Shannon County Area, South Dakota (SD613)
Map Unit
Symbol
Aa
AvE
Ba
Bk
Br
CaF
Cc
Cy
EhF
EkE
Er
GoA
Gr
HhA
HlA
KaB
KaC
KbC
KeA
KeB
KhD
KhE
KrA
KuC
Lm
Mm
OcE
Os
RaA
RaB
RdA
ReB
RkC
Te
TnA
TnC
TuA
TuB
TuC
U020G
Map Unit Name
Lohmiller silty clay loam, channeled, 0 to 2 percent
slopes
Anselmo-Valentine complex, 5 to 20 percent slopes
Badland-Denby-Interior complex, 0 to 90 percent slopes
Bankard loamy sand, 0 to 3 percent slopes
Badland
Canyon-Oglala association, 18 to 40 percent slopes
Canyon-Rock outcrop association, 18 to 40 percent
slopes
Denby silty clay, 0 to 4 percent slopes
Epping-Kadoka association, 9 to 40 percent slopes
Epping-Kadoka silt loams, 9 to 18 percent slopes
Epping-Rock outcrop complex, 9 to 40 percent slopes
Mobridge silt loam, 0 to 3 percent slopes
Nihill gravelly loam, 2 to 30 percent slopes
Haverson loam, 0 to 3 percent slopes, rarely flooded
Haverson loam, 0 to 3 percent slopes, occasionally
flooded
Kadoka silt loam, 3 to 5 percent slopes
Kadoka silt loam, 5 to 9 percent slopes
Kadoka-Epping silt loams, 3 to 9 percent slopes
Keith silt loam, 0 to 3 percent slopes
Keith silt loam, 3 to 5 percent slopes
Keith-Colby silt loams, 9 to 12 percent slopes
Keith-Colby silt loams, 12 to 18 percent slopes
Keith-Rosebud silt loams, 0 to 3 percent slopes
Keith-Ulysses silt loams, 5 to 9 percent slopes
Interior silt loam, 0 to 3 percent slopes
Mosher-Minatare complex, 0 to 6 percent slopes
Oglala-Canyon loams, 9 to 18 percent slopes
Orella-Shale outcrop complex, 3 to 18 percent slopes
Richfield-Altvan silt loams, 0 to 3 percent slopes
Richfield-Altvan silt loams, 3 to 5 percent slopes
Richfield-Dawes silt loams, 0 to 3 percent slopes
Rosebud-Canyon loams, 5 to 9 percent slopes
Rosebud-Keith silt loams, 3 to 9 percent slopes
Epping-Mitchell silt loams, 9 to 30 percent slopes
Tuthill-Anselmo fine sandy loams, 0 to 3 percent slopes
Tuthill-Anselmo fine sandy loams, 3 to 9 percent slopes
Tuthill-Manter fine sandy loams, 0 to 3 percent slopes
Tuthill-Manter fine sandy loams, 3 to 5 percent slopes
Tuthill-Manter fine sandy loams, 5 to 9 percent slopes
Badland
Acres in Percent K
AOI
of AOI factor
0.43
1,232.7 1.4%
2,362.3 2.7%
3,982.2 4.5%
11.0
0.0%
4,163.4 4.7%
10,460.2 11.8%
5,256.8 5.9%
648.9 0.7%
3,266.0 3.7%
10,615.7 12.0%
1,568.9 1.8%
163.1 0.2%
890.0 1.0%
30.5
0.0%
450.8
0.5%
669.9 0.8%
903.3 1.0%
2,848.2 3.2%
3,477.3 3.9%
1,746.4 2.0%
5,711.2 6.4%
919.9 1.0%
32.5
0.0%
1,985.0 2.2%
1,832.8 2.1%
879.8 1.0%
11,329.3 12.8%
331.5 0.4%
601.7 0.7%
597.4 0.7%
701.5 0.8%
1,590.4 1.8%
218.1 0.2%
410.0 0.5%
4.6
0.0%
40.2
0.0%
107.7 0.1%
94.9
0.1%
434.0 0.5%
184.9 0.2%
0.2
0.1
0.2
0.1
0.32
0.32
0.37
0.43
0.43
0.43
0.43
0.24
0.28
0.43
0.43
0.43
0.43
0.43
0.43
0.43
0.43
0.43
0.43
0.37
0.43
0.43
0.43
0.43
0.37
0.37
0.43
0.20
0.20
0.32
0.10
Shannon County Area, South Dakota (SD613)
Map Unit
Symbol
U110A
U110B
U192G
U215F
U325B
U360F
U545E
Vs
W
Ww
Map Unit Name
Cedarpass silt loam, 0 to 3 percent
Cedarpass silt loam, 3 to 6 percent slopes
Epping-Keota-Badland complex, moist, 9 to 50 percent
slopes
Epping, moist-Badland complex, 9 to 40 percent slopes
Interior loam, channeled, 0 to 6 percent slopes, flooded
Keota, thick surface-Epping-Badland complex, moist, 9
to 40 percent slopes
Oglala-Canyon, moist loams, 9 to 25 percent
Valentine sand, 3 to 30 percent slopes
Water
Wortman-Wanblee silt loams, 0 to 6 percent slopes
Shannon County Area, South Dakota
CaF—Canyon-Oglala association, 18 to 40 percent slopes
Map Unit Setting




