1. This data layer contains points representing culverts located in water networks and marsh areas in Prince William County,VA. Culverts are structure...
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1. The Polygon feature represents all hydrology features greater than five feet in width.
1. Linear feature representing the potomac shoreline, east shoreline of Alexandria.
1. A linear feature representing hydrology features less than five feet in width.
1. This dataset represents the location of Water Discharge in Washington, DC 2005.