U.S. Fish & Wildlife ServiceThis feature layer depicts the various types of land status within the National Wildlife Refuges in Alaska. The information was compiled by the U.S. Fish & Wildlife Service, Region 7, Division of Realty, using Bureau of Land Management Master Title Plats as the primary data source. Status depicted includes : - Managed by USFWS - Managed by other Federal agencies - Selected land (private, native corporation, State of Alaska) - Patented land (private, native corporation, State of Alaska) This feature layer is updated monthly, on or near the last day of the month.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/1066701b01654c9c9b2e04c51f9612bc_7engU.S. Fish and Wildlife Service Open DataPublicNWR SUB-SURFACE ESTATE (Selected) [United States]Web servicesUnited StatesLast Modified: 2026-01-08