IDENTIFIERS

Current Taxon Name (Soil Name): Tonka

OSD

Series Extent

User Site ID: S2001ND071001

User Pedon ID: S2001ND071001

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - SSL

Lab Pedon # - 02N0760

NCSS Pedon Lab Data NASIS Record ID - 15251

User Project ID: LEED_10-BIS20

Project Name: MLRA 55A - Investigation of the Leeds Lobe and Map Unit Recorrelation

Print Date: 11/11/2024

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: 48.1084442

Std. Longitude: -98.6229706

Datum: WGS84

Township: 154N

Range: 62W

Section: 33

PLSS Details: SE 1/4, SW 1/4, SE 1/4

Location Description: 9 3/4 miles E of Elks Drive in Devils Lake, ND

State: North Dakota

County: ND071—Ramsey

MLRA: 55A—Northern Black Glaciated Plains

Non-MLRA Soil Survey Area: ND071—Ramsey County, North Dakota

PEDON

Describers Name: Mike Ulmer, Robert Lisante, David Reeves, Earnie Jensen

Current Taxonomic Class: Fine, smectitic, frigid Argiaquic Argialbolls

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: full pedon description

Pedon Record Orgin: Windows Pedon

Pedon #: 1

Correlated Information:

Soil Name - Tonka

PSC - 62 to 100 cm.

Classificaton Date - 1/7/2020

Classifier - Kyle Thomson

Soil Taxonomic Edition - twelfth edition

Moisture Class - aquic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Tonka

Taxonomic Class - Fine, smectitic, frigid Argiaquic Argialbolls

PSC - 62 to 100 cm.

Classificaton Date - 8/20/2001

Soil Taxonomic Edition - eighth edition

Moisture Class - aquic

Moisture SUBClass - aquic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: yes

Certification Status: certified

QC Status: level 1

QA Status: level 2

SITE

Parent Material: alluvium over till

Landscape: till plain

Landform: depression

Drainage Class: poorly

Surface Fragments:

Benchmark Soil?: no

Plot #: 20

VEGETATION

SITE OBSERVATION

Observation Date: 8/20/2001 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Current Weather - overcast

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
aquic conditions mollic epipedon albic materials redox depletions with chroma 2 or less redox concentrations argillic horizon secondary carbonates	0—260 0—44 44—62 44—260 44—260 62—141 198—260	—260— —44— —18— —216— —216— —79— —62—

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
—	—	—	—	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap1—0 to 12 centimeters (0.0 to 4.7 inches); black (N 2.5/),, very dark gray (2.5Y 3/1), dry; silt loam; weak fine granular, and weak medium granular structure; friable, slightly sticky, slightly plastic; 8.0 very fine roots and 4.0 medium roots and 8.0 fine roots and 0.1 coarse roots; 5.0 very fine dendritic tubular pores; 1 percent by volume nonflat subrounded indurated 2-10-20 millimeter granite fragments; 1 percent krotovinas (volume percent); very slight effervescence, by hcl, unspecified; abrupt smooth boundary. Lab sample # 02N03840; observed in trench

Ap2—12 to 19 centimeters (4.7 to 7.5 inches); black (N 2.5/),, very dark gray (2.5Y 3/1), dry; silt loam; weak fine subangular blocky parts to weak fine granular structure; friable, slightly sticky, slightly plastic; 6.0 very fine roots and 3.0 medium roots and 0.1 coarse roots; 5.0 very fine dendritic tubular pores; 1 percent by volume nonflat subrounded indurated 2-10-20 millimeter granite fragments; slight effervescence, by hcl, unspecified; abrupt smooth boundary. Lab sample # 02N03841; observed in trench

A—19 to 28 centimeters (7.5 to 11.0 inches); black (N 2.5/),, very dark gray (2.5Y 3/1), dry; silt loam; weak coarse subangular blocky parts to weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; 5.0 very fine roots and 3.0 medium roots and 5.0 fine roots and 0.1 coarse roots; 5.0 very fine dendritic tubular pores; 1 percent by volume nonflat subrounded indurated 2-10-20 millimeter granite fragments; very slight effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # 02N03842; observed in trench

AE—28 to 44 centimeters (11.0 to 17.3 inches); black (2.5Y 2/1), dark gray (2.5Y 4/1), dry; loam; weak coarse prismatic parts to weak coarse platy, and weak coarse prismatic parts to weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; 3.0 very fine roots and 3.0 medium roots and 0.1 coarse roots; 1 percent dark grayish brown (2.5Y 4/2), moist, clay depletions; 1 percent by volume nonflat subrounded indurated 2-10-20 millimeter granite fragments; clear wavy boundary. Lab sample # 02N03843

E—44 to 62 centimeters (17.3 to 24.4 inches); dark gray (2.5Y 4/1), light gray (2.5Y 7/1), dry; loam; weak medium prismatic parts to weak coarse platy, and weak medium prismatic parts to weak medium platy structure; friable, slightly sticky, slightly plastic; 3.0 very fine roots and 1.0 medium roots; 1.0 very fine tubular pores; 5 percent strong brown (7.5YR 5/6), moist, masses of oxidized iron; 2 percent by volume nonflat subrounded weakly coherent cemented 2-10-20 millimeter shale, unspecified fragments and 2 percent by volume nonflat subrounded indurated 2-10-20 millimeter granite fragments; clear wavy boundary. Lab sample # 02N03844

