Description: HYDRO_LINE is the polyline feature class from the extended Chester County hydrography network - HYDRO_GN. Segments represent watercourses (natural or manmade) or logical connections for water flow through water bodies or unseen/undefined pathways.
Description: This data represents hydrography within Chester County represented as polygons. The data includes ponds, lakes, and streams wider than 10 feet. The data was originally based on aerial photographs taken April 7, 1993 and was updated using aerial photographs taken in the spring of 2000.