Great Lake GIS Shapefile

Example image of 
         Great Lakes shapefile displayed in a GIS viewer

Great Lakes Shapefile

Description: A GIS format containing ice lines that separate areas of different total ice concentration, stage of development with respective ice concentrations, and ice floe size classifications.

Coverage Area: Great Lakes

Format: ZIP compressed, contains: SHP, DBF, SHX, PRJ, XML

Periodicity: Daily

Dissemination: USNIC Website, CIS Website

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