IDENTIFIERS
Current Taxon Name (Soil Name):
Lonna
OSD
Series Extent
User Site ID:
S1993ND053398
User Pedon ID:
S1993ND053398
Lab Information:
Certified Lab Pedon Description -
no
Lab Pedon # -
94P0191
NCSS Pedon Lab Data NASIS Record ID -
66379
Print Date:
2/17/2025
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:
47.3480568
Std. Longitude:
-103.5938873
Datum:
WGS84
Township:
145N
Range:
101W
Section:
30
PLSS Details:
1900 feet north and 1700 feet west of the southeast corner
State:
North Dakota
County:
ND053—McKenzie
MLRA:
58C—Northern Rolling High Plains, Northeastern Part
Non-MLRA Soil Survey Area:
ND053—McKenzie County, North Dakota
7.5 Minute USGS Quad:
47103-C5—Hanks Gully, North Dakota
PEDON
Describers Name:
FPA, WDB, CJH, MU, AG
Current Taxon Kind:
series
Pedon Type:
classifies to current taxon name, full description
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
398
Sampled As Information:
Soil Name -
Lonna
Taxonomic Class -
Fine-silty, mixed, nonacid Aridic Ustochrepts
PSC -
25 to 100 cm.
Classificaton Date -
10/6/1993
Moisture Class -
aridic (torric)
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landscape:
hills
Landform:
alluvial fan
Geomorphic Component Hills:
side slope
Hill Slope Profile:
footslope
Slope Position:
lower third
Slope Shape Across:
convex
Slope Shape Down:
linear
Runoff:
high
Drainage Class:
well
Flooding:
none flooding
Ponding:
none ponding
Surface Fragments:
0.00 percent
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
10/6/1993 (actual site observation date)
Air Photo ID:
189
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
Site Erosion Accelerated:
wind and water erosion
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
—
5—56
—-
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
10
—
—
—
—
45
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A—0 to 5 centimeters (0.0 to 2.0 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; moderate fine subangular blocky, and strong fine granular structure; slightly hard, friable, nonsticky, slightly plastic; low toughness; moderately rapid permeability; 7.0 very fine and fine roots throughout; 7.0 very fine high-continuity interstitial pores; fragments; noneffervescent; clear smooth boundary. Lab sample # 94P01171
Bw1—5 to 15 centimeters (2.0 to 5.9 inches); very dark grayish brown (10YR 3/2) broken face, dark grayish brown (10YR 4/2) broken face, dry; silty clay loam; moderate fine and medium subangular blocky parts to strong fine granular structure; slightly hard, firm, moderately sticky, moderately plastic; medium toughness; 5.0 very fine and fine roots throughout and 1.0 fine roots throughout; 5.0 very fine high-continuity interstitial pores; fragments; noneffervescent; gradual smooth boundary. Lab sample # 94P01172
Bw2—15 to 25 centimeters (5.9 to 9.8 inches); brown (10YR 4/3) crushed, brown (10YR 5/3) crushed, dry; silty clay loam; weak medium subangular blocky parts to moderate fine and medium subangular blocky structure; slightly hard, firm, moderately sticky, moderately plastic; medium toughness; 4.0 very fine roots throughout; 5.0 very fine tubular and 2.0 very fine moderate-continuity interstitial pores; fragments; strong effervescence; gradual smooth boundary. Lab sample # 94P01173
Bw3—25 to 56 centimeters (9.8 to 22.0 inches); olive brown (2.5Y 4/3) broken face, light olive brown (2.5Y 5/3) broken face, dry; silty clay loam; weak medium prismatic parts to moderate medium subangular blocky structure; slightly hard, firm, moderately sticky, moderately plastic; medium toughness; 4.0 very fine roots throughout; 4.0 very fine moderate-continuity tubular pores; 5 percent fine irregular carbonate masses throughout; fragments; violent effervescence; gradual wavy boundary. Lab sample # 94P01174
Bk1—56 to 86 centimeters (22.0 to 33.9 inches); olive brown (2.5Y 4/3) broken face, light olive brown (2.5Y 5/3) broken face, dry; silty clay loam; moderate coarse prismatic parts to weak medium prismatic parts to weak medium subangular blocky structure; slightly hard, firm, moderately sticky, moderately plastic; medium toughness; 3.0 very fine roots throughout; 4.0 very fine low-continuity tubular pores; 15 percent fine irregular carbonate masses throughout; fragments; violent effervescence; clear smooth boundary. Lab sample # 94P01175
Bk2—86 to 109 centimeters (33.9 to 42.9 inches); light olive brown (2.5Y 5/3) broken face, light yellowish brown (2.5Y 6/3) broken face, dry; silty clay loam; weak fine prismatic parts to weak medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; medium toughness; 1.0 very fine roots throughout; 4.0 fine low-continuity tubular pores; 15 percent fine irregular carbonate masses throughout; fragments; violent effervescence; gradual smooth boundary. Lab sample # 94P01176
C1—109 to 152 centimeters (42.9 to 59.8 inches); light olive brown (2.5Y 5/3) broken face, light yellowish brown (2.5Y 6/3) broken face, dry; silty clay loam; massive; slightly hard, friable, moderately sticky, moderately plastic; medium toughness; 1.0 very fine roots throughout; 4.0 fine low-continuity tubular pores; 10 percent fine irregular carbonate masses throughout; fragments; strong effervescence; gradual smooth boundary. Lab sample # 94P01177
C2—152 to 254 centimeters (59.8 to 100.0 inches); light olive brown (2.5Y 5/3) broken face, light yellowish brown (2.5Y 6/3) broken face, dry; silty clay loam; massive; slightly hard, friable, moderately sticky, moderately plastic; medium toughness; 3.0 fine low-continuity tubular pores; fragments; strong effervescence. Lab sample # 94P01178