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Hydrography of Tompkins County New York (Shapefile : 2001)
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 2001
Date added or updated not specified
DescriptionAbstract
The Tompkins County Planning Department utilized inter-departmental mapping expertise of the Tompkins County Information Technology Services GIS Division to produce a data set of surface water features for Tompkins County, New York. The need for this data set has been identified by various county departments, local municipal agencies, and other not-for-profit organizations.
Purpose
To provide a complete network of streams within the county boundaries and to add enough basic attributes that a fundamental degree of categorization would be achieved. To provide a stream layer for map production and to provide a framework for relating streams to external databases.
Supplemental Information
Data originating from the Tompkins County 1991-92 Planimetric project at a scale of 1:4800 was organized into watersheds and edited to complete the connectivity of stream segments and networks. Identified gaps between arcs due to the original data capture errors were corrected with the use of secondary data sources. In locations where stream paths did not exist through water bodies and wetlands, additional segments, or artificial paths were added through these polygons. Approximate stream centerlines were also delineated in locations where larger streams were identified only by two arcs representing stream edges. In addition, all centerline segment directional orientation was altered to a downstream direction. Paper Maps can be ordered directly from Tompkins County IT/GIS. Attribute information can be found is the following attached files :Hydrology_attributes.xls and a HYDROLOGY_ATTRIBUTES.txt file
Topicsenvironment, inland waters
File size3693 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. Please use data at the scale in which it was intended to be used.
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