| ADMIN_REC_SITE - Administrative or Recreation facility or site boundary. |
| BLM_ADMIN - Bureau of Land Management administrative boundary |
| CLOSURE - Closure extension. Used to close small gaps. |
| COAST_3MILE - Separating coastal water from territorial sea at 3-mile |
| COUNTY - County boundary |
| ELEVATION - Line of common elevation |
| FENCE - Fence line |
| FOREST_SERVICE_ADMIN - Forest Service administrative boundaries |
| GRAZING_BOUNDARY - Pasture or other administrative grazing boundary that is not fenced and does not follow a subdivision or some other legal boundary. |
| HU - Hydrologic unit divide |
| JETTY - Jetty |
| JURISDICTION - Surface jurisdiction boundary |
| LAVA - Edge of lava flow |
| LEVEE - Dike or levee |
| MARSH - Edge of Marsh, wetland, swamp, or bog boundary |
| MINERAL_DISTURBANCE - Edge of quarry, mine, gravel stockpile or other mineral surface disturbance area |
| NLCS_BOUNDARY - Wilderness, Wild and Scenic River, Historic District or other NLCS designation boundary. |
| OTHER - Known boundary not represented by other domain options. |
| PARKING_AREA - Motorized vehicle parking area. |
| POINT-TO-POINT - Boundary defined by a straight line segment between two points |
| POWERLINE - Power transmission line or buffer offset |
| RIDGE - Ridge |
| RIGHT-OF-WAY - A legal ROW or easement forms the boundary |
| RIM - Line generally follows a natural topographic barrier |
| ROAD - Routes managed for use by low or high-clearance (4WD) vehicles, but not ATVs |
| ROAD_OFFSET - Boundary is offset from a road (not necessarily a consistent buffer) |
| SHORELINE - Lake, pond, reservoir, bay or ocean shoreline or meander line |
| SMA_DSG - BLM Special Management Area designation such as ACEC or VRM |
| STREAM_LBANK - Downstream left stream bank |
| STREAM_RBANK - Downstream right stream bank |
| SUBDIVISION - Public Land Survey System derived aliquot (1/2s, 1/4s) parts and lots |
| TRAIL - Routes managed for human-powered, stock or off-highway vehicle forms of travel |
| TRAIL_OFFSET - Boundary is offset from a trail (not necessarily a consistent buffer) |
| UNKNOWN - Defining feature is unknown |
| VEGETATION - Seeding boundary or other relatively permanent vegetation change |
| WATERCOURSE - Stream, river, ditch, canal or drainage centerline |
| WATERCOURSE_OFFSET - Boundary is offset from a watercourse (not a consistent buffer) |
| WILDLIFE - Animal location or habitat, possibly buffered |
