Major Land Resource Area 058D

Northern Rolling High Plains, Eastern Part

Accessed: 11/21/2024

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Ecological site list

Provisional

R058DY002SD/R058DY002SD

Wet Land
i
Key Characteristics
1. RUN-IN LANDSCAPE POSITIONS (Bottomlands, Drainageways, etc., not depressions, Toe slope)
2. Observe the soil profile to a depth of 60 inches. Is there evidence of a permanent water table within 1-2 feet of the surface and the site is dominated by hydrophytes?
3. Yes.
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Provisional

R058DY004SD/R058DY004SD

Wet Meadow
i
Key Characteristics
1. OTHER LANDSCAPE POSITIONS (Basin, Depression, Normal, Run-off and/or Run-in, All Hillslope Positions except Shoulder)
2. Dig a hole to 20 inches. Does the soil have a claypan within 16 inches?
3. No. Is the area in a basin or closed depression with no outlet?
4. Yes. Does the site pond water for 4 to 8 weeks in the spring or after heavy rain and have a high organic matter content?
5. Yes.
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Provisional

R058DY007SD/R058DY007SD

Saline Lowland
i
Key Characteristics
1. RUN-IN LANDSCAPE POSITIONS (Bottomlands, Drainageways, etc., not depressions, Toe slope)
2. Observe the soil profile to a depth of 60 inches. Is there evidence of a permanent water table within 1-2 feet of the surface and the site is dominated by hydrophytes?
3. No. Does water flow into and over/through the site?
4. Yes. Are there visible salts within 16 inches of the surface and permanently moist soil at 4 to 5 feet?
5. Yes.
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Provisional

R058DY008SD/R058DY008SD

Sands
i
Key Characteristics
1. NORMAL LANDSCAPE POSITIONS in Both Precipitation Zones (Upland, slopes normally linear, 1-6 percent except Sandy/Sands sites can have complex slopes up to 15 percent, Backslope, Summit, Footslope)
2. Dig hole to 20 inches. Are there visible salts within 16 inches of the surface?
3. No. What is the surface and subsoil texture?
4. Clay or Silty Clay (40 to 55% clay) Surface (1.75 – 3.0” ribbon) with Clayey Subsoil?
5. No. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?
6. No. Sandy loam, Fine sandy loam, Loamy very fine sand (0.25-0.5” ribbon)?
7. No. Sand, Fine sand, Loamy fine sand, Loamy sand 1 (no ribbon) and with slopes <16 percent?
8. Loamy fine sand, and Loamy sand have a surface textures with a mollic epipedon (dark colored surface at least 10 inches thick - Mollisol)
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Provisional

R058DY009SD/R058DY009SD

Sandy
i
Key Characteristics
1. NORMAL LANDSCAPE POSITIONS in Both Precipitation Zones (Upland, slopes normally linear, 1-6 percent except Sandy/Sands sites can have complex slopes up to 15 percent, Backslope, Summit, Footslope)
2. Dig hole to 20 inches. Are there visible salts within 16 inches of the surface?
3. No. What is the surface and subsoil texture?
4. Clay or Silty Clay (40 to 55% clay) Surface (1.75 – 3.0” ribbon) with Clayey Subsoil?
5. No. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?
6. No. Sandy loam, Fine sandy loam, Loamy very fine sand (0.25-0.5” ribbon)?
7. Yes. Is the site a low stream terrace?
8. No.
9. NORMAL LANDSCAPE POSITIONS in Both Precipitation Zones (Upland, slopes normally linear, 1-6 percent except Sandy/Sands sites can have complex slopes up to 15 percent, Backslope, Summit, Footslope)
10. Dig hole to 20 inches. Are there visible salts within 16 inches of the surface?
11. No. What is the surface and subsoil texture?
12. Clay or Silty Clay (40 to 55% clay) Surface (1.75 – 3.0” ribbon) with Clayey Subsoil?
13. No. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?
14. No. Sandy loam, Fine sandy loam, Loamy very fine sand (0.25-0.5” ribbon)?
15. No. Sand, Fine sand, Loamy fine sand, Loamy sand 1 (no ribbon) and with slopes <16 percent?
16. Yes. Sand, Fine sand, Loamy fine sand, Loamy sand; no mollic epipedon epipedon
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Provisional