Elevation: 2,950 to 3,940 feet
Mean annual precipitation: 13 to 19 inches
Mean annual air temperature: 43 to 50 degrees F
Frost-free period: 135 to 145 days
Map Unit Composition



Canyon and similar soils: 50 percent
Oglala and similar soils: 30 percent
Minor components: 20 percent
Description of Canyon
Setting





Landform: Ridges
Landform position (two-dimensional): Summit, shoulder
Down-slope shape: Convex
Across-slope shape: Convex
Parent material: Residuum weathered from calcareous sandstone
Acres in
AOI
4.5
25.5
940.0
Percent K
of AOI factor
0.0%
0.0%
0.43
1.1%
2.5
0.0%
3,646.0 4.1%
39.3
0.0%
56.5
737.8
65.6
349.2
0.1%
0.8%
0.1%
0.4%
0.43
0.15
0.37
Properties and qualities










Slope: 18 to 40 percent
Depth to restrictive feature: 6 to 20 inches to paralithic bedrock
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately high (0.20 to
0.57 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum content: 10 percent
Maximum salinity: Nonsaline (0.0 to 2.0 mmhos/cm)
Available water capacity: Very low (about 1.8 inches)
Interpretive groups





Farmland classification: Not prime farmland
Land capability (nonirrigated): 7e
Hydrologic Soil Group: D
Ecological site: Shallow (R064XY040NE)
Other vegetative classification: Not suited (G064XY000NE)
Typical profile



0 to 4 inches: Loam
4 to 10 inches: Loam
10 to 60 inches: Weathered bedrock
Description of Oglala
Setting





Landform: Hills
Landform position (two-dimensional): Backslope
Down-slope shape: Linear
Across-slope shape: Linear
Parent material: Residuum weathered from sandstone
Properties and qualities






Slope: 18 to 40 percent
Depth to restrictive feature: 40 to 60 inches to paralithic bedrock
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately low to high
(0.06 to 1.98 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None




Frequency of ponding: None
Calcium carbonate, maximum content: 10 percent
Maximum salinity: Nonsaline (0.0 to 2.0 mmhos/cm)
Available water capacity: Moderate (about 8.7 inches)
Interpretive groups





Farmland classification: Not prime farmland
Land capability (nonirrigated): 6e
Hydrologic Soil Group: B
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Not suited (G064XY000NE)
Typical profile



0 to 7 inches: Loam
7 to 48 inches: Very fine sandy loam
48 to 60 inches: Weathered bedrock
Minor Components
Rosebud







Percent of map unit: 11 percent
Landform: Hills
Landform position (two-dimensional): Backslope
Down-slope shape: Linear
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Rock outcrop



Percent of map unit: 4 percent
Ecological site: Non-site (R064XY999NE)
Other vegetative classification: Not suited (G064XY000NE)
Ulysses







Percent of map unit: 2 percent
Landform: Hills
Landform position (two-dimensional): Backslope
Down-slope shape: Linear
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Colby







Percent of map unit: 2 percent
Landform: Ridges
Landform position (two-dimensional): Summit, shoulder
Down-slope shape: Convex
Across-slope shape: Convex
Ecological site: Thin Upland (R064XY037NE)
Other vegetative classification: Not suited (G064XY000NE)
Mobridge







Percent of map unit: 1 percent
Landform: Drainageways
Landform position (two-dimensional): Footslope
Down-slope shape: Concave
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Shannon County Area, South Dakota
Cc—Canyon-Rock outcrop association, 18 to 40 percent slopes
Map Unit Setting




