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1 dataset found for ""Drainage Systems""
  • Federal

    NHD Levee Centerlines, EPA Region 9, 2011, NHD

    U.S. Environmental Protection Agency —

    This line feature class contains levee centerlines for EPA Region 9. The National Hydrography Dataset (NHD) is a feature-based database that interconnects and...
1 dataset found for ""Drainage Systems""

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