Surface Land Management Agency (SMA) without Private or Unknown

The Surface Management Agency (SMA) Geographic Information System (GIS) dataset depicts Federal land for the United States and classifies this land by its active Federal surface managing agency. The SMA feature class currently covers all or the BLM Western State Offices including Alaska. A Federal SMA agency refers to a Federal agency with administrative jurisdiction over the surface of Federal lands. This layer is a an assembly of spatial data layers maintained at various federal and local government offices. The SMA data contained in this dataset are extracted from Federal land status records. The official Federal land status records of the appropriate surface land managing agency, should be consulted concerning ownership details including interest in the federal subsurface mineral estate. The GIS data contained in this dataset depict the surface extent of each Federal agency’s surface administrative jurisdiction. SMA data depicts current withdrawn areas for a particular agency and (when appropriate) includes land that was acquired or exchanged and is located outside of a withdrawal area for that agency. The SMA data do not illustrate land status ownership pattern oundaries or contain land ownership attribute details.