R058DY010SD/R058DY010SD

Loamy
i
Key Characteristics
1. NORMAL LANDSCAPE POSITIONS in Both Precipitation Zones (Upland, slopes normally linear, 1-6 percent except Sandy/Sands sites can have complex slopes up to 15 percent, Backslope, Summit, Footslope)
2. Dig hole to 20 inches. Are there visible salts within 16 inches of the surface?
3. No. What is the surface and subsoil texture?
4. Clay or Silty Clay (40 to 55% clay) Surface (1.75 – 3.0” ribbon) with Clayey Subsoil?
5. No. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?
6. Yes. Is the site an old stream terrace?
7. No.
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Provisional

R058DY011SD/R058DY011SD

Clayey

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Provisional

R058DY012SD/R058DY012SD

Thin Loamy
i
Key Characteristics
1. RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder)
2. Dig hole to a depth of 20 inches minimum. Is there a root restrictive layer within 10 inches of the soil surface?
3. No. Is there a root restricting layer within 10-20 inches of the surface?
4. No. Is the soil > 20 inches in depth with a thin surface layer (< 3” ) and effervesce at or near the surface (within 6 inches)?
5. Yes.
6. With Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam surface texture
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Provisional

R058DY013SD/R058DY013SD

Claypan
i
Key Characteristics
1. OTHER LANDSCAPE POSITIONS (Basin, Depression, Normal, Run-off and/or Run-in, All Hillslope Positions except Shoulder)
2. Dig a hole to 20 inches. Does the soil have a claypan within 16 inches?
3. Yes. Is it in a closed depression?
4. No. Is the claypan within 4 inches of the surface?
5. No.
6. Claypan is deeper than 4 inches
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Provisional

R058DY015SD/R058DY015SD

Thin Claypan
i
Key Characteristics
1. OTHER LANDSCAPE POSITIONS (Basin, Depression, Normal, Run-off and/or Run-in, All Hillslope Positions except Shoulder)
2. Dig a hole to 20 inches. Does the soil have a claypan within 16 inches?
3. Yes. Is it in a closed depression?
4. No. Is the claypan within 4 inches of the surface?
5. Yes.
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Provisional

R058DY016SD/R058DY016SD

Very Shallow
i
Key Characteristics
1. RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder)
2. Dig hole to a depth of 20 inches minimum. Is there a root restrictive layer within 10 inches of the soil surface?
3. Yes.
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Provisional

R058DY017SD/R058DY017SD

Shallow Clayey
i
Key Characteristics
1. RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder)
2. Dig hole to a depth of 20 inches minimum. Is there a root restrictive layer within 10 inches of the soil surface?
3. No. Is there a root restricting layer within 10-20 inches of the surface?
4. Yes. Is the soil derived from shale with weathered shale chips below 4” in the soil profile and the soil is calcareous? Clayey surface texture (2-3” ribbon)?
5. Yes.
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Provisional

R058DY019SD/R058DY019SD

Closed Depression
i
Key Characteristics
1. OTHER LANDSCAPE POSITIONS (Basin, Depression, Normal, Run-off and/or Run-in, All Hillslope Positions except Shoulder)
2. Dig a hole to 20 inches. Does the soil have a claypan within 16 inches?
3. Yes. Is it in a closed depression?
4. Yes.
5. OTHER LANDSCAPE POSITIONS (Basin, Depression, Normal, Run-off and/or Run-in, All Hillslope Positions except Shoulder)
6. Dig a hole to 20 inches. Does the soil have a claypan within 16 inches?
7. No. Is the area in a basin or closed depression with no outlet?
8. Yes. Does the site pond water for 4 to 8 weeks in the spring or after heavy rain and have a high organic matter content?
9. No. Does the site pond water briefly after snowmelt or heavy rain or during abnormally wet years?
10. Yes.
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Provisional

