout; coarse prominent irregular white (5Y 8/1), moist, carbonate masses with sharp boundaries throughout and 3 percent medium prominent irregular white (5Y 8/1), moist, carbonate masses with sharp boundaries throughout; 1 percent by volume subangular 2-?-75 millimeter mixed fragments; strong effervescence, by hcl, unspecified; gradual wavy boundary. Lab sample # 05N02726

C—86 to 203 centimeters (33.9 to 79.9 inches); light gray (5Y 7/1), gray (5Y 5/1), moist; clay loam; 29 percent sand; 40 percent silt; 31 percent clay; massive; very hard, firm, moderately sticky, moderately plastic; moderate excavation difficulty; 3.0 very fine roots throughout; 21.0 very fine moderate-continuity tubular pores; very coarse prominent irregular yellowish brown (10YR 5/4), moist, masses of oxidized iron with diffuse boundaries throughout and coarse prominent irregular strong brown (7.5YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix and 10 percent medium prominent irregular strong brown (7.5YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix and 25 percent coarse prominent irregular yellowish brown (10YR 5/4), moist, masses of oxidized iron with diffuse boundaries throughout; 2 percent fine prominent irregular white (5Y 8/1), moist, carbonate masses with sharp boundaries throughout and 1 percent fine prominent dendritic dark reddish gray (10R 3/1), moist, iron-manganese masses with clear boundaries throughout and medium prominent irregular carbonate masses with sharp boundaries throughout and medium prominent dendritic dark reddish gray (10R 3/1), moist, iron-manganese masses with clear boundaries throughout; 1 percent by volume subangular 2-?-80 millimeter mixed fragments; strong effervescence, by hcl, unspecified. Lab sample # 05N02727; observed in auger, bucket