GIS professionals focusing on Fairfax County, Virginia, can access detailed information on the US Electric Power Transmission Lines dataset here. This dataset comprises specific data on high-voltage overhead transmission lines within the region, each characterized by their service status, voltage level, and ownership details. Notable entries include lines owned by Virginia Electric & Power Co and Potomac Electric Power Co. These lines connect various substations like Mosby to Meadow Brook and Quince Orchard to Bells Mill, reflecting their essential role in energy distribution across the county. This resource is ideal for detailed geographic analysis and planning in the realm of electric power infrastructure.