Major Water Regions (MJWTR)
Coordinate system: 4326 - "WGS 84"Abstract:
Major Water Regions represent waterbodies with a heritage significance, or surface area greater than 100sqkm.
Major Water is engineered from a combination of National Topographic Data Base (NTDB) 1:50,000 and 1:250,000 scale hydrographic mapping data.
Note: In 2012, there was a datum change from NAD83 to WGS84.
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