Natural Resources
Conservation Service
Major Land Resource Area 009X
Major Land Resource Area
Accessed: 05/05/2026
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Next, learn more about the selected ecological site group and its characteristic dynamics by browsing the ecological site group description and exploring alternative state and transition model formats.
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i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site is on east slope of North Cascade Mountains.
- Site is at middle elevations,
- Site is limited in extent, but it is in many landscape positions. It is at middle elevations, typically 1,700 to 5,000 feet above sea level but as much as 6,500 feet in some areas. Soils are dry in summer. Subalpine fir and Engelmann spruce are common. If yes, the site is Cryic/Xeric Coniferous (F003XN923WA).
Briefcase
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Ecological site groups
Major Land Resource Areas
Ecological site group photos
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interactive key
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Interactive key
Additional water
Uplands
Perennial water
009XESG08 – Riparian
009XESG08 – Riparian
Ephemeral water
Sand >50% & clay <25% for surface and subsurface
009XESG11 – Sandy Bottoms
009XESG11 – Sandy Bottoms
Sand <50% or clay >25%
009XESG01 – Bottoms
009XESG01 – Bottoms
>75% bedrock outcrop
009XESG07 – Outcrops
009XESG07 – Outcrops
<75% bedrock outcrop
Surface SAR >8 or subsurface EC >8 or surface EC >4
009XESG09 – Saline Hills
009XESG09 – Saline Hills
Surface SAR <8 and subsurface EC <8 and surface EC <4
EC >1.5 surface or >2 subsurface
009XESG10 – Saline Uplands
009XESG10 – Saline Uplands
EC <1.5 surface and <2 subsurface
Slope >35% & >40% surface rock
009XESG02 – Breaks
009XESG02 – Breaks
Slope <35% or <40% surface rock
Depth <30cm
009XESG13 – Very Shallow
009XESG13 – Very Shallow
Depth: 30-55cm
009XESG12 – Shallow
009XESG12 – Shallow
Depth >55cm
Rock >30% surface or >30% subsurface
009XESG04 – Deep Rocky
009XESG04 – Deep Rocky
Rock <30% surface and <30% subsurface
Clay >30% surface or >35% subsurface
009XESG03 – Clay Uplands
009XESG03 – Clay Uplands
Clay <30% surface and <35% subsurface
Clay <20% or texture is sandy loam or sandier in surface
009XESG06 – Loamy Uplands
009XESG06 – Loamy Uplands
Clay >20% or texture is finer than sandy loam in surface.
009XESG05 – Finer Uplands
009XESG05 – Finer Uplands
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Ecological site group keys
MLRA 9
I.
Additional water
B.
Ephemeral water
II.
Uplands
B.
<75% bedrock outcrop
2
Surface SAR <8 and subsurface EC <8 and surface EC <4
ii.
EC <1.5 surface and <2 subsurface
b.
Slope <35% or <40% surface rock
3)
Depth >55cm
b)
Rock <30% surface and <30% subsurface
(2)
Clay <30% surface and <35% subsurface
The Ecosystem Dynamics Interpretive Tool is an information system framework developed by the USDA-ARS Jornada Experimental Range, USDA Natural Resources Conservation Service, and New Mexico State University.
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