Elevation: 2,950 to 3,940 feet
Mean annual precipitation: 13 to 19 inches
Mean annual air temperature: 43 to 50 degrees F
Frost-free period: 135 to 145 days
Map Unit Composition



Canyon and similar soils: 45 percent
Rock outcrop, sandstone: 25 percent
Minor components: 30 percent
Description of Canyon
Setting





Landform: Ridges
Landform position (two-dimensional): Shoulder, summit
Down-slope shape: Convex
Across-slope shape: Convex
Parent material: Residuum weathered from calcareous sandstone
Properties and qualities










Slope: 18 to 40 percent
Depth to restrictive feature: 6 to 20 inches to paralithic bedrock
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately high (0.20 to
0.57 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum content: 10 percent
Maximum salinity: Nonsaline (0.0 to 2.0 mmhos/cm)
Available water capacity: Very low (about 1.8 inches)
Interpretive groups





Farmland classification: Not prime farmland
Land capability (nonirrigated): 7e
Hydrologic Soil Group: D
Ecological site: Shallow (R064XY040NE)
Other vegetative classification: Not suited (G064XY000NE)
Typical profile



0 to 4 inches: Loam
4 to 10 inches: Loam
10 to 60 inches: Weathered bedrock
Description of Rock Outcrop, Sandstone
Properties and qualities








Slope: 18 to 40 percent
Depth to restrictive feature: 0 to 1 inches to paralithic bedrock
Drainage class: Excessively drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high
(0.20 to 1.98 in/hr)
Calcium carbonate, maximum content: 15 percent
Gypsum, maximum content: 1 percent
Maximum salinity: Nonsaline (0.0 to 2.0 mmhos/cm)
Available water capacity: Very low (about 0.0 inches)
Interpretive groups





Farmland classification: Not prime farmland
Land capability (nonirrigated): 8s
Hydrologic Soil Group: D
Ecological site: Non-site (R064XY999NE)
Other vegetative classification: Not suited (G064XY000NE)
Typical profile

0 to 60 inches: Weathered bedrock
Minor Components
Oglala







Percent of map unit: 15 percent
Landform: Hills
Landform position (two-dimensional): Backslope
Down-slope shape: Linear
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Not suited (G064XY000NE)
Mobridge







Percent of map unit: 3 percent
Landform: Swales
Landform position (two-dimensional): Footslope
Down-slope shape: Concave
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Keith







Percent of map unit: 3 percent
Landform: Hills
Landform position (two-dimensional): Backslope
Down-slope shape: Linear
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Lohmiller, channeled

Percent of map unit: 3 percent






Landform: Flood plains
Landform position (two-dimensional): Toeslope
Down-slope shape: Linear
Across-slope shape: Linear
Ecological site: Loamy Overflow (R064XY026NE)
Other vegetative classification: Overflow (G064XY500NE)
Rosebud







Percent of map unit: 3 percent
Landform: Hills
Landform position (two-dimensional): Backslope
Down-slope shape: Linear
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Colby







Percent of map unit: 3 percent
Landform: Ridges
Landform position (two-dimensional): Summit, shoulder
Down-slope shape: Convex
Across-slope shape: Convex
Ecological site: Thin Upland (R064XY037NE)
Other vegetative classification: Not suited (G064XY000NE)
Shannon County Area, South Dakota
EkE—Epping-Kadoka silt loams, 9 to 18 percent slopes
Map Unit Setting




Elevation: 2,950 to 3,940 feet
Mean annual precipitation: 13 to 19 inches
Mean annual air temperature: 43 to 50 degrees F
Frost-free period: 135 to 145 days
Map Unit Composition

Epping and similar soils: 50 percent


Kadoka and similar soils: 40 percent
Minor components: 10 percent
Description of Epping
Setting





Landform: Hills
Landform position (two-dimensional): Shoulder, summit
Down-slope shape: Convex
Across-slope shape: Convex
Parent material: Residuum weathered from siltstone
Properties and qualities









Slope: 9 to 15 percent
Depth to restrictive feature: 10 to 20 inches to paralithic bedrock
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately low to
moderately high (0.06 to 0.20 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum content: 10 percent
Available water capacity: Very low (about 1.2 inches)
Interpretive groups





