Site Structure Address Points (NG911)

These data are point data representing site address locations within Columbia County. These site addresses, i.e. Emergency Response Numbers (ERNs), are assigned to a physical location such as tax parcels, buildings, and other structures. They are used for both postal and emergency services.本数据集为点数据，用于表征哥伦比亚县（Columbia County）范围内的场地地址点位。此类场地地址即应急响应编号（Emergency Response Numbers, ERNs），被分配至税务地块、建筑物及其他构筑物等实体区位，可同时服务于邮政服务与应急救援事务。