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 MAR 2012 2025 Risk Assessment: Apacherian Chihuahuan Semi-Desert Grassland and Steppe
The Vista tool is used to create a Scenario of the current and anticipated CAs affecting the Apacherian Chihuahuan Semi-Desert Grassland and Steppe CE in 2025 and applies user-input Landscape Condition Model (LCM) scores to generate a Risk Assessment for ...
Downloadable DataBLM REA MAR 2012 2025 Risk Assessment: Nectivorous Bat Assemblage
The Vista tool is used to create a Scenario of the current and anticipated CAs affecting the Nectivorous Bat Assemblage CE in 2025 and applies user-input Landscape Condition Model (LCM) scores to generate a Risk Assessment for the CE. The LCM consists of ...
Downloadable DataBLM REA MAR 2012 2025 Risk Assessment: North American Warm Desert Riparian Woodland, Shrubland, Mesquite Bosque and Stream
The Vista tool is used to create a Scenario of the current and anticipated CAs affecting the North American Warm Desert Riparian Woodland, Shrubland, Mesquite Bosque and Stream CE in 2025 and applies user-input Landscape Condition Model (LCM) scores to ge...
Downloadable DataBLM REA MAR 2012 Active mines and mineral plants in the US (USGS National Minerals Information Center) - MAR
Metadata Thumbnail This data set includes mineral and metal operations in the United States. The data represent commodities monitored by the National Minerals Information Center of the USGS, and the operations included are those considered active in 2003 and surveyed by the...
Downloadable DataBLM REA MAR 2012 Airport Runways - MAR
Metadata Thumbnail The Airport Runways database is a geographic dataset of runways in the United States and US territories containing information on the physical characteristics of the runways. The 6404 runways in the dataset are runways associated with the 19949 airports i...
Downloadable DataBLM REA MAR 2012 AM Radio Station Transmitter Sites - MAR
Metadata Thumbnail Existing Source Dataset without metadata. For information about this dataset, please see: http://wireless.fcc.gov/geographic/index.htm?job=licensing_database_extracts These data were reprojected to USA_Contiguous_Albers_Equal_Area_Conic_USGS_version and...
Downloadable DataBLM REA MAR 2012 Apacherian-Chihuahuan Mesquite Upland Scrub
Metadata Thumbnail Distribution in the Madrean REA of Apacherian-Chihuahuan Mesquite Upland Scrub. The dataset represents the work of multiple states and Federal agencies as part of the US Gap Analysis and LandFire programs. Multi-season satellite imagery (Landsat ETM+) fr...