Greenlawn Cemetery, Chapel, and Greenhouse. Under this chapel 4 tunnels meet. One heading out to Orne’s Point where the Widow Orne sold bricks to keep her property to be used to create the tunnels in Salem. Her kin Secretary of State Timothy Pickering bought 40,000 bricks from her in one order when a house only needed 8,000 bricks.
For more info read Sub Rosa by Chris Dowgin available at Remember Salem, Jolie Tea, Wicked Good Books, Barnes & Noble, and Amazon.com.