SaraC: good guess or do you have it?

One location is 5168.055 miles from the Wall, the other is 7252.312 miles, Great Circle Route, of course.

Harvey: The sites are concrete as in mortar, although a lot of slide rules (a weapon of math instruction) were used in the making of the events. In fact, they used roomfuls of Computers.

Last edited by Steve C; 10/16/11 09:10 PM. Reason: change title

Verum audaces non gerunt indusia alba. - Ipsi dixit MCMLXXII