The phrase "and eventually unearthed a" is correct and usable in written English.
It can be used when describing the process of discovering or revealing something over time, often in a context related to research, archaeology, or investigation.
Example: "After years of digging through archives, the historian and eventually unearthed a long-lost manuscript."
Alternatives: "and ultimately discovered a" or "and finally revealed a".
Like many people who eventually unearth a passion for geology, Chris Andronicos's career began in a much different discipline: physics.
Buried deep within the bowels of Amazon's Marketplace messaging interface I eventually unearth a failed delivery message, which suggests an attempted delivery was made on December 7, after which the delivery company wrote that it would try again the following day.
Eventually, I unearthed a story that helped me to understand what the thing was, but the fact of his death was close to unbearable.
She read every notebook and diary and unearthed a staggering number of Highsmith's lovers.
We would never have known, through the Pentagon Papers, that our government had lied about the reasons for escalating the war in Vietnam; we would never have known the truth about, and the extent of, the Iran-contra affair; and had it not been for a curious night watchman, it almost certainly would have been the conspiracy theorists who eventually unearthed the truth about Watergate.
It nearly didn't come to be —McKenna and Clarke had been on a massive quest for what they heard were millions of feet of film from the "Le Mans" set, chasing down tips from Russia to New Jersey before eventually unearthing it below a Hollywood sound stage.
Research in the wake of Kahneman and Tversky has unearthed a number of conundrums around choice.
A stash of letters written by a secret girlfriend and unearthed a century later is a tantalizing discovery.
Consumer Reports recently looked at this issue and unearthed a challenge for large issuers.
Carlyle set out to get to the bottom of the story, eventually unearthing the official report of Vengeur's captain, Renaudin.
