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Watersheds of Tompkins County, New York (Shapefile : 1991)
MapsheetTompkins (data distributed for Tompkins Co. only)
ProviderTompkins County ITS/GIS
FormatShapefile .shp
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Coordinate System State Plane Coordinate System 1983 | survey feet
DatumNorth American Datum of 1983
Publication date 1991
Date added or updated not specified
The Tompkins County Planning Department utilized inter-departmental mapping expertise of the Tompkins County Information Technology Services GIS Division to produce defined watershed boundaries for surface water features for Tompkins County, NY. The need for this data set has been identified by various county departments, local municipal agencies, and other not-for-profit organizations.
To produce boundaries for watersheds as they were defined for the Tompkins County Planimetric Hydrography data set.
Supplemental Information
Hydrography data originating from the Tompkins County 1991-92 Planimetric project at a scale of 1:4800 was organized into watersheds. Boundaries were created using an automated technique which interpolated the direction of flow of individual grid cells of a DEM. This was used as a rough guideline to refine the boundaries using the water features in the planimetric hydrography data set, the DEC - Water Index Maps, NHD data, and field checks (particularly in perched wetlands that divide watersheds). CUGIR also has Watershed data from the New York State DEC <>
Topicsinland waters
File size72 kilobytes
Use constraintsThe following statement must be included with any products that use or are derived from this data set: Data contained in this product was originally produced by the Tompkins County ITS GIS Division and may not be reproduced or redistributed without the express written consent of the originator. The originator does not warrant the accuracy or completeness of the information portrayed by the data.
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