Contours

Feature class contains all contour lines for Baltimore County. Contours are captured in 2 foot intervals. Contours were created from LiDAR captured to meet or exceed the FEMA QL 2 specification. LiDAR was captured in April of 2014.本要素类包含巴尔的摩县（Baltimore County）的全部等高线。等高线间距为2英尺。该等高线由符合乃至超出美国联邦紧急事务管理局（FEMA）QL 2标准的激光雷达（LiDAR）数据生成，该激光雷达数据采集于2014年4月。