http://www.sfheart.com/retromap/Javascript/mapindex.html
has been changed and can now be found at

http://www.sfheart.com/retromap/retromap_sixties.html


Your browser should automatically take you there in 10 seconds.
If it doesn't please go to

http://www.sfheart.com/retromap/retromap_sixties.html

Once there, please update your bookmarks to reflect this change.