• Great Lakes States Boundaries

    Abstract: States are the primary governmental divisions of the United States. The District of Columbia is treated as a statistical equivalent of a state for decennial census purposes, as are Puerto Rico and the Island Areas: American Samoa, Guam, the Commonwealth ...

    Google Earth Keyhole Markup File  ESRI Shape File  Web Mapping Service
  • Lake Michigan Shoreline

    Abstract: Lake Michigan line file. Linework orgin: ESRI U.S. States (Detailed) represents the fifty states and the District of Columbia of the United States. Edits made by Great Lake GIS.

    Google Earth Keyhole Markup File  ESRI Shape File  Web Mapping Service
  • Hydrologic Unit Boundary(HUC) to the Subwatershed (12-digit) in the Great Lakes Basin

    Abstract: This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the eight US states in the Great Lakes basin (IL, IN, MI, MN, NY, OH, PA, WI). This data set consists of geo-referenced digital data and associated ...

    Google Earth Keyhole Markup File  ESRI Shape File  Web Mapping Service
  • U.S. the 113th Congressional District

    Abstract: The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) ...

    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
  • Eastern Lake Michigan Basin Piping Plover

    Abstract: Other areas of natural resource significance may be documented, depending on the type and extent of resources in the mapped area. These additional areas are not publicly managed nor do they have any special designation, but they have been identified ...

    Google Earth Keyhole Markup File  ESRI Shape File  Web Mapping Service
  • Illinois County Boundaries

    Abstract: TIGER, TIGER/Line, and Census TIGER are registered trademarks of the Bureau of the Census. The Redistricting Census 2000 TIGER/Line files are an extract of selected geographic and cartographic information from the Census TIGER data base. The geographic ...

    Google Earth Keyhole Markup File  ESRI Shape File  Web Mapping Service
  • Michigan County Boundaries

    Abstract: TIGER, TIGER/Line, and Census TIGER are registered trademarks of the Bureau of the Census. The Redistricting Census 2000 TIGER/Line files are an extract of selected geographic and cartographic information from the Census TIGER data base. The geographic ...

    Google Earth Keyhole Markup File  ESRI Shape File  Web Mapping Service
  • Great Lakes Waterbird Survey Sampling Grid

    Abstract: This dataset was developed as part of a two-phase project by the Great Lakes Commission and collaborators, entitled Monitoring and Mapping Avian Resources Over Selected Areas of the Great Lakes and Outreach to Support Related Resource Management (2012-2014). ...

    Google Earth Keyhole Markup File  ESRI Shape File  Web Mapping Service

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