Natural Resources
Conservation Service
Major Land Resource Area 014X
Major Land Resource Area
Accessed: 04/30/2026
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1
Select an ecological site group
Select an ecological site group using the list, keys, photos, briefcase, or quick search option located on this page. -
2
Explore the ecological site group description
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.
Ecological site group list
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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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
-
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 lower elevations, typically 1,000 to 3,500 feet above sea level but as much as 5,000 feet in some areas. The soils on this site are dry by summer
- Site is not common and is limited in extent. It is in distinct areas of active disturbance on mountain slopes and valley sides. Disturbances include rockfalls, debris torrents, and avalanches. Deciduous trees and shrubs such as bigleaf maple, bitter cherry, hazelnut, and vine maple are most common. Site is distinctly different from adjacent conifer-covered slopes. If yes, the site is Frigid/Xeric Active Natural Disturbance (F003XN928WA).
Briefcase
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Ecological site groups
Major Land Resource Areas
Ecological site group photos
Filters
R014XG901CA – Tidal Flat
R014XG902CA – Beach Ridge
R014XG903CA – Salt Marsh
R014XG904CA – Dry Clayey Bottom
R014XG905CA – Clayey Bottom
R014XG906CA – Dry Loamy Bottom
R014XG907CA – Loamy Bottom
R014XG908CA – Dry Sandy Bottom
R014XG909CA – Sandy Bottom
R014XG910CA – Dry Clayey Terrace
R014XG911CA – Dry Loamy Terrace
R014XG912CA – Loamy Terrace
R014XG913CA – Dry Sandy Terrace
R014XG914CA – Sandy Terrace
R014XG915CA – Dry Clayey Fan
R014XG916CA – Clayey Fan
R014XG917CA – Dry Loamy Fan
R014XG918CA – Loamy Fan
R014XG919CA – Dry Sandy Fan
R014XG920CA – Sandy Fan
F014XG925CA – Sandy Upland
R014XG921CA – Dry Clayey Upland
R014XG922CA – Clayey Upland
R014XG923CA – Dry Loamy Upland
R014XG924CA – Loamy Upland
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Ecological site group keys
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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