Alaska Series E
Last modified August 3, 2007
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This projection was developed in 1972 by the USGS to publish a map of Alaska at 1:2,500,000 scale.
Approximates Equidistant Conic, although it is commonly referred to as a Modified Transverse Mercator.
Learn more about the Equidistant Conic projection
The standard parallels at 53°30' N and 66°05'24" N.
The meridians are straight lines radiating from a center point. The parallels closely approximate concentric circular arcs.
This projection is appropriate for mapping Alaska, the Aleutian Islands, and the Bering Sea region only.
1972 USGS revision of a 1954 Alaska map that published at 1:2,500,000 scale.
1974 map of the Aleutian Islands and the Bering Sea was published.
Projection-specific parameters are set by the software.