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Someone please enlighten me.
 
I've recently been getting questions concerning the Piri Reis
Atlantic map.  This apparently is a Turkish portolan chart dated
1513 that surfaced in the 1920s and purports to show much of the
eastern coast of the Americas.  The map again came to attention in
the mid-1950s through the efforts of an archaeologist named
Arlington Mallery, who claimed that part of the map actually shows
part of the coast of Antarctica before it was covered by ice (!) --
from there to loony stuff about advanced civilizations in the Ice
Age.  This is all discussed extensively in books by Charles Hapgood,
most notably Maps of the Ancient Sea Kings (1966).  This has just
been reissued in paperback.
 
Is anyone out there familiar with this stuff?  I'd appreciate any
information/opinions.  Help me keep a toehold on orthodoxy!
 
Frank Reddy
 GEnie Science Sysop