• Canadian Great Lakes provinces boundaries

    Abstract: This dataset provides provincial boundaries of the Great Lake Canadian provinces. It is derived from the GeoBase series of products.

    Google Earth Keyhole Markup File  ESRI Shape File  Web Mapping Service
  • Great Lakes zebra mussel distribution (2008)

    Abstract: The concern caused by the explosive spread of the zebra mussel, (Dreissena polymorpha), within the United States resulted in passage of the Nonindigenous Aquatic Nuisance Prevention and Control Act of 1990 (P.L. 101-646). The impact of this biofouling ...

    Google Earth Keyhole Markup File  ESRI Shape File  Web Mapping Service

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