esmtrow_poly: This data set represents areal ROWs and Easements. Rights-of-Way and Easements that are linear in nature, such as roads or power lines, have associated widths that can be used to buffer the linear features and create polygon areas. Area entities include these linear buffer features as well as ROWs and Easements described by parcels. These are a portion of the total ENCUMBRANCE data category which includes entities about rights and restrictions. The rights and restrictions relate to the use of federal public land or to the use of non-federal land by the federal and public entities. Example uses might be construction or simply crossing the land. Rights-of-way in this data set include ROW and other land use authorizations issued by the United States under the authorities of Title V and Sec. 302(b) of Federal Land Policy and Management Act (FLPMA) (and other ROW authorities repealed by FLPMA) ,O Act of August 28, 1937, plus the Federal Highway Act and the Mineral Leasing Act. Easements in this data set are the spatial representation of partial interests in non-federal land acquired or reserved by the United States. In general, ROWs are rights granted by BLM and Easements are rights granted to BLM, but there are exceptions. The data set includes both linear and area entities. This data set is not intended to include all ROWs and Easements, but only those most important for common GIS spatial analysis. In addition, only basic information about the ROWs and Easements is provided. Details and the complete rights and restrictions history are found in the authoritative sources: Master Title Plats, case file records, and the LR2000 database.

esmtrow_arc: This data is a linear representation of Right of Ways (ROWs) and Easements for the State of Oregon. These are a portion of the total ENCUMBRANCE data category which includes entities about rights and restrictions. Rights-of-way in this data set include ROW and other land use authorizations issued by the United States under the authorities of Title V and Sec. 302(b) of Federal Land Policy and Management Act (FLPMA) (and other ROW authorities repealed by FLPMA) ,O Act of August 28, 1937, plus the Federal Highway Act and the Mineral Leasing Act. Easements in this data set are the spatial representation of partial interests in non-federal land acquired or reserved by the United States. In general, ROWs are rights granted by BLM and Easements are rights granted to BLM, but there are exceptions. This data set is not intended to include all ROWs and Easements, but only those most important for common GIS spatial analysis. In addition, only basic information about the ROWs and Easements is provided. Details and the complete rights and restrictions history are found in the authoritative sources: Master Title Plats, case file records, and the LR2000 database. Easement and ROWs are legal entities. They are often related to physical entities such as roads and power lines. The Easement or ROW is described in relation to the constructed entity, but is not necessarily identical.

esmtrow_arc: This data is a linear representation of Right of Ways (ROWs) and Easements for the State of Oregon. These are a portion of the total ENCUMBRANCE data category which includes entities about rights and restrictions. Rights-of-way in this data set include ROW and other land use authorizations issued by the United States under the authorities of Title V and Sec. 302(b) of Federal Land Policy and Management Act (FLPMA) (and other ROW authorities repealed by FLPMA) ,O Act of August 28, 1937, plus the Federal Highway Act and the Mineral Leasing Act. Easements in this data set are the spatial representation of partial interests in non-federal land acquired or reserved by the United States. In general, ROWs are rights granted by BLM and Easements are rights granted to BLM, but there are exceptions. This data set is not intended to include all ROWs and Easements, but only those most important for common GIS spatial analysis. In addition, only basic information about the ROWs and Easements is provided. Details and the complete rights and restrictions history are found in the authoritative sources: Master Title Plats, case file records, and the LR2000 database. Easement and ROWs are legal entities. They are often related to physical entities such as roads and power lines. The Easement or ROW is described in relation to the constructed entity, but is not necessarily identical.

ROW_DSG_PUB_POLY: This dataset represents areas where ROW granted by the BLM are not allowed (excluded), allowed with special considerations (avoidance), or generally permitted (corridor). The designations are determined through the Land Use Planning process (Resource Management Plan (RMP)). There are four possible designations: Avoidance, Exclusion, Corridor, and Open. The Avoidance designation is described as the area where ROW and other Land Use Authorizations are only allowed, if compatible with existing land designations, and management direction. The Exclusion area designation does not allow ROWs, and other Land Use Authorizations. The Corridor designation includes existing ROW corridors, as well as communication sites, and other land use authorization, plus additional land as appropriate for potential future non-conflicting development. The Open designation is remaining BLM surface jurisdiction.

LTZ_POLY: This feature class represents BLM Land Tenure Zones (LTZ) for Oregon and Washington, areas (zones) on BLM lands as Retention/Acquisition, Exchange, or Disposal of lands under BLM jurisdiction. The LTZ polygons do not identify actual acquisition or disposal actions, but rather the zones of potential land tenure adjustment as determined through the land use planning process. All BLM lands are covered by these zones. For detailed information on individual parcels contact the relevant BLM Oregon district staff. This data conforms to the 'Land Tenure Zones Spatial Data Standard 20131130. 'http://www.blm.gov/or/datamanagement/index.php'

LTZ_POLY: This feature class represents BLM Land Tenure Zones (LTZ) for Oregon and Washington, areas (zones) on BLM lands as Retention/Acquisition, Exchange, or Disposal of lands under BLM jurisdiction. The LTZ polygons do not identify actual acquisition or disposal actions, but rather the zones of potential land tenure adjustment as determined through the land use planning process. All BLM lands are covered by these zones. For detailed information on individual parcels contact the relevant BLM Oregon district staff. This data conforms to the 'Land Tenure Zones Spatial Data Standard 20131130. 'http://www.blm.gov/or/datamanagement/index.php'

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SUBSURFACE_RIGHTS_POLY: This theme portrays information related to the Public Land Survey System, and subsurface minerals of lands in the states of Oregon and Washington.

LSE_CLM_POLY: This dataset is a spatial representation of Leases and Claims (LSE_CLM). It is a portion of the total encumbrance data category that includes information about entities, rights, and restrictions relating to the use of Federal minerals. This dataset contains Leases and Claims within Oregon and Washington BLM-administered lands (surface and subsurface) and over mineral estate in areas of split estate (i.e., areas where the BLM administers Federal mineral estate, but the surface is not owned by the BLM).

OWNERSHIP_POLY: This theme portrays information related to surface jurisdiction, and land category of lands located in the states of Oregon and Washington.