Farmland classification: Not prime farmland
Land capability (nonirrigated): 6e
Hydrologic Soil Group: D
Ecological site: Shallow (R064XY040NE)
Other vegetative classification: Not suited (G064XY000NE)
Typical profile



0 to 2 inches: Silt loam
2 to 6 inches: Silt loam
6 to 60 inches: Weathered bedrock
Description of Kadoka
Setting



Landform: Hills
Landform position (two-dimensional): Backslope, summit
Down-slope shape: Linear


Across-slope shape: Linear
Parent material: Residuum weathered from siltstone
Properties and qualities










Slope: 9 to 15 percent
Depth to restrictive feature: 20 to 40 inches to paralithic bedrock
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately low to
moderately high (0.06 to 0.57 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum content: 15 percent
Maximum salinity: Nonsaline (0.0 to 2.0 mmhos/cm)
Available water capacity: Low (about 5.6 inches)
Interpretive groups





Farmland classification: Not prime farmland
Land capability (nonirrigated): 4e
Hydrologic Soil Group: B
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Typical profile




0 to 3 inches: Silt loam
3 to 8 inches: Silty clay loam
8 to 30 inches: Silt loam
30 to 60 inches: Weathered bedrock
Minor Components
Keith







Percent of map unit: 2 percent
Landform: Hills
Landform position (two-dimensional): Backslope
Down-slope shape: Linear
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Ulysses

Percent of map unit: 2 percent






Landform: Ridges
Landform position (two-dimensional): Summit
Down-slope shape: Convex
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Mobridge







Percent of map unit: 2 percent
Landform: Drainageways
Landform position (two-dimensional): Footslope
Down-slope shape: Concave
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Colby







Percent of map unit: 2 percent
Landform: Hills
Landform position (two-dimensional): Shoulder, summit
Down-slope shape: Convex
Across-slope shape: Convex
Ecological site: Thin Upland (R064XY037NE)
Other vegetative classification: Not suited (G064XY000NE)
Wortman







Percent of map unit: 1 percent
Landform: Hills
Landform position (two-dimensional): Footslope
Down-slope shape: Concave
Across-slope shape: Linear
Ecological site: Claypan (R064XY044NE)
Other vegetative classification: Claypan (G064XY800NE)
Wanblee







Percent of map unit: 1 percent
Landform: Hills
Landform position (two-dimensional): Footslope
Down-slope shape: Concave
Across-slope shape: Linear
Ecological site: Thin Claypan (R064XY046NE)
Other vegetative classification: Not suited (G064XY000NE)
Shannon County Area, South Dakota
KhD—Keith-Colby silt loams, 9 to 12 percent slopes
Map Unit Setting




Elevation: 2,950 to 3,940 feet
Mean annual precipitation: 13 to 19 inches
Mean annual air temperature: 43 to 50 degrees F
Frost-free period: 135 to 145 days
Map Unit Composition



Keith and similar soils: 50 percent
Colby and similar soils: 35 percent
Minor components: 15 percent
Description of Keith
Setting





Landform: Hills
Landform position (two-dimensional): Backslope
Down-slope shape: Linear
Across-slope shape: Linear
Parent material: Loess
Properties and qualities









Slope: 9 to 11 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately low to high
(0.06 to 1.98 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum content: 10 percent
Available water capacity: High (about 10.5 inches)
Interpretive groups





Farmland classification: Not prime farmland
Land capability (nonirrigated): 4e
Hydrologic Soil Group: B
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Typical profile



0 to 7 inches: Silt loam
7 to 28 inches: Silty clay loam
28 to 60 inches: Silty clay loam
Description of Colby
Setting





Landform: Hills
Landform position (two-dimensional): Shoulder, summit
Down-slope shape: Convex
Across-slope shape: Convex
Parent material: Calcareous loess
Properties and qualities









Slope: 9 to 12 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high
(0.57 to 1.98 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum content: 45 percent
Available water capacity: Very high (about 12.0 inches)
Interpretive groups





Farmland classification: Not prime farmland
Land capability (nonirrigated): 6e
Hydrologic Soil Group: B
Ecological site: Thin Upland (R064XY037NE)
Other vegetative classification: Limy Upland (G064XY400NE)
Typical profile


0 to 4 inches: Silt loam
4 to 60 inches: Silt loam
Minor Components
Canyon







Percent of map unit: 3 percent
Landform: Hills
Landform position (two-dimensional): Shoulder
Down-slope shape: Convex
Across-slope shape: Convex
Ecological site: Shallow (R064XY040NE)
Other vegetative classification: Not suited (G064XY000NE)
Mobridge







