Nestled deep within the rollings hills of Vermont at an unsuspecting pullout on Route 106, stands a granite slab not terribly different from those used as headstones. What makes these commemorative stones so special is their engravings that shed a fascinating light on some of the region’s history. In 1754, a group of Abenaki Native Americans attacked Fort No. 4 in Charlestown, New Hampshire during the French and Indian War. Taking a small group of prisoners, including Captain James Johnson and his wife Susannah, the Abenakis began heading back to…