R058DY020SD/R058DY020SD

Loamy Overflow
i
Key Characteristics
1. RUN-IN LANDSCAPE POSITIONS (Bottomlands, Drainageways, etc., not depressions, Toe slope)
2. Observe the soil profile to a depth of 60 inches. Is there evidence of a permanent water table within 1-2 feet of the surface and the site is dominated by hydrophytes?
3. No. Does water flow into and over/through the site?
4. Yes. Are there visible salts within 16 inches of the surface and permanently moist soil at 4 to 5 feet?
5. No. Does the site occasionally flood?
6. Yes, loamy textures.
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Provisional

R058DY021SD/R058DY021SD

Clayey Overflow
i
Key Characteristics
1. RUN-IN LANDSCAPE POSITIONS (Bottomlands, Drainageways, etc., not depressions, Toe slope)
2. Observe the soil profile to a depth of 60 inches. Is there evidence of a permanent water table within 1-2 feet of the surface and the site is dominated by hydrophytes?
3. No. Does water flow into and over/through the site?
4. Yes. Are there visible salts within 16 inches of the surface and permanently moist soil at 4 to 5 feet?
5. No. Does the site occasionally flood?
6. Yes, clayey textures.
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Provisional

R058DY022SD/R058DY022SD

Loamy Terrace
i
Key Characteristics
1. NORMAL LANDSCAPE POSITIONS in Both Precipitation Zones (Upland, slopes normally linear, 1-6 percent except Sandy/Sands sites can have complex slopes up to 15 percent, Backslope, Summit, Footslope)
2. Dig hole to 20 inches. Are there visible salts within 16 inches of the surface?
3. No. What is the surface and subsoil texture?
4. Clay or Silty Clay (40 to 55% clay) Surface (1.75 – 3.0” ribbon) with Clayey Subsoil?
5. No. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?
6. Yes. Is the site an old stream terrace?
7. Yes.
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Provisional

R058DY024SD/R058DY024SD

Shallow Loamy
i
Key Characteristics
1. RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder)
2. Dig hole to a depth of 20 inches minimum. Is there a root restrictive layer within 10 inches of the soil surface?
3. No. Is there a root restricting layer within 10-20 inches of the surface?
4. Yes. Is the soil derived from shale with weathered shale chips below 4” in the soil profile and the soil is calcareous? Clayey surface texture (2-3” ribbon)?
5. No. Is the soil surface 10 to 20 inches with a Clay loam, Silty clay loam, Sandy clay loam or Silty texture (1-1.5” ribbon)?
6. Yes. Shallow
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Provisional

R058DY026SD/R058DY026SD

Thin Sandy
i
Key Characteristics
1. RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder)
2. Dig hole to a depth of 20 inches minimum. Is there a root restrictive layer within 10 inches of the soil surface?
3. No. Is there a root restricting layer within 10-20 inches of the surface?
4. No. Is the soil > 20 inches in depth with a thin surface layer (< 3” ) and effervesce at or near the surface (within 6 inches)?
5. Yes.
6. With Sandy loam, Fine sandy loam, Loamy very fine sand
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Provisional

R058DY027SD/R058DY027SD

Sandy Claypan
i
Key Characteristics
1. OTHER LANDSCAPE POSITIONS (Basin, Depression, Normal, Run-off and/or Run-in, All Hillslope Positions except Shoulder)
2. Dig a hole to 20 inches. Does the soil have a claypan within 16 inches?
3. Yes. Is it in a closed depression?
4. No. Is the claypan within 4 inches of the surface?
5. No.
6. If surface texture is sandy
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Provisional

