U.S. Fish & Wildlife ServiceThis feature layer depicts the various Conservation System units within the State of Alaska. It includes the boundaries of the following CSU types: National Wildlife Refuge and Wilderness National Park and Preserve National Monument National Historical Park National Wild River National Forest and Wilderness The boundaries of National Wildlife Refuges and National Wildlife Refuge Wilderness were compiled and are maintained by the U.S. Fish & Wildlife Service, Region 7, Division of Realty. All other CSU boundaries were compiled and are maintained by the National Park Service and the U.S. Forest Service. Refer to the NPS and USFS GIS data websites for the current CSU boundaries that are maintained by those agencies.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/4ec4edeb7e3c4333ab158fb56636874d_8engU.S. Fish and Wildlife Service Open DataPublicUSFS - National Forest [United States]Web servicesUnited StatesLast Modified: 2026-01-08