Natural Resources
Conservation Service
Major Land Resource Area 023X
Major Land Resource Area
Accessed: 04/20/2026
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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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
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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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
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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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
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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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
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ProvisionalR023XY902ORShallow and Moderately Deep >12 PZ Low and Lahontan sagebrush and Idaho fescueiKey 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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
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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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
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ProvisionalR023XY904NVCobbly Moderately Deep Clay 10-14 PZ Low or Lahontan Sagebrush and Sandberg bluegrassi
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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
-
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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
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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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
-
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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
-
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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
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ProvisionalR023XY909ORClayey Mesic Plateaus 8-14 PZ Wyoming Big Sagebrush and Thurber's Needlegrassi
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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
-
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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
-
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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
-
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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
-
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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
-
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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
-
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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
-
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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
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ProvisionalR023XY918NVMountain Slope 10-12 PZ Utah Juniper with Thurber's Needlegrass and Sagebrush.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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
-
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 on debris aprons, bedrock benches, ridges, and glacial valley walls. A seasonal high water table is at a depth of 19 to 40 inches from the soil surface some time during the growing season. Commonly overstory species are Pacific silver fir, western hemlock, noble fir, and western redcedar. Understory species consist of black mountain huckleberry, red huckleberry. Southern Washington Cascades Low Cryic Coniferous Forest (F003XN947WA)
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Ecological site groups
Major Land Resource Areas
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Interactive key
Site subject to Ponding or Flooding
Site does not pond or flood
Site is not sodic
Site has sodic soils properties
R023XY924CA – Lake Basins and Terraces with Greasewood and Saltgrass
R023XY924CA – Lake Basins and Terraces with Greasewood and Saltgrass
Soils are clayey
R023XY912NV – Seasonally Flooded Closed Clay Basins
R023XY912NV – Seasonally Flooded Closed Clay Basins
Soils are loamy
R023XY916NV – Seasonally Flooded Basin Wildrye
R023XY916NV – Seasonally Flooded Basin Wildrye
Site on dune landform
R023XY914OR – Stabilized Dunes
R023XY914OR – Stabilized Dunes
Landform other than dunes
Soil surface is clayey
Surface soils are not clayey
MAP ≤ 10"
R023XY910NV – Very Shallow Mesic Plateaus Low Production Wyoming and Lahontan Sagebrush sites with Sparse Juniper
R023XY910NV – Very Shallow Mesic Plateaus Low Production Wyoming and Lahontan Sagebrush sites with Sparse Juniper
MAP > 10"
Soil Temperature Regime Frigid. Frost Free Days per Year < 80
R023XY902OR – Shallow and Moderately Deep >12 PZ Low and Lahontan sagebrush and Idaho fescue
R023XY902OR – Shallow and Moderately Deep >12 PZ Low and Lahontan sagebrush and Idaho fescue
Soils warmer than frigid.
Soils extremely reactive and may have visible concentrations of CaCO3.
R023XY915NV – Clayey Plateaus 10-12 PZ Sagebrush with Rhizomatous Grass
R023XY915NV – Clayey Plateaus 10-12 PZ Sagebrush with Rhizomatous Grass
Soils weekly reactive or less.
R023XY904NV – Cobbly Moderately Deep Clay 10-14 PZ Low or Lahontan Sagebrush and Sandberg bluegrass
R023XY904NV – Cobbly Moderately Deep Clay 10-14 PZ Low or Lahontan Sagebrush and Sandberg bluegrass
Sites are tree dominated
Sites are shrub or grass dominated
Elevation > 7000'
F023XY923NV – Cold North Slope Quaking Aspen
F023XY923NV – Cold North Slope Quaking Aspen
Elevations < 7000'
Soils Clayey at PCS
F023XY919NV – Plateau Rims 12-16" PZ Western Juniper with Low Sagebrush and Idaho Fescue
F023XY919NV – Plateau Rims 12-16" PZ Western Juniper with Low Sagebrush and Idaho Fescue
Soils loamy or ashy
Frost free days per year ≥ 100
R023XY918NV – Mountain Slope 10-12 PZ Utah Juniper with Thurber's Needlegrass and Sagebrush.
R023XY918NV – Mountain Slope 10-12 PZ Utah Juniper with Thurber's Needlegrass and Sagebrush.
Frost free days < 100
Soils very shallow (depth ≤ 12")
F023XY920NV – Mountain Slopes 10-14 PZ Juniper and Mountain Big Sagebrush
F023XY920NV – Mountain Slopes 10-14 PZ Juniper and Mountain Big Sagebrush
Soils > 12" deep.