R058DY028SD/R058DY028SD

Shallow Sandy
i
Key Characteristics
1. RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder)
2. Dig hole to a depth of 20 inches minimum. Is there a root restrictive layer within 10 inches of the soil surface?
3. No. Is there a root restricting layer within 10-20 inches of the surface?
4. Yes. Is the soil derived from shale with weathered shale chips below 4” in the soil profile and the soil is calcareous? Clayey surface texture (2-3” ribbon)?
5. No. Is the soil surface 10 to 20 inches with a Clay loam, Silty clay loam, Sandy clay loam or Silty texture (1-1.5” ribbon)?
6. No. Sandy loam or Loamy sand texture (0.25-0.5” ribbon)?
7. Yes.
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Provisional

R058DY029SD/R058DY029SD

Stony Hills
i
Key Characteristics
1. RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder)
2. Dig hole to a depth of 20 inches minimum. Is there a root restrictive layer within 10 inches of the soil surface?
3. No. Is there a root restricting layer within 10-20 inches of the surface?
4. No. Is the soil > 20 inches in depth with a thin surface layer (< 3” ) and effervesce at or near the surface (within 6 inches)?
5. No. Is the soil sandy with gravelly subsurface and contains cobbles and stones to the surface?
6. Yes.
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Provisional

R058DY030SD/R058DY030SD

Choppy Sands
i
Key Characteristics
1. RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder)
2. Dig hole to a depth of 20 inches minimum. Is there a root restrictive layer within 10 inches of the soil surface?
3. No. Is there a root restricting layer within 10-20 inches of the surface?
4. No. Is the soil > 20 inches in depth with a thin surface layer (< 3” ) and effervesce at or near the surface (within 6 inches)?
5. No. Is the soil sandy with gravelly subsurface and contains cobbles and stones to the surface?
6. No. Is the soil very sandy with slopes >15 percent, commonly with blowouts?
7. Yes.
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Provisional

R058DY031SD/R058DY031SD

Sandy Terrace
i
Key Characteristics
1. NORMAL LANDSCAPE POSITIONS in Both Precipitation Zones (Upland, slopes normally linear, 1-6 percent except Sandy/Sands sites can have complex slopes up to 15 percent, Backslope, Summit, Footslope)
2. Dig hole to 20 inches. Are there visible salts within 16 inches of the surface?
3. No. What is the surface and subsoil texture?
4. Clay or Silty Clay (40 to 55% clay) Surface (1.75 – 3.0” ribbon) with Clayey Subsoil?
5. No. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?
6. No. Sandy loam, Fine sandy loam, Loamy very fine sand (0.25-0.5” ribbon)?
7. Yes. Is the site a low stream terrace?
8. Yes.
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Provisional

R058DY999SD/R058DY999SD

Non-site

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Ecological site keys

MLRA 058D - Northern Rolling High Plains East. (Run-off, Normal, Run-in, and Other Landscape Positions)

I. RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder)

A. Dig hole to a depth of 20 inches minimum. Is there a root restrictive layer within 10 inches of the soil surface?

1 Yes. ... R058DY016SD – Very Shallow

2 No. Is there a root restricting layer within 10-20 inches of the surface?

i. Yes. Is the soil derived from shale with weathered shale chips below 4” in the soil profile and the soil is calcareous? Clayey surface texture (2-3” ribbon)?

a. Yes. ... R058DY017SD – Shallow Clayey

b. No. Is the soil surface 10 to 20 inches with a Clay loam, Silty clay loam, Sandy clay loam or Silty texture (1-1.5” ribbon)?

1) Yes. Shallow ... R058DY024SD – Shallow Loamy

2) No. Sandy loam or Loamy sand texture (0.25-0.5” ribbon)?

a) Yes. ... R058DY028SD – Shallow Sandy

ii. No. Is the soil > 20 inches in depth with a thin surface layer (< 3” ) and effervesce at or near the surface (within 6 inches)?

a. Yes.

