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  GIS Data Sets

 
GREAT LAKES REGION - Basinwide Reference Layers
Regional data sets developed as reference layers for online mapping projects and made available here for direct download. Unlike the datasets made available through the GLINDA Clearinghouse, these files do not yet have full FGDC-compliant metadata. They are .zip archives contain ArcView shapefiles stored using decimal degree coordinates and a .txt file with basic information about the source data.
 
Great Lakes Region State/Provincial Political Boundaries
Geographic boundaries of the U.S. states and Canadian provinces enclosing the Great Lakes-St. Lawrence basin. Scale of the source data varies from 1:100,000 to 1:1,000,000. Download file (1.49MB)

 
Great Lakes Region Watersheds
Watersheds that comprise the drainage basin of the five Great Lakes and the Upper and Central St. Lawrence River, fitted into the political boundary coverage described above. Scale of the source data varies from 1:250,000 to 1:2,000,000. Download file (1.1MB)


 
Great Lakes Region Major Lake Basins
Boundaries of the drainage basins of the five Great Lakes and the St. Lawrence River, assembled from the watershed coverage described above. Scale of the source data varies from 1:250,000 to 1:2,000,000. Download file (523KB)


 

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Updated: September 30, 2014
Maintained by: Stuart Eddy, seddy@glc.org
Selected Photos: Copyright ©John and Ann Mahan
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