Ecological Site Description Development Table Download Site

Last updated November 2021

These data are considered sensitive and not for distribution.
These data are to be used only for developing Ecological Site Descriptions/interpretations and only by individuals receiving approval through a confidentiality agreement provided for this project. Individuals should contact the NRI Grazing Land Help Desk (nri-graze-help@iastate.edu) to obtain instructions on how to gain access to the ESD data.
You may access the tables via MLRA zip files posted below. Access to the zip files is password-protected via your NRI account login. The proper role to access the files (EsdInterpreter) will be granted to individuals who receive approval through the confidentiality agreement.
Support materials include:
Guidance Document provides an overview of these data
PRISM maps

Download Instructions
1. Click on the individual zip file to save to your local computer. If you are not already logged into your NRI account you will need to provide your username and password. 2. Unzip all files to a directory of your choice. 3. Files can be opened using Excel. Review the guidance document for use and interpretation of these tables.

LRR A Northwestern Forest, Forage, and Specialty Crop Region
MLRA	Name
002X	Willamette and Puget Sound Valleys
004A	Sitka spruce Belt
004B	Coastal Redwood Belt
005X	Siskiyou-Trinity Area
006X	Cascade Mountains, Eastern Slope

LRR B Northwestern Wheat and Range Region
MLRA	Name
007X	Columbia Basin
008X	Columbia Plateau
009X	Palouse and Nez Perce Prairies
010A	Central Rocky and Blue Mountain Foothills
010X	Central Rocky and Blue Mountain Foothills
011A	Snake River Plains
011B	Snake River Plains
011X	Snake River Plains
012X	Lost River Valleys and Mountains
013X	Eastern Idaho Plateaus

LRR C California Subtropical Fruit, Truck, and Specialty Crop Region
MLRA	Name
014X	Central California Coastal Valleys
015X	Central California Coast Range
016X	California Delta
017X	Sacramento and San Joaquin Valleys
018X	Sierra Nevada Foothills
019X	Southern California Coastal Plain
020X	Southern California Mountains

LRR D Western Range and Irrigated Region
MLRA	Name
021X	Klamath and Shasta valleys and Basins
022A	Klamath and Shasta valleys and Basins
022B	Southern Cascade Mountains
022X	Sierra Nevada and Southern Cascade Mountains
023X	Malheur High Plateau
024X	Humboldt Area
025X	Owyhee High Plateau
026X	Carson Basin and Mountains
027X	Fallon-Lovelock Area
028A	Great Salt Lake Area
028B	Central Nevada Basin and Range
029X	Southern Nevada Basin and Range
030X	Mojave Desert
031X	Lower Colorado Desert
032A
032X	Northern Intermountain Desertic Basins
034A	Cool Central Desertic Basins and Plateaus
034B	Warm Central Desertic Basins and Plateaus
034X	Central Desertic Basins and Plateaus
035X	Colorado Plateau
036X	Southwestern Plateaus, Mesas, and Foothills
037X
038X	Mogollon Transition
039X	Arizona and New Mexico Mountains
040X	Sonoran Basin and Range
041X	Southeastern Arizona Basin and Range
042X	Southern Desertic Basins, Plains, and Mountains

LRR E Rocky Mountain Range and Forest Region
MLRA	Name
043A	Northern Rocky Mountains
043B	Central Rocky Mountains
043X	Rocky Mountains
044A	Northern Rocky Mountain Valleys
044B	Northern Rocky Mountain Valleys
044X	Northern Rocky Mountain Valleys
046X	Northern Rocky Mountain Foothills
047X	Wasatch and Uinta Mountains
048A	Southern Rocky Mountains
048B	Southern Rocky Mountain Parks
049A	Southern Rock Mountain Foothills
049B	Southern Rock Mountain Foothills
049X	Southern Rock Mountain Foothills
051X	High Intermountain Valleys

LRR F Northern Great Plains Spring Wheat Region
MLRA	Name
052X	Brown Glaciated Plain
053A	Northern Dark Brown Glaciated Plains
053B	Central Dark Brown Glaciated Plains
053C	Southern Dark Brown Glaciated Plains
054X	Rolling Soft Shale Plain
055A	Northern Black Glaciated Plains
055B	Central Black Glaciated Plains
055C	Southern Black Glaciated Plains
056X	Red River Valley of the North

