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Land Resource Area 1994 (line)
Data available online through GeoStor at http://www.geostor.arkansas.gov. This layer illustrates Major Land Resource Area (MLRA) boundaries for the State of Arkansas. -
Natural Resource Inventory 1994 (Polygon)
Data available online through the Arkansas Spatial Data Infrastructure (http://gis.arkansas.gov). NRI Mapping Polygon boundaries for the conterminous United States.