Static Map ImagesBLM REA Boundaries and Acres in Lower 48 States (PDF Map)
PDF map showing the boundaries and number of acres in each Rapid Ecoregional Assessment (REA), plus the total acres of all REAs.
Static Map ImagesBLM REA Boundaries and Release Status Map (PDF Map)
PDF map showing the boundaries and release status for each Rapid Ecoregional Assessment (REA), as depicted on the REA home page on the Landscape Approach Data Portal. This map will be updated when a new REA is released, but this metadata record will not d...
Downloadable DataBLM REA Ecoregion and Analysis Boundaries
The ecoregion and analysis boundaries of the BLM REAs: Colorado Plateau (COP), Sonoran Desert (SOD), Central Basin and Range (CBR), Chihuahuan Desert (CHD), Madrean Archipelago (MAR), Mojave Basin and Range (MBR), Middle Rockies (MIR), Northern Great Bas...
Downloadable DataBLM REA NGB 2011 15km Snap Grid for Climate Analysis
Metadata Thumbnail A 15km snap grid was used to align rasters from various datasets.
Downloadable DataBLM REA NGB 2011 2010 Census Population in the NGB by Block Group
Metadata Thumbnail The TIGER/Line Files are shapefiles and related database files (.dbf) that are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing ...
Downloadable DataBLM REA NGB 2011 30m Snap grid
Metadata Thumbnail This was a 15km Snap Grid used for the USGS climate analysis.
Downloadable DataBLM REA NGB 2011 ACEC's in the NGB
Metadata Thumbnail This is an aggregate national dataset describing the geographic boundaries of the ACEC within the BLM managed public lands. The designated ACECs are "areas within the public lands where special management attention is required to protect and prevent irrep...
Live Map ServicesBLM REA NGB 2011 Acid Deposition in 2011 within the NGB
National Atmospheric Deposition Network Acid Deposition from 2011. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears ...
Downloadable DataBLM REA NGB 2011 AE C Groundwater Use by HUC poly
Metadata Thumbnail The estimates of groundwater use for the entire United States are completed at five-year intervals by the USGS. The most recent estimates available for the REA are for 2005 (Kenny et. al. 2009). The USGS provides the estimates at the county level for each...
Downloadable DataBLM REA NGB 2011 AE C Open Water Poly
Metadata Thumbnail The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and ...