1) With Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam surface texture ... R058DY012SD – Thin Loamy

2) With Sandy loam, Fine sandy loam, Loamy very fine sand ... R058DY026SD – Thin Sandy

b. No. Is the soil sandy with gravelly subsurface and contains cobbles and stones to the surface?

1) Yes. ... R058DY029SD – Stony Hills

2) No. Is the soil very sandy with slopes >15 percent, commonly with blowouts?

a) Yes. ... R058DY030SD – Choppy Sands

b) No. See “Normal Landscape Positions”

II. NORMAL LANDSCAPE POSITIONS in Both Precipitation Zones (Upland, slopes normally linear, 1-6 percent except Sandy/Sands sites can have complex slopes up to 15 percent, Backslope, Summit, Footslope)

A. Dig hole to 20 inches. Are there visible salts within 16 inches of the surface?

1 Yes. Is there a claypan within 16 inches of the surface?

i. Yes. See “Other Landscape Positions”

2 No. What is the surface and subsoil texture?

i. Clay or Silty Clay (40 to 55% clay) Surface (1.75 – 3.0” ribbon) with Clayey Subsoil?

a. Yes.

b. No. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?

1) Yes. Is the site an old stream terrace?

a) No. ... R058DY010SD – Loamy

b) Yes. ... R058DY022SD – Loamy Terrace

2) No. Sandy loam, Fine sandy loam, Loamy very fine sand (0.25-0.5” ribbon)?

a) Yes. Is the site a low stream terrace?

(1) No. ... R058DY009SD – Sandy

(2) Yes. ... R058DY031SD – Sandy Terrace

b) No. Sand, Fine sand, Loamy fine sand, Loamy sand 1 (no ribbon) and with slopes <16 percent?

(1) Loamy fine sand, and Loamy sand have a surface textures with a mollic epipedon (dark colored surface at least 10 inches thick - Mollisol) ... R058DY008SD – Sands

(2) Yes. Sand, Fine sand, Loamy fine sand, Loamy sand; no mollic epipedon epipedon ... R058DY009SD – Sandy

III. RUN-IN LANDSCAPE POSITIONS (Bottomlands, Drainageways, etc., not depressions, Toe slope)

A. Observe the soil profile to a depth of 60 inches. Is there evidence of a permanent water table within 1-2 feet of the surface and the site is dominated by hydrophytes?

1 Yes. ... R058DY002SD – Wet Land

2 No. Does water flow into and over/through the site?

i. No. See “Other Landscape Positions”

ii. Yes. Are there visible salts within 16 inches of the surface and permanently moist soil at 4 to 5 feet?

a. Yes. ... R058DY007SD – Saline Lowland

b. No. Does the site occasionally flood?

1) Yes, loamy textures. ... R058DY020SD – Loamy Overflow

2) Yes, clayey textures. ... R058DY021SD – Clayey Overflow

3) Site does not occasionally flood, go to "Other Landscapes".

IV. OTHER LANDSCAPE POSITIONS (Basin, Depression, Normal, Run-off and/or Run-in, All Hillslope Positions except Shoulder)

A. Dig a hole to 20 inches. Does the soil have a claypan within 16 inches?

1 Yes. Is it in a closed depression?

i. No. Is the claypan within 4 inches of the surface?

a. Yes. ... R058DY015SD – Thin Claypan

b. No.

1) Claypan is deeper than 4 inches ... R058DY013SD – Claypan

2) If surface texture is sandy ... R058DY027SD – Sandy Claypan

ii. Yes. ... R058DY019SD – Closed Depression

2 No. Is the area in a basin or closed depression with no outlet?

i. No. Re-think your Landscape Position and start again.

ii. Yes. Does the site pond water for 4 to 8 weeks in the spring or after heavy rain and have a high organic matter content?

a. Yes. ... R058DY004SD – Wet Meadow

b. No. Does the site pond water briefly after snowmelt or heavy rain or during abnormally wet years?

1) Yes. ... R058DY019SD – Closed Depression

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