Exactly. Have heard many story's about those boards
Certain things you shouldn't mess with.. grave yards is another. I have a friend in CA whose brother owns a home on the site of an old Indian graveyard. Every single home in his tract has had very strange things going on... so much so a lot of people abandoned their homes.
“The time is now near at hand which must probably determine, whether Americans are to be, Freemen, or Slaves.” G Washington July 2, 1776