Bt1—62 to 76 centimeters (24.4 to 29.9 inches); 50 percent dark grayish brown (2.5Y 4/2) and 40 percent light olive brown (2.5Y 5/4), 50 percent grayish brown (2.5Y 5/2) and 40 percent light yellowish brown (2.5Y 6/4), dry; clay; weak medium prismatic parts to moderate coarse angular blocky, and weak medium prismatic parts to moderate medium angular blocky structure; firm, moderately sticky, moderately plastic; 1.0 very fine roots and 1.0 medium roots; 95 percent prominent dark grayish brown (2.5Y 4/2), moist, clay films on all faces of peds; 5 percent dark gray (2.5Y 4/1), moist, iron depletions and 5 percent strong brown (7.5YR 5/8), moist, masses of oxidized iron; 2 percent by volume nonflat subrounded indurated 2-10-20 millimeter granite fragments and 2 percent by volume nonflat subrounded weakly coherent cemented 2-10-20 millimeter shale, unspecified fragments; clear wavy boundary. Lab sample # 02N03845. continuous - phpvsfiid 1644792; continuous - phpvsfiid 1644792

Bt2—76 to 109 centimeters (29.9 to 42.9 inches); 60 percent dark grayish brown (2.5Y 4/2) and 35 percent light olive brown (2.5Y 5/4), 60 percent grayish brown (2.5Y 5/2) and 35 percent light yellowish brown (2.5Y 6/4), dry; clay; moderate medium prismatic parts to moderate medium angular blocky, and moderate medium prismatic parts to moderate fine angular blocky, and moderate coarse prismatic parts to moderate medium angular blocky, and moderate coarse prismatic parts to moderate fine angular blocky structure; firm, moderately sticky, moderately plastic; 1.0 very fine roots and 0.5 medium roots; 95 percent prominent dark gray (2.5Y 4/1), moist, clay films on all faces of peds; 1 percent medium dark greenish gray (5G 4/1), moist, iron depletions lining pores and 1 percent coarse dark gray (2.5Y 4/1), moist, iron depletions and 4 percent strong brown (7.5YR 5/8), moist, masses of oxidized iron; 2 percent by volume nonflat subrounded weakly coherent cemented 2-10-20 millimeter shale, unspecified fragments and 2 percent by volume nonflat subrounded indurated 2-10-20 millimeter granite fragments; gradual wavy boundary. Lab sample # 02N03846. continuous - phpvsfiid 1644793; continuous - phpvsfiid 1644793

Bt3—109 to 141 centimeters (42.9 to 55.5 inches); dark grayish brown (2.5Y 4/2), grayish brown (2.5Y 5/2), dry; clay; moderate coarse prismatic parts to moderate medium subangular blocky, and moderate coarse prismatic parts to moderate coarse angular blocky structure; firm, moderately sticky, moderately plastic; 0.4 very fine roots and 0.1 medium roots; 80 percent dark gray (2.5Y 4/1), moist, clay films; 10 percent strong brown (7.5YR 5/6), moist, masses of oxidized iron and 19 percent dark gray (10YR 4/1), moist, iron depletions; 2 percent by volume nonflat subrounded weakly coherent cemented 2-10-20 millimeter shale, unspecified fragments and 2 percent by volume nonflat subrounded indurated 2-10-20 millimeter granite fragments; gradual wavy boundary. Lab sample # 02N03847

BC—141 to 198 centimeters (55.5 to 78.0 inches); 70 percent light olive brown (2.5Y 5/4) and 25 percent grayish brown (2.5Y 5/2), 70 percent light yellowish brown (2.5Y 6/4) and 25 percent light brownish gray (2.5Y 6/2), dry; clay loam; weak very coarse prismatic parts to weak medium subangular blocky structure; firm, moderately sticky, slightly plastic; 0.4 very fine roots and 0.1 medium roots; 1 percent greenish gray (10BG 5/1), moist, iron depletions lining pores and 4 percent fine yellowish brown (10YR 5/8), moist, masses of oxidized iron; 1 percent coarse spherical strong brown (7.5YR 5/6), moist, gibbsite concretions in matrix; 1 percent by volume nonflat subrounded weakly coherent cemented 2-40-75 millimeter shale, unspecified fragments and 2 percent by volume nonflat subrounded indurated 2-10-20 millimeter granite fragments; gradual wavy boundary. Lab sample # 02N03848

C—198 to 260 centimeters (78.0 to 102.4 inches); light olive brown (2.5Y 5/4), light yellowish brown (2.5Y 6/4), dry; loam; structureless massive; firm, slightly sticky, slightly plastic; 5 percent spherical red (2.5YR 4/6), moist, masses of oxidized iron and 10 percent greenish gray (10BG 5/1), moist, iron depletions; 1 percent by volume nonflat subrounded weakly coherent cemented 2-40-75 millimeter shale, unspecified fragments and 2 percent by volume nonflat subrounded indurated 2-10-20 millimeter granite fragments; slight effervescence, by hcl, unspecified.