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National Hydrography Dataset

Summary

The National Hydrography Dataset (NHD) is a comprehensive set of digital spatial data that contains information about surface water features such as lakes, ponds, streams, rivers, springs and wells. The NHD is based upon the content of USGS Digital Line Graph (DLG) hydrography data integrated with reach-related information from the EPA Reach File Version 3 (RF3).

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Last harvested on Wed Nov 09 09:21:18 MST 2011 from: http://wygl.wygisc.org/wygeolib/rest/find/document using the ArcGIS Geoportal Service harvester.

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URL Web http://wygl.wygisc.org/wygeolib/rest/document?id=%7BE17DD3BE-295C-4ADC-B4C4-7B74DE303B62%7D

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