[LEAPSECS] An example

[Hal Murray]

> Of course, since dates of the two calendars are generally indistinguishable,

> it's often not clear which version of the date is being reported.  But

> historians are getting better at explicitly labelling the dates.


So are archaeologists.

The early carbon-14 work didn't understand about the influence of solar 
activity on C-14 production.

I gather that recent papers referencing C-14 dates include a reference to 
which of several correction methods are available.  (The corrections came 
from counting tree rings.)



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