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New York State Large Scale Hydrography Network by Sub-basin (ARC Export : 2000)
ThemeLarge Scale Hydrography Network (by watershed)

The NYS Large Scale Hydrography dataset is similar to the USGS National Hydrography Dataset (NHD) in that it is tiled by subbasin and is networked (has center lines and connectors to represent continuous linear flow). NHD also includes a flow table, reach codes, and many other features that the NYS Hydrography Network does not yet have.

MapsheetSacandaga Watershed
ProviderNYS Department of Environmental Conservation
For additional datasets available from NYSDEC, see the list of DEC datasets at the NYSGIS Clearinghouse.
FormatArc Export .e00
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Coordinate System Universal Transverse Mercator | meters | Zone 18
DatumNorth American Datum of 1983
Publication date November 30, 1999
Date added or updated not specified
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).
Supplemental Information
For more information on WBD see <>. For more information on NHD see <>.
Topicsenvironment, inland waters
File size4857 kilobytes
Use constraintsAcknowledgement of the USGS and the New York State Department of Environmental Conservation would be appreciated in products derived from these data.
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