MLRA Region 3 Office provides assistance to soil survey project offices located in parts of Nevada, California, Oregon, Idaho, and Utah.
The primary responsibility of the MLRA Region 3 Office is to provide quality assurance of soil information in the Northern Basin and Range Major Land Resource Area using the National Cooperative Soil Survey standards
Major Land Resource Areas/MLRA's are geographically associated land resource units, usually encompassing several thousand acres. They are characterized by particular patterns of soils, geology, climate, water resources, and land use. A unit may be one continuous area or several separate nearby areas.