Major Land Resource Area 047X

Wasatch and Uinta Mountains

Accessed: 12/21/2024

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Land Resource Regions and Major Land Resource Areas of the United States, the Caribbean, and the Pacific Basin

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Ecological site group list

Provisional

047XESG01

Bottoms
i
Key Characteristics
1. Additional water
2. Ephemeral water
3. Subsurface EC <4
4. Sand <50% or Clay >25% for surface and subsurface
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Provisional

047XESG02

Breaks
i
Key Characteristics
1. Uplands
2. <75% bedrock outcrop
3. Surface SAR <8 and Subsurface EC <8 and Surface EC <4
4. EC <1.5 surface and <2 subsurface
5. Slope >35% & >40% surface rock
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Provisional

047XESG03

Clay Uplands
i
Key Characteristics
1. Uplands
2. <75% bedrock outcrop
3. Surface SAR <8 and Subsurface EC <8 and Surface EC <4
4. EC <1.5 surface and <2 subsurface
5. Slope <35% or <40% surface rock
6. Depth >55cm
7. Rock <30% surface and <30% subsurface
8. Clay >30% surface or >35% subsurface
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Provisional

047XESG04

Deep Rocky
i
Key Characteristics
1. Uplands
2. <75% bedrock outcrop
3. Surface SAR <8 and Subsurface EC <8 and Surface EC <4
4. EC <1.5 surface and <2 subsurface
5. Slope <35% or <40% surface rock
6. Depth >55cm
7. Rock >30% surface or >30% subsurface
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Provisional

047XESG05

Finer Uplands
i
Key Characteristics
1. Uplands
2. <75% bedrock outcrop
3. Surface SAR <8 and Subsurface EC <8 and Surface EC <4
4. EC <1.5 surface and <2 subsurface
5. Slope <35% or <40% surface rock
6. Depth >55cm
7. Rock <30% surface and <30% subsurface
8. Clay <30% surface and <35% subsurface
9. Sand <75% or texture is Sandy Loam or finer in surface & subsurface
10. Clay >20% or texture is Loam or finer in surface
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Provisional

047XESG06

Loamy Uplands
i
Key Characteristics
1. Uplands
2. <75% bedrock outcrop
3. Surface SAR <8 and Subsurface EC <8 and Surface EC <4
4. EC <1.5 surface and <2 subsurface
5. Slope <35% or <40% surface rock
6. Depth >55cm
7. Rock <30% surface and <30% subsurface
8. Clay <30% surface and <35% subsurface
9. Sand <75% or texture is Sandy Loam or finer in surface & subsurface
10. Clay <20% or texture is Sandy Loam or sandier in surface
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Provisional

047XESG07

Outcrops
i
Key Characteristics
1. Uplands
2. >75% bedrock outcrop
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Provisional

047XESG08

Riparian
i
Key Characteristics
1. Additional water
2. Perennial water
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Provisional

047XESG09

Saline Bottoms
i
Key Characteristics
1. Additional water
2. Ephemeral water
3. Subsurface EC >4
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Provisional

047XESG10

Saline Hills
i
Key Characteristics
1. Uplands
2. <75% bedrock outcrop
3. Surface SAR >8 or Subsurface EC >8 or Surface EC >4
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Provisional

047XESG11

Saline Uplands
i
Key Characteristics
1. Uplands
2. <75% bedrock outcrop
3. Surface SAR <8 and Subsurface EC <8 and Surface EC <4
4. EC >1.5 surface or >2 subsurface
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Provisional

047XESG12

Sandy Bottoms
i
Key Characteristics
1. Additional water
2. Ephemeral water
3. Subsurface EC <4
4. Sand >50% & Clay <25% for surface and subsurface
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Provisional

047XESG13

Sandy Uplands
i
Key Characteristics
1. Uplands
2. <75% bedrock outcrop
3. Surface SAR <8 and Subsurface EC <8 and Surface EC <4
4. EC <1.5 surface and <2 subsurface
5. Slope <35% or <40% surface rock
6. Depth >55cm
7. Rock <30% surface and <30% subsurface
8. Clay <30% surface and <35% subsurface
9. Sand >75% or texture is Loamy Sand or sandier in surface & subsurface
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Provisional

047XESG14

Shallow
i
Key Characteristics
1. Uplands
2. <75% bedrock outcrop
3. Surface SAR <8 and Subsurface EC <8 and Surface EC <4
4. EC <1.5 surface and <2 subsurface
5. Slope <35% or <40% surface rock
6. Depth: 30-55cm
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Provisional

047XESG15

Very Shallow
i
Key Characteristics
1. Uplands
2. <75% bedrock outcrop
3. Surface SAR <8 and Subsurface EC <8 and Surface EC <4
4. EC <1.5 surface and <2 subsurface
5. Slope <35% or <40% surface rock
6. Depth <30cm
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Ecological site group keys

MLRA 47

I. Additional water

A. Perennial water ... 047XESG08 – Riparian

B. Ephemeral water

1 Subsurface EC >4 ... 047XESG09 – Saline Bottoms

2 Subsurface EC <4

i. Sand >50% & Clay <25% for surface and subsurface ... 047XESG12 – Sandy Bottoms

ii. Sand <50% or Clay >25% for surface and subsurface ... 047XESG01 – Bottoms

II. Uplands

A. >75% bedrock outcrop ... 047XESG07 – Outcrops

B. <75% bedrock outcrop

1 Surface SAR >8 or Subsurface EC >8 or Surface EC >4 ... 047XESG10 – Saline Hills

2 Surface SAR <8 and Subsurface EC <8 and Surface EC <4

i. EC >1.5 surface or >2 subsurface ... 047XESG11 – Saline Uplands

ii. EC <1.5 surface and <2 subsurface

a. Slope >35% & >40% surface rock ... 047XESG02 – Breaks

b. Slope <35% or <40% surface rock

1) Depth <30cm ... 047XESG15 – Very Shallow

2) Depth: 30-55cm ... 047XESG14 – Shallow

3) Depth >55cm

a) Rock >30% surface or >30% subsurface ... 047XESG04 – Deep Rocky

b) Rock <30% surface and <30% subsurface

(1) Clay >30% surface or >35% subsurface ... 047XESG03 – Clay Uplands

(2) Clay <30% surface and <35% subsurface

(a) Sand >75% or texture is Loamy Sand or sandier in surface & subsurface ... 047XESG13 – Sandy Uplands

(b) Sand <75% or texture is Sandy Loam or finer in surface & subsurface

(1) Clay <20% or texture is Sandy Loam or sandier in surface ... 047XESG06 – Loamy Uplands

(2) Clay >20% or texture is Loam or finer in surface ... 047XESG05 – Finer Uplands

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