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123 datasets found
  • State

    Line - Large Scale

    State of Oregon —

    The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's...
  • County

    HydroPoly

    Cook County of Illinois —

    The Lakes and Rivers hydrographic polygon data layer was created to accurately depict the location and shape of flowing water features greater than five feet in width...
  • County

    ccgisdata - Rivers and Streams

    Cook County of Illinois —

    The Rivers and Streams data set represents, as a single line, the interpreted midline of flowing water features as seen on the aerial photography.
123 datasets found

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