R023XY917NV – Mountain Slope 16-20 PZ Mahogany
R023XY917NV – Mountain Slope 16-20 PZ Mahogany
MAP ≤ 10"
[Criteria]MAP >10"
Soil texture (PCS) clayey
R023XY901NV – Shallow and Moderately Deep <12" PZ Low and Lahontan sagebrush and bluebunch wheatgrass/Thurber's needlegrass
R023XY901NV – Shallow and Moderately Deep <12" PZ Low and Lahontan sagebrush and bluebunch wheatgrass/Thurber's needlegrass
Texture (PCS) ashy or loamy
R023XY909OR – Clayey Mesic Plateaus 8-14 PZ Wyoming Big Sagebrush and Thurber's Needlegrass
R023XY909OR – Clayey Mesic Plateaus 8-14 PZ Wyoming Big Sagebrush and Thurber's Needlegrass
Soils is shallow to root restrictive layer
Soil is moderately deep or deeper
Soils Aridisols
R023XY913NV – Shallow Rocky 8-14 PZ Black Sagebrush
R023XY913NV – Shallow Rocky 8-14 PZ Black Sagebrush
Soils Molisols
R023XY901NV – Shallow and Moderately Deep <12" PZ Low and Lahontan sagebrush and bluebunch wheatgrass/Thurber's needlegrass
R023XY901NV – Shallow and Moderately Deep <12" PZ Low and Lahontan sagebrush and bluebunch wheatgrass/Thurber's needlegrass
Site is on south aspect of plateau landscapes
R023XY905NV – Loamy 10-20 PZ Mountain Big Sagebrush and Bluebunch Wheatgrass
R023XY905NV – Loamy 10-20 PZ Mountain Big Sagebrush and Bluebunch Wheatgrass
Site on other aspects or landforms
Soils texture (PCS) loamy
R023XY908NV – Loamy 14-18 PZ Mountain Big Sagebrush and Mountain Brome
R023XY908NV – Loamy 14-18 PZ Mountain Big Sagebrush and Mountain Brome
Soil textures (PCS) ashy
Sites are on backslopes of ash flow landforms
R023XY903NV – Ashy 10-14 PZ Lahontan Sagebrush
R023XY903NV – Ashy 10-14 PZ Lahontan Sagebrush
Sites are on plateau summits and shoulders
R023XY906NV – Ashy or Loamy Skeletal Moderately Deep 10-20 PZ High-Resilience Mountain Big Sagebrush and Idaho Fescue
R023XY906NV – Ashy or Loamy Skeletal Moderately Deep 10-20 PZ High-Resilience Mountain Big Sagebrush and Idaho Fescue
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Ecological site group keys
Key to Group Modal Sites
I.
Site subject to Ponding or Flooding
B.
Site is not sodic
A.
Site has sodic soils properties
... R023XY924CA – Lake Basins and Terraces with Greasewood and Saltgrass
II.
Site does not pond or flood
B.
Landform other than dunes
1
Soil surface is clayey
i.
MAP ≤ 10"
... R023XY910NV – Very Shallow Mesic Plateaus Low Production Wyoming and Lahontan Sagebrush sites with Sparse Juniper
ii.
MAP > 10"
a.
Soil Temperature Regime Frigid. Frost Free Days per Year < 80
... R023XY902OR – Shallow and Moderately Deep >12 PZ Low and Lahontan sagebrush and Idaho fescue
b.
Soils warmer than frigid.
1)
Soils extremely reactive and may have visible concentrations of CaCO3.
... R023XY915NV – Clayey Plateaus 10-12 PZ Sagebrush with Rhizomatous Grass
2)
Soils weekly reactive or less.
... R023XY904NV – Cobbly Moderately Deep Clay 10-14 PZ Low or Lahontan Sagebrush and Sandberg bluegrass
2
Surface soils are not clayey
i.
Sites are tree dominated
b.
Elevations < 7000'
1)
Soils Clayey at PCS
... F023XY919NV – Plateau Rims 12-16" PZ Western Juniper with Low Sagebrush and Idaho Fescue
2)
Soils loamy or ashy
a)
Frost free days per year ≥ 100
... R023XY918NV – Mountain Slope 10-12 PZ Utah Juniper with Thurber's Needlegrass and Sagebrush.
b)
Frost free days < 100
(1)
Soils very shallow (depth ≤ 12")
... F023XY920NV – Mountain Slopes 10-14 PZ Juniper and Mountain Big Sagebrush
ii.
Sites are shrub or grass dominated
b.
MAP ≤ 10"
1)
Soil texture (PCS) clayey
... R023XY901NV – Shallow and Moderately Deep <12" PZ Low and Lahontan sagebrush and bluebunch wheatgrass/Thurber's needlegrass
2)
Texture (PCS) ashy or loamy
... R023XY909OR – Clayey Mesic Plateaus 8-14 PZ Wyoming Big Sagebrush and Thurber's Needlegrass
a.
[Criteria]MAP >10"
1)
Soils is shallow to root restrictive layer
b)
Soils Molisols
... R023XY901NV – Shallow and Moderately Deep <12" PZ Low and Lahontan sagebrush and bluebunch wheatgrass/Thurber's needlegrass
2)
Soil is moderately deep or deeper
a)
Site is on south aspect of plateau landscapes
... R023XY905NV – Loamy 10-20 PZ Mountain Big Sagebrush and Bluebunch Wheatgrass
b)
Site on other aspects or landforms
(1)
Soils texture (PCS) loamy
... R023XY908NV – Loamy 14-18 PZ Mountain Big Sagebrush and Mountain Brome
(2)
Soil textures (PCS) ashy
(a)
Sites are on backslopes of ash flow landforms
... R023XY903NV – Ashy 10-14 PZ Lahontan Sagebrush
(b)
Sites are on plateau summits and shoulders
... R023XY906NV – Ashy or Loamy Skeletal Moderately Deep 10-20 PZ High-Resilience Mountain Big Sagebrush and Idaho Fescue
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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