skepticism is a good attitude when looking to some interpretation about unexplained question about theQuote
I am skeptical of this find. In general inconclusive and no follow up has been made in 7rs.
very very far away past.
The article of NG, as well as Others appearde more or lesse in same period, are just a brief and redondand
summary of such "discovery".
Personally on 2010 I read the Whole work of Thomas F. Strasser which link I provide.
Being a bit of headhache assured, it show how accurate it was and reading the conclusion it clearly appears why
he started to excavate and why, at the end of excavations he arrived at that.
About the follow up, we do not know if he or someone else could not (or could ida) went on.
If not may be lack of founds is the main reason.
You can not solve a problem with the same kind of thinking that you used to create it.