LRR G Western Great Plains Range and Irrigated Region
MLRA	Name
058A	Northern Rolling High Plains, Northern Part
058B	Northern Rolling High Plains, Southern Part
058C	Northern Rolling High Plains, Northeastern Part
058D	Northern Rolling High Plains, Eastern Part
060A	Pierre Shale Plains
060B	Pierre Shale Plains, Northern Part
061X	Black Hills Foot Slopes
062X	Black Hills
063A	Northern Rolling Pierre Shale Plains
063B	Southern Rolling Pierre Shale Plains
064X	Mixed Sandy and Silty Tableland and Badlands
065X	Nebraska Sand Hills
066X	Dakota-Nebraska Eroded Tableland
067A	Central High Plains, Northern Part
067B	Central High Plains, Southern Part
067X	Central High Plains
069X	Upper Arkansas Valley Rolling Plains
070A	Canadian River Plains and Valleys
070B	Upper Pecos River Valley
070C	Central New Mexico Highlands
070D	Southern Desert Foothills
070E
070X

LRR H Central Great Plains Winter Wheat and Range Region
MLRA	Name
071X	Central Nebraska Loess Hills
072X	Central High Tableland
073X	Rolling Plains and Breaks
074X	Central Kansas Sandstone Hills
075X	Central Loess Plains
076X	Bluestem Hills
077A	Southern High Plains, Northern Part
077B	Southern High Plains, Northwestern Part
077C	Southern High Plains, Southern Part
077D	Southern High Plains, Southwestern Part
077E	Southern High Plains, Breaks
077X	Southern High Plains
078A	Rolling Limestone Prairie
078B	Central Rolling Red Plains, Western Part
078C	Central Rolling Red Plains, Eastern Part
078D
078X
079X	Great Bend Sand Plains
080A	Central Rolling Red Prairies
080B	Texas North-Central Prairies

LRR I Southwest Plateaus and Plains Range and Cotton region
MLRA	Name
081A	Edwards Plateau, Western Part
081B	Edwards Plateau, Central Part
081C	Edwards Plateau, Eastern Part
081D	Southern Edwards Plateau
082A	Texas Central Basin
082X
083A	Northern Rio Grande Plain
083B	Western Rio Grande Plain
083C	Central Rio Grande Plain
083D	Lower Rio Grande Plain
083E	Sandsheet Prairie

LRR J Southwestern Prairies Cotton and Forage Region
MLRA	Name
082B	Wichita Mountains
084A	North Cross Timbers
084B	West Cross Timbers
084C	East Cross Timbers
085A
085B
085X	Grand Prairie
086A	Texas Blackland Prairie, Northern Part
086B	Texas Blackland Prairie, Southern Part
086X	Texas Blackland Prairie
087A	Texas Claypan Area, Southern Part
087B	Texas Claypan Area, Northern Part
087X

LRR K Northern Lake States Forest and Forage Region
MLRA	Name
091A	Central Minnesota Sandy Outwash

LRR M Central Feed Grains and Livestock Region
MLRA	Name
102A	Rolling Till Prairie
102B	Till Plains
102C	Loess Uplands
106X	Nebraska and Kansas Loess-Drift Hills
107B	Nebraska and Kansas Loess-Drift Hills
112X	Cherokee Prairies

LRR N East and Central Farming and Forest Region
MLRA	Name
116A	Ozark Highland
118A	Arkansas Valley and Ridges, Eastern Part
118B	Arkansas Valley and Ridges, Western Part
118X	Arkansas Valley and Ridges
119X	Ouachita Mountains

LRR O Mississippi Delta Cotton and Feed Grains Region
MLRA	Name
131B	Arkansas River Alluvium

LRR P South Atlantic and Gulf Slope Cash Crops, Forest and Livestock Region
MLRA	Name
133B	Western Coastal Plain
135B	Cretaceous Western Coastal Plain

LRR U Florida Subtropical Fruit, Truck Crop, and Range Region
MLRA	Name
154X	South-Central Florida Ridge
155X	Southern Florida Flatwoods
156A	Florida Everglades and Associate Areas
156B	Southern Florida Lowlands

LRR V Hawaii Region
MLRA	Name
157X	Arid and Semiarid Low Mountain Slopes
160X	Subhumid and Humid Inter and High Mntn Slopes
161A	Lava Flows and Rock Outcrops