Large scale hydrography network tiled by Watershed Boundary Dataset (WBD) sub-basin. Stream network extracted from New York State Large Scale Hydrography. Artificial paths and connectors added as needed to create a continuous network. Stream names from USGS 7.5 Minute Topographic Maps. Continuous hydrography network for mapping and modeling. Base data for creation of high resolution National Hydrography Dataset (NHD).
New York State. Department of Environmental Conservation.