Percent of map unit: 3 percent
Landform: Swales
Landform position (two-dimensional): Footslope
Down-slope shape: Concave
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Epping







Percent of map unit: 3 percent
Landform: Hills
Landform position (two-dimensional): Shoulder
Down-slope shape: Convex
Across-slope shape: Convex
Ecological site: Shallow (R064XY040NE)
Other vegetative classification: Not suited (G064XY000NE)
Oglala





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Percent of map unit: 2 percent
Landform: Hills
Landform position (two-dimensional): Shoulder
Down-slope shape: Convex
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Not suited (G064XY000NE)
Ulysses
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Percent of map unit: 2 percent
Landform: Hills
Landform position (two-dimensional): Backslope
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Down-slope shape: Linear
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Kadoka
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Percent of map unit: 2 percent
Landform: Hills
Landform position (two-dimensional): Shoulder
Down-slope shape: Convex
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Shannon County Area, South Dakota
OcE—Oglala-Canyon loams, 9 to 18 percent slopes
Map Unit Setting
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Elevation: 2,950 to 3,940 feet
Mean annual precipitation: 13 to 19 inches
Mean annual air temperature: 43 to 50 degrees F
Frost-free period: 135 to 145 days
Map Unit Composition
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Oglala and similar soils: 50 percent
Canyon and similar soils: 35 percent
Minor components: 15 percent
Description of Oglala
Setting
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Landform: Hills
Landform position (two-dimensional): Backslope
Down-slope shape: Linear
Across-slope shape: Linear
Parent material: Residuum weathered from sandstone
Properties and qualities
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Slope: 15 to 18 percent
Depth to restrictive feature: 40 to 60 inches to paralithic bedrock
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately low to high
(0.06 to 1.98 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum content: 10 percent
Maximum salinity: Nonsaline (0.0 to 2.0 mmhos/cm)
Available water capacity: Moderate (about 8.7 inches)
Interpretive groups
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Farmland classification: Not prime farmland
Land capability (nonirrigated): 6e
Hydrologic Soil Group: B
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Not suited (G064XY000NE)
Typical profile
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0 to 7 inches: Loam
7 to 48 inches: Very fine sandy loam
48 to 60 inches: Weathered bedrock
Description of Canyon
Setting
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Landform: Hills
Landform position (two-dimensional): Shoulder, summit
Down-slope shape: Convex
Across-slope shape: Convex
Parent material: Residuum weathered from calcareous sandstone
Properties and qualities
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Slope: 9 to 15 percent
Depth to restrictive feature: 6 to 20 inches to paralithic bedrock
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately high (0.20 to
0.57 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
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Frequency of ponding: None
Calcium carbonate, maximum content: 10 percent
Maximum salinity: Nonsaline (0.0 to 2.0 mmhos/cm)
Available water capacity: Very low (about 1.8 inches)
Interpretive groups
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Farmland classification: Not prime farmland
Land capability (nonirrigated): 6e
Hydrologic Soil Group: D
Ecological site: Shallow (R064XY040NE)
Other vegetative classification: Not suited (G064XY000NE)
Typical profile
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0 to 4 inches: Loam
4 to 10 inches: Loam
10 to 60 inches: Weathered bedrock
Minor Components
Ulysses
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Percent of map unit: 3 percent
Landform: Hills
Landform position (two-dimensional): Summit
Down-slope shape: Convex
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Mobridge
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Percent of map unit: 3 percent
Landform: Swales
Landform position (two-dimensional): Footslope
Down-slope shape: Concave
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Rosebud
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Percent of map unit: 3 percent
Landform: Hills
Landform position (two-dimensional): Backslope
Down-slope shape: Linear
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Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Keith
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Percent of map unit: 3 percent
Landform: Hills
Landform position (two-dimensional): Backslope
Down-slope shape: Linear
Across-slope shape: Linear
Ecological site: Loamy 17-20 P.Z. (R064XY036NE)
Other vegetative classification: Loam (G064XY100NE)
Colby
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Percent of map unit: 3 percent
Landform: Hills
Landform position (two-dimensional): Summit
Down-slope shape: Convex
Across-slope shape: Convex
Ecological site: Thin Upland (R064XY037NE)
Other vegetative classification: Not suited (G064XY000NE)