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National Hydrography Dataset Plus Version 2
by Tommy Dewald, USEPA Office of Water The National Hydrography Dataset Plus (NHDPlus) is a suite of geospatial products that build upon and extend the capabilities of the NHD (1:100,000 scale) by...
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NHDPlus Announcement!
by Cindy McKay, Horizon Systems Corporation, Member of the EPA/USGS NHDPlus Team A national compilation of the WBD snapshots used to build NHDPlusV2 has been assembled and is posted at:...
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