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<p class="MsoNormal">GIS Users,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The National Hydrography Dataset (NHD) was recently updated in the GIS library and MapDirect.
<o:p></o:p></p>
<p class="MsoNormal">DataMiner Name – <b>Florida NHD</b><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">In March 2015, an updated copy of the Florida portion of the National Hydrography Dataset was downloaded and was prepared for release through DataMiner and MapDirect. For information on where editing took place since the last release, look
at the Supplemental Information in the metadata.<o:p></o:p></p>
<p class="MsoNormal">The database includes a geometric network using the NHD24 NHDFlowline feature class. The Utility Network Analyst tool can be used to trace routes through the network. If you set the results of a trace to be selected features, you can then
open the NHDFlowline attribute table and open the related NHDArea and NHDWaterbody tables to identify the larger waterbodies that interact with the selected route.<o:p></o:p></p>
<p class="MsoNormal">Newer features of the NHD database are:<o:p></o:p></p>
<p class="MsoNormal">• More detailed NHDPointEventFC data displays separate icons for Active-Continuous, Active-Partial, and Inactive stream gages, all of which are hyperlinked to the National Water Information System web interface page for that
point. <o:p></o:p></p>
<p class="MsoNormal">• The Watershed Boundary Dataset (WBD) is now fully attributed, including names, of HUC2 through HUC12 boundaries as polygons. It also includes a new WBD Lines layer symbolized by the lowest common HUC number.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Also, additional in the Florida NHD database distributed by FDEP:<o:p></o:p></p>
<p class="MsoNormal">• An added field in the 24K NHD Flowline feature class to support the analysis of Flowline features. The “Parent_Feature” identifies the feature type of the NHDFlowline itself in all cases except for Artificial Paths. For
Artificial paths, the feature type of the polygon feature it resides in has been used. See process steps for additional information.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This layer is available under the ‘Water’ and ‘WRM’ buttons in DataMiner.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">OTIS/GIS Section.<o:p></o:p></p>
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