Many New England communities have within them dirt-covered stone “mounds,” dug into the earth and meticulously lined and covered with stones; some of the stones that cover the tops weigh tons. Some would say they are the remnants of root cellars, but an Ashfield man who for 15 years has studied the ancient stonework thinks otherwise. James E. Vieira, a stonemason, writer and Northeast Antiquities Research Association member, believes there is ample evidence that Ancient America was a melting pot of races from other lands, noting that other parts of the country have ancient stone ruins. He says the mound...