Natural Resources
Conservation Service
Major Land Resource Area 021X
Major Land Resource Area
Accessed: 04/24/2026
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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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Viewing 15 of 15
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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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
-
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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
-
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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
-
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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
-
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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
-
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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
-
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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
-
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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
-
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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
-
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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
-
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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
-
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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
-
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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
-
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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
-
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
- MOUNT RAINIER NATIONAL PARK
- Site is forested, and more than 25 percent is covered with trees
- Site is composed primarily of coniferous tree species. If yes, go to “m.” m. Site commonly is at an elevation of 1,600 to 4,600 feet above sea level, in the southern Washington Cascades. Western hemlock typically in the overstory.
- Site commonly is at an elevation of 1,800 to 5,700 feet above sea level, in the southern Washington Cascades
- Site is in depressions and swales and on terraces, and debris aprons that are subject to frequent periods of ponding in April through June. Common overstory species are western redcedar, red alder, Douglas-fir, and western hemlock. Common understory species are devilsclub, vine maple, salmonberry, thimbleberry, American skunkcabbage, western swordfern, deer fern. Southern Washington Cascades Wet Low Cryic Coniferous Forest (F003XN945WA).
Briefcase
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Ecological site groups
Major Land Resource Areas
Ecological site group photos
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Upland sites
Run-in site
R021XG915CA – Wet Meadow
R021XG915CA – Wet Meadow
< 12" ppt
12-30" ppt
> 30" ppt
< 20" depth
> 20" depth
Clayey Texture
R021XG901CA – Dry Shallow Clayey
R021XG901CA – Dry Shallow Clayey
Loamy texture
R021XG902CA – Dry Shallow Loamy
R021XG902CA – Dry Shallow Loamy
Clayey texture
R021XG903CA – Dry Clayey
R021XG903CA – Dry Clayey
Loamy texture
R021XG904CA – Dry Loamy
R021XG904CA – Dry Loamy
Sandy texture
R021XG905CA – Dry Sandy
R021XG905CA – Dry Sandy
< 20" depth
> 20" depth
Clayey texture
R021XG906CA – Shallow Clayey
R021XG906CA – Shallow Clayey
Loamy texture
R021XG907CA – Shallow Loamy
R021XG907CA – Shallow Loamy
Sandy texture
R021XG908CA – Shallow Sandy
R021XG908CA – Shallow Sandy
Clayey texture
R021XG909CA – Clayey
R021XG909CA – Clayey
Loamy texture
R021XG910CA – Loamy
R021XG910CA – Loamy
Sandy texture
R021XG911CA – Sandy
R021XG911CA – Sandy
< 20" depth
R021XG912CA – Wet Shallow Loamy
R021XG912CA – Wet Shallow Loamy
> 20" depth
Clayey texture
F021XG913CA – Wet Clayey
F021XG913CA – Wet Clayey
Loamy texture
F021XG914CA – Wet Loamy
F021XG914CA – Wet Loamy
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Ecological site group keys
MLRA 21
I.
Upland sites
A.
< 12" ppt
1
< 20" depth
2
> 20" depth
B.
12-30" ppt
1
< 20" depth
2
> 20" depth
C.
> 30" ppt
2
> 20" depth
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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