On April 17, 1970, archaeologists and state officials determined that a majority of the "mystery walls" atop Armstrong Mountain in Fayette County had been destroyed by strip mining.
Learn more:
"Smaller Parts of Mystery Walls Reported Unharmed"
"The Mystery of Armstrong Mountain: Has Prehistoric Site Been Stripped?"
"Walls Tumbled Before Strippers, City Man Vows"
"Was There Actually An Ancient Wall In Fayette?"
"The Old Stone Wall"
"Prehistoric Remains at Mount Carbon"
April 17: Richmond Convention