Major Land Resource Areas (MLRA)

This is a polygon coverage of the Land Resource Regions and Major Land
Resource Areas of the conterminous United States. Land resource regions
are geographic areas that are characterized by a particular pattern of
soils, climate, water resources and land uses. (USDA, Soil Conservation
Service, 1981). Major land resource areas are subregions of the
land resource regions and comprise smaller homogeneous areas. The
scale of this coverage is 1:2,000,000.

Note: The Soil Conservation Service now (1995) is called the Natural
Resources Conservation Service.

Descriptors:

Land Resource Regions
Major Land Resource Areas
United States