Kea IV
Kea Four was the fourth planet in its star system. There was an archaeological excavation on this planet. 

In 2368, Captain Jean-Luc Picard was a speaker at an archaeological symposium. He wrote a paper about the Kea Four excavation, which he read to an audience at the symposium. ()

A section of dialogue was cut from the episode in which Jean-Luc Picard and  were talking about the symposium. 
Unused production material